Trace number 240338

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 0.617905 0.627845

DiagnosticValue
CHECKS8203860
NODES31280

General information on the benchmark

Nameqcp-qwh/QWH-15/
qwh-15-106-1_ext.xml
MD5SUM7322c53585591128f0e651c01e9887eb
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.181971
SatisfiableYES
(Un)Satisfiability was proved
Number of variables225
Number of constraints3150
Maximum constraint arity2
Maximum domain size15
Number of constraints which are defined in extension3150
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.62	s SATISFIABLE
0.62	v 8 5 7 6 1 14 10 2 12 0 3 9 4 11 13 14 10 12 11 9 4 13 1 8 2 0 6 7 5 3 3 14 9 12 2 5 0 10 7 11 4 13 1 6 8 2 7 5 3 12 1 11 4 10 8 9 0 13 14 6 6 1 10 5 0 13 12 9 3 7 11 8 2 4 14 4 3 1 14 11 10 6 7 13 12 5 2 8 9 0 0 8 11 9 7 12 4 3 2 1 14 10 6 13 5 13 12 4 7 5 9 2 14 1 3 6 11 0 8 10 11 4 2 8 3 6 5 13 14 9 7 12 10 0 1 1 9 3 4 13 0 8 6 5 10 2 14 12 7 11 10 2 13 0 6 11 7 8 4 14 1 5 3 12 9 7 13 14 1 10 2 9 0 6 5 8 4 11 3 12 12 11 8 10 4 3 14 5 0 6 13 1 9 2 7 5 0 6 2 8 7 1 11 9 13 12 3 14 10 4 9 6 0 13 14 8 3 12 11 4 10 7 5 1 2 
0.62	d CHECKS 8.20386e+06
0.62	d NODES 31280
0.62

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/node16/watcher-240338-1168373049 -o ROOT/results/node16/solver-240338-1168373049 -C 1800 -M 900 /tmp/evaluation/240338-1168373049/VALCSP /tmp/evaluation/240338-1168373049/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: 1.03 1.52 1.81 5/87 29559
/proc/meminfo: memFree=1728504/2055920 swapFree=4191880/4192956
[pid=29558] ppid=29556 vsize=2128 CPUtime=0
/proc/29558/stat : 29558 (VALCSP) R 29556 29558 27943 0 -1 4194304 267 0 0 0 0 0 0 0 20 0 1 0 185699774 2179072 245 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 7666806 0 0 4096 0 0 0 0 17 1 0 0
/proc/29558/statm: 532 245 62 8 0 204 0

[startup+0.105958 s]
/proc/loadavg: 1.03 1.52 1.81 5/87 29559
/proc/meminfo: memFree=1728504/2055920 swapFree=4191880/4192956
[pid=29558] ppid=29556 vsize=5188 CPUtime=0.09
/proc/29558/stat : 29558 (VALCSP) R 29556 29558 27943 0 -1 4194304 1046 0 0 0 9 0 0 0 20 0 1 0 185699774 5312512 1024 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134520850 0 0 4096 0 0 0 0 17 1 0 0
/proc/29558/statm: 1297 1024 65 8 0 969 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5188

[startup+0.517874 s]
/proc/loadavg: 1.03 1.52 1.81 5/87 29559
/proc/meminfo: memFree=1728504/2055920 swapFree=4191880/4192956
[pid=29558] ppid=29556 vsize=5188 CPUtime=0.51
/proc/29558/stat : 29558 (VALCSP) R 29556 29558 27943 0 -1 4194304 1046 0 0 0 51 0 0 0 24 0 1 0 185699774 5312512 1024 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134524658 0 0 4096 0 0 0 0 17 1 0 0
/proc/29558/statm: 1297 1024 65 8 0 969 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 5188

Child status: 0
Real time (s): 0.627845
CPU time (s): 0.617905
CPU user time (s): 0.616906
CPU system time (s): 0.000999
CPU usage (%): 98.4168
Max. virtual memory (cumulated for all children) (KiB): 5188

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.616906
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1076
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= 23

runsolver used 0.005999 s user time and 0.007998 s system time

The end

Launcher Data (download as text)

Begin job on node16 on Tue Jan  9 20:04:09 UTC 2007


IDJOB= 240338
IDBENCH= 7122
FILE ID= node16/240338-1168373049

PBS_JOBID= 3522030

Free space on /tmp= 66521 MiB

BENCH NAME= HOME/pub/bench/CPAI06/qcp-qwh/QWH-15/qwh-15-106-1_ext.xml
COMMAND LINE= /tmp/evaluation/240338-1168373049/VALCSP /tmp/evaluation/240338-1168373049/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node16/watcher-240338-1168373049 -o ROOT/results/node16/solver-240338-1168373049 -C 1800 -M 900  /tmp/evaluation/240338-1168373049/VALCSP /tmp/evaluation/240338-1168373049/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  7322c53585591128f0e651c01e9887eb

RANDOM SEED= 763082828

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		: 3000.220
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		: 3000.220
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:       1728984 kB
Buffers:         53440 kB
Cached:         167928 kB
SwapCached:        448 kB
Active:         187416 kB
Inactive:        87132 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1728984 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            2088 kB
Writeback:           0 kB
Mapped:          72696 kB
Slab:            37176 kB
Committed_AS:  5454108 kB
PageTables:       2340 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= 66521 MiB



End job on node16 on Tue Jan  9 20:04:10 UTC 2007