Trace number 201823

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
VALCSP 3.0SAT 0.852869 0.858773

DiagnosticValue
CHECKS3465070
NODES680

General information on the benchmark

Namerlfap/rlfapScens/
scen4.xml
MD5SUMafb58b45dd9d54483110636626f76060
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 benchmark1.20781
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables680
Number of constraints3967
Maximum constraint arity2
Maximum domain size44
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3967
Global constraints used (with number of constraints)

Solver Data (download as text)

0.85	s SATISFIABLE
0.85	v 680 442 254 16 680 442 16 254 16 254 268 30 30 268 708 470 128 366 352 114 750 512 414 652 16 254 652 414 526 764 254 16 442 680 114 352 16 254 16 254 708 470 142 380 652 414 72 310 338 100 16 254 778 540 72 310 156 394 142 380 526 764 86 324 338 100 722 484 554 792 254 16 652 414 540 778 540 778 86 324 114 352 128 366 44 282 86 324 470 708 268 30 128 366 16 254 414 652 254 16 512 750 652 414 254 16 498 736 470 708 86 324 254 16 666 428 268 30 128 366 750 512 16 254 16 254 666 428 414 652 750 512 652 414 30 268 254 16 764 526 16 254 16 254 484 722 736 498 512 750 366 128 652 414 414 652 498 736 170 408 554 792 16 254 526 764 380 142 16 254 442 680 792 554 366 128 708 470 470 708 652 414 254 16 394 156 254 16 142 380 142 380 338 100 352 114 736 498 764 526 484 722 750 512 526 764 526 764 352 114 72 310 442 680 30 268 30 268 44 282 428 666 268 30 268 30 498 736 352 114 428 666 736 498 254 16 736 498 666 428 750 512 526 764 30 268 324 86 324 86 428 666 254 16 680 442 114 352 750 512 352 114 694 456 442 680 268 30 428 666 268 30 428 666 338 100 428 666 666 428 324 86 86 324 414 652 30 268 526 764 750 512 652 414 652 414 666 428 30 268 338 100 498 736 268 30 128 366 428 666 254 16 764 526 428 666 512 750 470 708 512 750 652 414 512 750 526 764 666 428 16 254 338 100 100 338 268 30 338 100 680 442 268 30 254 16 254 16 414 652 666 428 736 498 324 86 414 652 324 86 268 30 16 254 142 380 652 414 352 114 456 694 268 30 366 128 142 380 694 456 268 30 750 512 30 268 428 666 722 484 792 554 414 652 484 722 666 428 764 526 380 142 652 414 764 526 128 366 352 114 512 750 526 764 778 540 86 324 680 442 512 750 470 708 128 366 526 764 470 708 30 268 142 380 778 540 428 666 268 30 268 30 666 428 30 268 428 666 128 366 254 16 296 58 30 268 72 310 254 16 470 708 428 666 58 296 324 86 16 254 394 156 338 100 484 722 30 268 100 338 428 666 30 268 428 666 30 268 512 750 30 268 484 722 16 254 652 414 16 254 142 380 16 254 16 254 666 428 338 100 778 540 736 498 526 764 526 764 722 484 470 708 268 30 666 428 792 554 30 268 30 268 708 470 512 750 114 352 484 722 428 666 498 736 268 30 30 268 526 764 652 414 324 86 666 428 380 142 694 456 268 30 268 30 72 310 30 268 722 484 268 30 498 736 666 428 268 30 680 442 750 512 512 750 428 666 114 352 254 16 470 708 72 310 456 694 324 86 666 428 736 498 268 30 512 750 16 254 254 16 442 680 114 352 512 750 310 72 512 750 16 254 512 750 324 86 310 72 736 498 736 498 414 652 324 86 428 666 652 414 526 764 72 310 736 498 512 750 30 268 30 268 268 30 666 428 428 666 498 736 30 268 310 72 366 128 30 268 666 428 16 254 254 16 268 30 428 666 16 254 
0.85	d CHECKS 3.46507e+06
0.85	d NODES 680
0.85

