Trace number 199222

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
Tramontane 2006-12-04UNSAT 226.213 228.156

General information on the benchmark

Nameknights/
knights-25-9.xml
MD5SUMff6db571c9963ef273115b40e7595a31
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 benchmark2.28265
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables9
Number of constraints36
Maximum constraint arity2
Maximum domain size625
Number of constraints which are defined in extension0
Number of constraints which are defined in intension36
Global constraints used (with number of constraints)

Solver Data (download as text)

0.20	c 
0.20	c Parsing xml file
0.20	c 	domains...............    0
0.20	c 	variables.............    0
0.20	c 	predicates............    0
0.20	c 	constraints...........    0
0.20	c Allocating memory
0.20	c 
0.20	c time limit = -1
0.20	c heuristic = dom/wdeg
0.20	c restart policy = Geometric increment
0.20	c restart base = 5
0.20	c restart factor = 1.33
0.20	c 
0.20	c Solving
0.20	c
228.15	s UNSATISFIABLE
228.15	d        UNSAT       913 BTS   2.3e+02 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/node2/watcher-199222-1168133027 -o ROOT/results/node2/solver-199222-1168133027 -C 1800 -M 900 /tmp/evaluation/199222-1168133027/tramontane/bin/solver /tmp/evaluation/199222-1168133027/unknown.xml -res geom -f 3 -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: 1.99 1.95 1.93 5/94 25999
/proc/meminfo: memFree=1335968/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=18540 CPUtime=0
/proc/25998/stat : 25998 (runsolver) R 25996 25998 24826 0 -1 4194368 16 0 0 0 0 0 0 0 20 0 1 0 161698397 18984960 279 18446744073709551615 4194304 4267372 548682068992 18446744073709551615 206381313319 0 0 4096 24578 0 0 0 17 1 0 0
/proc/25998/statm: 4635 279 244 17 0 2626 0

[startup+0.108696 s]
/proc/loadavg: 1.99 1.95 1.93 5/94 25999
/proc/meminfo: memFree=1335968/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=7312 CPUtime=0.09
/proc/25998/stat : 25998 (solver) R 25996 25998 24826 0 -1 4194304 898 0 0 0 9 0 0 0 18 0 1 0 161698397 7487488 866 18446744073709551615 134512640 134893233 4294956640 18446744073709551615 134722224 0 0 4096 0 0 0 0 17 1 0 0
/proc/25998/statm: 1828 866 715 92 0 172 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7312

[startup+0.516767 s]
/proc/loadavg: 1.99 1.95 1.93 5/94 25999
/proc/meminfo: memFree=1335968/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=7312 CPUtime=0.5
/proc/25998/stat : 25998 (solver) R 25996 25998 24826 0 -1 4194304 898 0 0 0 50 0 0 0 22 0 1 0 161698397 7487488 866 18446744073709551615 134512640 134893233 4294956640 18446744073709551615 134710675 0 0 4096 0 0 0 0 17 1 0 0
/proc/25998/statm: 1828 866 715 92 0 172 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 7312

[startup+1.33792 s]
/proc/loadavg: 1.99 1.95 1.93 3/94 25999
/proc/meminfo: memFree=1335328/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=7312 CPUtime=1.31
/proc/25998/stat : 25998 (solver) R 25996 25998 24826 0 -1 4194304 898 0 0 0 131 0 0 0 25 0 1 0 161698397 7487488 866 18446744073709551615 134512640 134893233 4294956640 18446744073709551615 134638398 0 0 4096 0 0 0 0 17 1 0 0
/proc/25998/statm: 1828 866 715 92 0 172 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 7312

[startup+2.97722 s]
/proc/loadavg: 1.99 1.95 1.93 3/94 25999
/proc/meminfo: memFree=1335328/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=7312 CPUtime=2.94
/proc/25998/stat : 25998 (solver) R 25996 25998 24826 0 -1 4194304 898 0 0 0 294 0 0 0 25 0 1 0 161698397 7487488 866 18446744073709551615 134512640 134893233 4294956640 18446744073709551615 134710354 0 0 4096 0 0 0 0 17 1 0 0
/proc/25998/statm: 1828 866 715 92 0 172 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 7312

[startup+6.25782 s]
/proc/loadavg: 1.99 1.95 1.93 3/94 25999
/proc/meminfo: memFree=1335200/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=7312 CPUtime=6.19
/proc/25998/stat : 25998 (solver) R 25996 25998 24826 0 -1 4194304 898 0 0 0 619 0 0 0 25 0 1 0 161698397 7487488 866 18446744073709551615 134512640 134893233 4294956640 18446744073709551615 134708977 0 0 4096 0 0 0 0 17 1 0 0
/proc/25998/statm: 1828 866 715 92 0 172 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 7312

[startup+12.717 s]
/proc/loadavg: 1.99 1.95 1.93 3/94 25999
/proc/meminfo: memFree=1335200/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=7312 CPUtime=12.6
/proc/25998/stat : 25998 (solver) R 25996 25998 24826 0 -1 4194304 898 0 0 0 1260 0 0 0 25 0 1 0 161698397 7487488 866 18446744073709551615 134512640 134893233 4294956640 18446744073709551615 134790780 0 0 4096 0 0 0 0 17 1 0 0
/proc/25998/statm: 1828 866 715 92 0 172 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 7312

