Trace number 195681

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 0.234963 0.237351

DiagnosticValue
CHECKS1212760
NODES200

General information on the benchmark

Namerlfap/rlfapGraphs/
graph3.xml
MD5SUMf0c949ffa0da092754c2bc905a431545
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 benchmark0.418935
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables200
Number of constraints1134
Maximum constraint arity2
Maximum domain size44
Number of constraints which are defined in extension0
Number of constraints which are defined in intension1134
Global constraints used (with number of constraints)

Solver Data (download as text)

0.23	s SATISFIABLE
0.23	v 100 338 142 380 142 380 142 380 142 380 142 380 58 296 114 352 114 352 58 296 16 254 86 324 666 428 100 338 114 352 128 366 44 282 142 380 72 310 16 254 16 254 86 324 58 296 86 324 30 268 128 366 142 380 44 282 86 324 114 352 30 268 16 254 58 296 100 338 30 268 142 380 142 380 58 296 44 282 16 254 86 324 30 268 16 254 16 254 72 310 16 254 30 268 142 380 30 268 44 282 16 254 142 380 86 324 100 338 142 380 16 254 750 512 58 296 142 380 44 282 114 352 750 512 86 324 72 310 652 414 142 380 72 310 142 380 114 352 86 324 100 338 58 296 30 268 72 310 72 310 44 282 16 254 86 324 736 498 58 296 72 310 652 414 86 324 16 254 128 366 128 366 708 470 652 414 44 282 72 310 114 352 86 324 142 380 58 296 30 268 16 254 58 296 44 282 128 366 30 268 
0.23	d CHECKS 1.21276e+06
0.23	d NODES 200
0.23

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/node48/watcher-195681-1168113369 -o ROOT/results/node48/solver-195681-1168113369 -C 1800 -M 900 /tmp/evaluation/195681-1168113369/VALCSP /tmp/evaluation/195681-1168113369/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: 0.68 1.38 1.70 6/73 10512
/proc/meminfo: memFree=1567840/2055920 swapFree=4192812/4192956
[pid=10511] ppid=10506 vsize=2920 CPUtime=0.01
/proc/10511/stat : 10511 (VALCSP) R 10506 10511 10396 0 -1 4194304 462 0 0 0 1 0 0 0 20 0 1 0 159735954 2990080 440 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 3966587 0 0 4096 0 0 0 0 17 0 0 0
/proc/10511/statm: 730 440 64 8 0 402 0

[startup+0.105456 s]
/proc/loadavg: 0.68 1.38 1.70 6/73 10512
/proc/meminfo: memFree=1567840/2055920 swapFree=4192812/4192956
[pid=10511] ppid=10506 vsize=5956 CPUtime=0.09
/proc/10511/stat : 10511 (VALCSP) R 10506 10511 10396 0 -1 4194304 1246 0 0 0 9 0 0 0 21 0 1 0 159735954 6098944 1224 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134531008 0 0 4096 0 0 0 0 17 0 0 0
/proc/10511/statm: 1489 1224 64 8 0 1161 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5956

Child status: 0
Real time (s): 0.237351
CPU time (s): 0.234963
CPU user time (s): 0.219966
CPU system time (s): 0.014997
CPU usage (%): 98.9939
Max. virtual memory (cumulated for all children) (KiB): 9916

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.219966
system time used= 0.014997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2413
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= 7
involuntary context switches= 5

runsolver used 0.002999 s user time and 0.006998 s system time

The end

Launcher Data (download as text)

Begin job on node48 on Sat Jan  6 19:56:11 UTC 2007


IDJOB= 195681
IDBENCH= 3294
FILE ID= node48/195681-1168113369

PBS_JOBID= 3477408

Free space on /tmp= 66559 MiB

BENCH NAME= HOME/pub/bench/CPAI06/rlfap/rlfapGraphs/graph3.xml
COMMAND LINE= /tmp/evaluation/195681-1168113369/VALCSP /tmp/evaluation/195681-1168113369/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node48/watcher-195681-1168113369 -o ROOT/results/node48/solver-195681-1168113369 -C 1800 -M 900  /tmp/evaluation/195681-1168113369/VALCSP /tmp/evaluation/195681-1168113369/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  f0c949ffa0da092754c2bc905a431545

RANDOM SEED= 649420303

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		: 3000.218
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		: 3000.218
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:       1569440 kB
Buffers:         41608 kB
Cached:         352248 kB
SwapCached:          0 kB
Active:         102360 kB
Inactive:       311572 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1569440 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3092 kB
Writeback:           0 kB
Mapped:          30284 kB
Slab:            58276 kB
Committed_AS:  3271592 kB
PageTables:       1620 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= 66559 MiB



End job on node48 on Sat Jan  6 19:56:15 UTC 2007