Trace number 195219

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 2006-12-04UNSAT 1.36579 1.38993

General information on the benchmark

Namerlfap/rlfapGraphsMod/
graph8-f11.xml
MD5SUM7600a48fb1f239d7afdd4cd69db83b49
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.15982
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables680
Number of constraints3757
Maximum constraint arity2
Maximum domain size33
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3757
Global constraints used (with number of constraints)

Solver Data (download as text)

0.22	c 
0.22	c Parsing xml file
0.22	c 	domains...............    0
0.22	c 	variables............. 0.03
0.22	c 	predicates............    0
0.22	c 	constraints........... 0.23
0.28	c Allocating memory
0.28	c 
0.28	c time limit = -1
0.28	c heuristic = dom/wdeg
0.28	c restart policy = No restart
0.28	c 
0.28	c Solving
0.28	c
1.08	s UNSATISFIABLE
1.08	d        UNSAT       183 BTS      0.31 s

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node17/watcher-195219-1168112361 -o ROOT/results/node17/solver-195219-1168112361 -C 1800 -M 900 /tmp/evaluation/195219-1168112361/mistral/bin/solver /tmp/evaluation/195219-1168112361/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: 1.95 2.01 1.99 5/87 24649
/proc/meminfo: memFree=1449304/2055920 swapFree=4192812/4192956
[pid=24648] ppid=24646 vsize=540 CPUtime=0
/proc/24648/stat : 24648 (solver) R 24646 24648 24346 0 -1 4194304 41 0 0 0 0 0 0 0 19 0 1 0 159631058 552960 26 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 2859812 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/24648/statm: 135 26 21 92 0 18 0

[startup+0.106925 s]
/proc/loadavg: 1.95 2.01 1.99 5/87 24649
/proc/meminfo: memFree=1449304/2055920 swapFree=4192812/4192956
[pid=24648] ppid=24646 vsize=10348 CPUtime=0.09
/proc/24648/stat : 24648 (solver) R 24646 24648 24346 0 -1 4194304 1655 0 0 0 8 1 0 0 18 0 1 0 159631058 10596352 1623 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 4158609623 0 0 4096 0 0 0 0 17 1 0 0
/proc/24648/statm: 2587 1623 708 92 0 931 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10348

[startup+0.514971 s]
/proc/loadavg: 1.95 2.01 1.99 5/87 24649
/proc/meminfo: memFree=1449304/2055920 swapFree=4192812/4192956
[pid=24648] ppid=24646 vsize=46648 CPUtime=0.5
/proc/24648/stat : 24648 (solver) R 24646 24648 24346 0 -1 4194304 10755 0 0 0 44 6 0 0 21 0 1 0 159631058 47767552 10723 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 3294843 0 0 4096 0 0 0 0 17 1 0 0
/proc/24648/statm: 11662 10723 715 92 0 10006 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 46648

[startup+1.33607 s]
/proc/loadavg: 1.95 2.01 1.99 3/87 24649
/proc/meminfo: memFree=1369176/2055920 swapFree=4192812/4192956
[pid=24648] ppid=24646 vsize=86380 CPUtime=1.3
/proc/24648/stat : 24648 (solver) R 24646 24648 24346 0 -1 4194304 20691 0 0 0 118 12 0 0 25 0 1 0 159631058 88453120 20659 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 3289157 0 0 4096 0 0 0 0 17 1 0 0
/proc/24648/statm: 21595 20659 720 92 0 19939 0
Current children cumulated CPU time (s) 1.3
Current children cumulated vsize (KiB) 86380

Child status: 0
Real time (s): 1.38993
CPU time (s): 1.36579
CPU user time (s): 1.22881
CPU system time (s): 0.136979
CPU usage (%): 98.2633
Max. virtual memory (cumulated for all children) (KiB): 86380

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.22881
system time used= 0.136979
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20698
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= 43

runsolver used 0.001999 s user time and 0.014997 s system time

The end

Launcher Data (download as text)

Begin job on node17 on Sat Jan  6 19:39:22 UTC 2007


IDJOB= 195219
IDBENCH= 3255
FILE ID= node17/195219-1168112361

PBS_JOBID= 3477095

Free space on /tmp= 66314 MiB

BENCH NAME= HOME/pub/bench/CPAI06/rlfap/rlfapGraphsMod/graph8-f11.xml
COMMAND LINE= /tmp/evaluation/195219-1168112361/mistral/bin/solver /tmp/evaluation/195219-1168112361/unknown.xml -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node17/watcher-195219-1168112361 -o ROOT/results/node17/solver-195219-1168112361 -C 1800 -M 900  /tmp/evaluation/195219-1168112361/mistral/bin/solver /tmp/evaluation/195219-1168112361/unknown.xml -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  7600a48fb1f239d7afdd4cd69db83b49

RANDOM SEED= 593102993

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		: 3000.236
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		: 3000.236
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:       1449784 kB
Buffers:         46316 kB
Cached:         295928 kB
SwapCached:          0 kB
Active:         313912 kB
Inactive:       200620 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1449784 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3444 kB
Writeback:           0 kB
Mapped:         192332 kB
Slab:            76292 kB
Committed_AS:  4109892 kB
PageTables:       2480 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= 66314 MiB



End job on node17 on Sat Jan  6 19:39:25 UTC 2007