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/node35/watcher-201823-1168149947 -o ROOT/results/node35/solver-201823-1168149947 -C 1800 -M 900 /tmp/evaluation/201823-1168149947/VALCSP /tmp/evaluation/201823-1168149947/unknown.xml 

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: 1.86 1.97 1.96 5/73 4155
/proc/meminfo: memFree=1676880/2055920 swapFree=4191892/4192956
[pid=4154] ppid=4152 vsize=1384 CPUtime=0
/proc/4154/stat : 4154 (VALCSP) R 4152 4154 2744 0 -1 4194304 54 0 0 0 0 0 0 0 20 0 1 0 163388500 1417216 39 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 1406227 0 0 4096 0 0 0 0 17 1 0 0
/proc/4154/statm: 346 39 31 8 0 6 0

[startup+0.10417 s]
/proc/loadavg: 1.86 1.97 1.96 5/73 4155
/proc/meminfo: memFree=1676880/2055920 swapFree=4191892/4192956
[pid=4154] ppid=4152 vsize=10904 CPUtime=0.09
/proc/4154/stat : 4154 (VALCSP) R 4152 4154 2744 0 -1 4194304 2470 0 0 0 8 1 0 0 20 0 1 0 163388500 11165696 2448 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530193 0 0 4096 0 0 0 0 17 1 0 0
/proc/4154/statm: 2726 2448 64 8 0 2398 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10904

[startup+0.512221 s]
/proc/loadavg: 1.86 1.97 1.96 5/73 4155
/proc/meminfo: memFree=1676880/2055920 swapFree=4191892/4192956
[pid=4154] ppid=4152 vsize=26408 CPUtime=0.5
/proc/4154/stat : 4154 (VALCSP) R 4152 4154 2744 0 -1 4194304 6352 0 0 0 47 3 0 0 24 0 1 0 163388500 27041792 6330 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530305 0 0 4096 0 0 0 0 17 1 0 0
/proc/4154/statm: 6602 6330 64 8 0 6274 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 26408

Child status: 0
Real time (s): 0.858773
CPU time (s): 0.852869
CPU user time (s): 0.791879
CPU system time (s): 0.06099
CPU usage (%): 99.3125
Max. virtual memory (cumulated for all children) (KiB): 39656

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.791879
system time used= 0.06099
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9687
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= 8
involuntary context switches= 21

runsolver used 0.001999 s user time and 0.005999 s system time

The end

Launcher Data (download as text)

Begin job on node35 on Sun Jan  7 06:05:49 UTC 2007


IDJOB= 201823
IDBENCH= 3786
FILE ID= node35/201823-1168149947

PBS_JOBID= 3478138

Free space on /tmp= 66554 MiB

BENCH NAME= HOME/pub/bench/CPAI06/rlfap/rlfapScens/scen4.xml
COMMAND LINE= /tmp/evaluation/201823-1168149947/VALCSP /tmp/evaluation/201823-1168149947/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node35/watcher-201823-1168149947 -o ROOT/results/node35/solver-201823-1168149947 -C 1800 -M 900  /tmp/evaluation/201823-1168149947/VALCSP /tmp/evaluation/201823-1168149947/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  afb58b45dd9d54483110636626f76060

RANDOM SEED= 725133773

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		: 3000.234
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		: 3000.234
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:       1677360 kB
Buffers:         19064 kB
Cached:         239204 kB
SwapCached:        268 kB
Active:         170524 kB
Inactive:       152336 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1677360 kB
SwapTotal:     4192956 kB
SwapFree:      4191892 kB
Dirty:             700 kB
Writeback:           0 kB
Mapped:          76936 kB
Slab:            40904 kB
Committed_AS:  3507328 kB
PageTables:       1940 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= 66554 MiB



End job on node35 on Sun Jan  7 06:05:49 UTC 2007