[startup+25.5328 s]
/proc/loadavg: 1.99 1.95 1.93 3/94 25999
/proc/meminfo: memFree=1335200/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=7312 CPUtime=25.3
/proc/25998/stat : 25998 (solver) R 25996 25998 24826 0 -1 4194304 898 0 0 0 2530 0 0 0 25 0 1 0 161698397 7487488 866 18446744073709551615 134512640 134893233 4294956640 18446744073709551615 134710675 0 0 4096 0 0 0 0 17 1 0 0
/proc/25998/statm: 1828 866 715 92 0 172 0
Current children cumulated CPU time (s) 25.3
Current children cumulated vsize (KiB) 7312

[startup+51.1661 s]
/proc/loadavg: 1.99 1.96 1.93 3/94 25999
/proc/meminfo: memFree=1335328/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=7312 CPUtime=50.72
/proc/25998/stat : 25998 (solver) R 25996 25998 24826 0 -1 4194304 898 0 0 0 5072 0 0 0 25 0 1 0 161698397 7487488 866 18446744073709551615 134512640 134893233 4294956640 18446744073709551615 134709345 0 0 4096 0 0 0 0 17 1 0 0
/proc/25998/statm: 1828 866 715 92 0 172 0
Current children cumulated CPU time (s) 50.72
Current children cumulated vsize (KiB) 7312

[startup+102.385 s]
/proc/loadavg: 2.06 1.98 1.93 3/94 25999
/proc/meminfo: memFree=1335328/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=7320 CPUtime=101.49
/proc/25998/stat : 25998 (solver) R 25996 25998 24826 0 -1 4194304 900 0 0 0 10148 1 0 0 25 0 1 0 161698397 7495680 868 18446744073709551615 134512640 134893233 4294956640 18446744073709551615 134709345 0 0 4096 0 0 0 0 17 1 0 0
/proc/25998/statm: 1830 868 715 92 0 174 0
Current children cumulated CPU time (s) 101.49
Current children cumulated vsize (KiB) 7320

[startup+162.393 s]
/proc/loadavg: 2.02 1.98 1.93 3/94 25999
/proc/meminfo: memFree=1335328/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=7328 CPUtime=160.99
/proc/25998/stat : 25998 (solver) R 25996 25998 24826 0 -1 4194304 902 0 0 0 16098 1 0 0 25 0 1 0 161698397 7503872 870 18446744073709551615 134512640 134893233 4294956640 18446744073709551615 134711745 0 0 4096 0 0 0 0 17 1 0 0
/proc/25998/statm: 1832 870 715 92 0 176 0
Current children cumulated CPU time (s) 160.99
Current children cumulated vsize (KiB) 7328

[startup+222.473 s]
/proc/loadavg: 2.05 1.99 1.94 3/94 25999
/proc/meminfo: memFree=1335264/2055920 swapFree=4191880/4192956
[pid=25998] ppid=25996 vsize=7344 CPUtime=220.57
/proc/25998/stat : 25998 (solver) R 25996 25998 24826 0 -1 4194304 906 0 0 0 22055 2 0 0 25 0 1 0 161698397 7520256 874 18446744073709551615 134512640 134893233 4294956640 18446744073709551615 134710625 0 0 4096 0 0 0 0 17 1 0 0
/proc/25998/statm: 1836 874 715 92 0 180 0
Current children cumulated CPU time (s) 220.57
Current children cumulated vsize (KiB) 7344

Child status: 0
Real time (s): 228.156
CPU time (s): 226.213
CPU user time (s): 226.19
CPU system time (s): 0.022996
CPU usage (%): 99.1481
Max. virtual memory (cumulated for all children) (KiB): 7348

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 226.19
system time used= 0.022996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 917
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= 11426

runsolver used 0.277957 s user time and 0.567913 s system time

The end

Launcher Data (download as text)

Begin job on node2 on Sun Jan  7 01:23:48 UTC 2007


IDJOB= 199222
IDBENCH= 3600
FILE ID= node2/199222-1168133027

PBS_JOBID= 3477747

Free space on /tmp= 66324 MiB

BENCH NAME= HOME/pub/bench/CPAI06/knights/knights-25-9.xml
COMMAND LINE= /tmp/evaluation/199222-1168133027/tramontane/bin/solver /tmp/evaluation/199222-1168133027/unknown.xml -res geom -f 3 -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-199222-1168133027 -o ROOT/results/node2/solver-199222-1168133027 -C 1800 -M 900  /tmp/evaluation/199222-1168133027/tramontane/bin/solver /tmp/evaluation/199222-1168133027/unknown.xml -res geom -f 3 -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  ff6db571c9963ef273115b40e7595a31

RANDOM SEED= 70021747

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:       1336448 kB
Buffers:         58348 kB
Cached:         417748 kB
SwapCached:        448 kB
Active:         403272 kB
Inactive:       258272 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1336448 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            3056 kB
Writeback:           0 kB
Mapped:         211420 kB
Slab:            42280 kB
Committed_AS:  4006400 kB
PageTables:       2708 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= 66324 MiB



End job on node2 on Sun Jan  7 01:27:36 UTC 2007