Trace number 196480

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, and are wall clock time (not CPU 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
Mistral 2006-12-04SAT 9.50055 9.596

General information on the benchmark

Namefapp/fapp06-10/fapp09/
fapp09-0800-10.xml
MD5SUM14243a3bcad0fe54609833fad37c27fb
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 benchmark4.02839
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables800
Number of constraints8975
Maximum constraint arity2
Maximum domain size350
Number of constraints which are defined in extension0
Number of constraints which are defined in intension8975
Global constraints used (with number of constraints)

Solver Data (download as text)

0.10	c 
0.10	c Parsing xml file
0.10	c 	domains............... 0.05
0.10	c 	variables............. 0.03
0.10	c 	predicates............    0
0.10	c 	constraints........... 0.67
0.76	c Allocating memory
0.76	c 
0.76	c time limit = -1
0.76	c heuristic = dom/wdeg
0.76	c restart policy = No restart
0.76	c 
0.76	c Solving
0.76	c
9.56	s SATISFIABLE
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9.57	d          SAT         1 BTS       8.7 s

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node2/watcher-196480-1168123666 -o ROOT/results/node2/solver-196480-1168123666 -C 1800 -M 900 /tmp/evaluation/196480-1168123666/mistral/bin/solver /tmp/evaluation/196480-1168123666/unknown.xml -v 1 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 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

/proc/loadavg: 2.18 2.04 2.01 4/94 18090
/proc/meminfo: memFree=1752160/2055920 swapFree=4191880/4192956
[pid=18089] ppid=18087 vsize=18540 CPUtime=0
/proc/18089/stat : 18089 (runsolver) R 18087 18089 17774 0 -1 4194368 16 0 0 0 0 0 0 0 21 0 1 0 160762321 18984960 279 18446744073709551615 4194304 4267372 548682069040 18446744073709551615 206381313319 0 0 4096 24578 0 0 0 17 1 0 0
/proc/18089/statm: 4635 279 244 17 0 2626 0

[startup+0.108516 s]
/proc/loadavg: 2.18 2.04 2.01 4/94 18090
/proc/meminfo: memFree=1752160/2055920 swapFree=4191880/4192956
[pid=18089] ppid=18087 vsize=40240 CPUtime=0.09
/proc/18089/stat : 18089 (solver) R 18087 18089 17774 0 -1 4194304 3613 0 0 0 8 1 0 0 21 0 1 0 160762321 41205760 3581 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 4158469514 0 0 4096 0 0 0 0 17 1 0 0
/proc/18089/statm: 10060 3581 708 92 0 8404 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 40240

[startup+0.516591 s]
/proc/loadavg: 2.18 2.04 2.01 4/94 18090
/proc/meminfo: memFree=1752160/2055920 swapFree=4191880/4192956
[pid=18089] ppid=18087 vsize=42484 CPUtime=0.5
/proc/18089/stat : 18089 (solver) R 18087 18089 17774 0 -1 4194304 4158 0 0 0 48 2 0 0 25 0 1 0 160762321 43503616 4126 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 4157853703 0 0 4096 0 0 0 0 17 1 0 0
/proc/18089/statm: 10621 4126 708 92 0 8965 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 42484

[startup+1.33774 s]
/proc/loadavg: 2.16 2.04 2.01 3/94 18090
/proc/meminfo: memFree=1735136/2055920 swapFree=4191880/4192956
[pid=18089] ppid=18087 vsize=45684 CPUtime=1.31
/proc/18089/stat : 18089 (solver) R 18087 18089 17774 0 -1 4194304 4975 0 0 0 129 2 0 0 25 0 1 0 160762321 46780416 4943 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134722038 0 0 4096 0 0 0 0 17 1 0 0
/proc/18089/statm: 11421 4943 717 92 0 9765 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 45684

[startup+2.98105 s]
/proc/loadavg: 2.16 2.04 2.01 3/94 18090
/proc/meminfo: memFree=1735008/2055920 swapFree=4191880/4192956
[pid=18089] ppid=18087 vsize=45684 CPUtime=2.93
/proc/18089/stat : 18089 (solver) R 18087 18089 17774 0 -1 4194304 4975 0 0 0 291 2 0 0 25 0 1 0 160762321 46780416 4943 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134727366 0 0 4096 0 0 0 0 17 1 0 0
/proc/18089/statm: 11421 4943 717 92 0 9765 0
Current children cumulated CPU time (s) 2.93
Current children cumulated vsize (KiB) 45684

[startup+6.26065 s]
/proc/loadavg: 2.15 2.04 2.01 3/94 18090
/proc/meminfo: memFree=1735008/2055920 swapFree=4191880/4192956
[pid=18089] ppid=18087 vsize=45692 CPUtime=6.19
/proc/18089/stat : 18089 (solver) R 18087 18089 17774 0 -1 4194304 4977 0 0 0 616 3 0 0 25 0 1 0 160762321 46788608 4945 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134711407 0 0 4096 0 0 0 0 17 1 0 0
/proc/18089/statm: 11423 4945 717 92 0 9767 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 45692

Child status: 0
Real time (s): 9.596
CPU time (s): 9.50055
CPU user time (s): 9.46556
CPU system time (s): 0.034994
CPU usage (%): 99.0054
Max. virtual memory (cumulated for all children) (KiB): 45716

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.46556
system time used= 0.034994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4995
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= 13
involuntary context switches= 409

runsolver used 0.019996 s user time and 0.029995 s system time

The end

Launcher Data (download as text)

Begin job on node2 on Sat Jan  6 22:47:47 UTC 2007


IDJOB= 196480
IDBENCH= 3353
FILE ID= node2/196480-1168123666

PBS_JOBID= 3477173

Free space on /tmp= 66320 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp06-10/fapp09/fapp09-0800-10.xml
COMMAND LINE= /tmp/evaluation/196480-1168123666/mistral/bin/solver /tmp/evaluation/196480-1168123666/unknown.xml -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-196480-1168123666 -o ROOT/results/node2/solver-196480-1168123666 -C 1800 -M 900  /tmp/evaluation/196480-1168123666/mistral/bin/solver /tmp/evaluation/196480-1168123666/unknown.xml -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  14243a3bcad0fe54609833fad37c27fb

RANDOM SEED= 316001592

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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		: 3000.259
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	: 5931.00
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		: 3000.259
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:       1752640 kB
Buffers:         45688 kB
Cached:         106660 kB
SwapCached:        448 kB
Active:         161700 kB
Inactive:        85028 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1752640 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            4280 kB
Writeback:           0 kB
Mapped:         120000 kB
Slab:            40892 kB
Committed_AS:  3736036 kB
PageTables:       2540 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= 66320 MiB



End job on node2 on Sat Jan  6 22:47:56 UTC 2007