Trace number 2082356

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
Sugar v1.14.6+picosatSAT 0.731887 0.865269

General information on the benchmark

Namecsp/langford2/
normalized-langford-2-8.xml
MD5SUM597114782507517e5af808ba8c1eefba
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 benchmark0.009997
Satisfiable
(Un)Satisfiability was proved
Number of variables16
Number of constraints128
Maximum constraint arity2
Maximum domain size16
Number of constraints which are defined in extension0
Number of constraints which are defined in intension128
Global constraints used (with number of constraints)

Solver Data 

0.03/0.07	c 0	Sugar v1-14-6 + HOME/picosat
0.03/0.07	c 0	BEGIN Sun Jul 12 07:03:13 2009
0.03/0.07	c 0	PID 23434
0.03/0.08	c 0	HOST node4.alineos.net
0.03/0.08	c 0	CONVERTING HOME/instance-2082356-1247374992.xml TO HOME/temp.csp
0.03/0.08	c 0	CMD java -Xmx700M -cp 'HOME/sugar-v1-14-6.jar' jp.ac.kobe_u.cs.sugar.XML2CSP -v -v 'HOME/instance-2082356-1247374992.xml' 'HOME/temp.csp'
0.07/0.30	c 0	1 domains, 16 variables, 2 predicates, 0 relations, 128 constraints
0.07/0.36	c 0	ENCODING HOME/temp.csp TO HOME/temp.cnf
0.07/0.36	c 0	CMD java -Xmx700M -cp 'HOME/sugar-v1-14-6.jar' jp.ac.kobe_u.cs.sugar.SugarMain -v -v -competition -encode 'HOME/temp.csp' 'HOME/temp.cnf' 'HOME/temp.map'
0.29/0.43	c 0	Parsing HOME/temp.csp
0.29/0.46	c 0	parsed 147 expressions
0.29/0.47	c 0	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.29/0.47	c 0	Converting to clausal form CSP
0.29/0.49	c 0	converted 15 (10%) expressions
0.29/0.50	c 0	converted 30 (20%) expressions
0.29/0.51	c 0	converted 45 (30%) expressions
0.29/0.52	c 0	converted 59 (40%) expressions
0.29/0.53	c 0	converted 74 (50%) expressions
0.29/0.53	c 0	converted 89 (60%) expressions
0.29/0.54	c 0	converted 103 (70%) expressions
0.29/0.55	c 0	converted 118 (80%) expressions
0.29/0.55	c 0	converted 133 (90%) expressions
0.29/0.56	c 0	converted 147 (100%) expressions
0.29/0.56	c 0	CSP : 16 integers, 0 booleans, 136 clauses, largest domain size 14
0.29/0.56	c 0	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.29/0.56	c 0	Propagation in CSP
0.29/0.57	c 0	0 values, 0 unsatisfiable literals, and 0 valid clauses are removed
0.29/0.57	c 0	CSP : 16 integers, 0 booleans, 136 clauses, largest domain size 14
0.29/0.57	c 0	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.29/0.57	c 0	Simplifing CSP by introducing new Boolean variables
0.29/0.58	c 0	CSP : 16 integers, 240 booleans, 376 clauses, largest domain size 14
0.29/0.58	c 0	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.29/0.60	c 0	Encoding CSP to SAT : HOME/temp.cnf
0.29/0.61	c 0	2 (10%) CSP integer variables are encoded (23 clauses, 254 bytes)
0.29/0.61	c 0	4 (20%) CSP integer variables are encoded (42 clauses, 425 bytes)
0.29/0.61	c 0	5 (30%) CSP integer variables are encoded (50 clauses, 497 bytes)
0.29/0.61	c 0	7 (40%) CSP integer variables are encoded (63 clauses, 614 bytes)
0.29/0.61	c 0	8 (50%) CSP integer variables are encoded (68 clauses, 659 bytes)
0.29/0.61	c 0	10 (60%) CSP integer variables are encoded (91 clauses, 869 bytes)
0.29/0.61	c 0	12 (70%) CSP integer variables are encoded (110 clauses, 1078 bytes)
0.29/0.61	c 0	13 (80%) CSP integer variables are encoded (118 clauses, 1166 bytes)
0.29/0.61	c 0	15 (90%) CSP integer variables are encoded (131 clauses, 1309 bytes)
0.29/0.61	c 0	16 (100%) CSP integer variables are encoded (136 clauses, 1364 bytes)
0.29/0.62	c 0	38 (10%) CSP clauses are encoded (414 clauses, 4835 bytes)
0.29/0.63	c 0	76 (20%) CSP clauses are encoded (660 clauses, 8054 bytes)
0.29/0.63	c 0	113 (30%) CSP clauses are encoded (868 clauses, 10882 bytes)
0.29/0.64	c 0	151 (40%) CSP clauses are encoded (1069 clauses, 13523 bytes)
0.29/0.64	c 0	188 (50%) CSP clauses are encoded (1238 clauses, 15720 bytes)
0.29/0.64	c 0	226 (60%) CSP clauses are encoded (1378 clauses, 17516 bytes)
0.29/0.64	c 0	264 (70%) CSP clauses are encoded (1483 clauses, 18762 bytes)
0.29/0.65	c 0	301 (80%) CSP clauses are encoded (1613 clauses, 20445 bytes)
0.29/0.65	c 0	339 (90%) CSP clauses are encoded (1867 clauses, 24107 bytes)
0.29/0.65	c 0	376 (100%) CSP clauses are encoded (2070 clauses, 27109 bytes)
0.29/0.65	c 0	376 CSP clauses encoded
0.29/0.65	c 0	Writing map file : HOME/temp.map
0.29/0.65	c 0	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.29/0.65	c 0	SAT : 392 SAT variables, 2070 SAT clauses, 27109 bytes
0.29/0.65	c 0	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.29/0.68	c 0	SOLVING HOME/temp.cnf
0.29/0.68	c 0	CMD HOME/picosat 'HOME/temp.cnf' -o 'HOME/temp.out'
0.29/0.70	c 0	DECODING HOME/temp.out WITH HOME/temp.map
0.29/0.70	c 0	CMD java -Xmx700M -cp 'HOME/sugar-v1-14-6.jar' jp.ac.kobe_u.cs.sugar.SugarMain -v -v -competition -decode 'HOME/temp.out' 'HOME/temp.map'
0.59/0.77	c 0	Decoding HOME/temp.out
0.59/0.80	s SATISFIABLE
0.59/0.80	v 3 12 7 9 0 1 2 4 5 15 11 14 6 8 10 13
0.59/0.81	c 0	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.59/0.86	c 0	CPU 0.71 (0.06 0.01 0.54 0.1)
0.59/0.86	c 0	END Sun Jul 12 07:03:13 2009

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2082356-1247374992/watcher-2082356-1247374992 -o /tmp/evaluation-result-2082356-1247374992/solver-2082356-1247374992 -C 1800 -W 2000 -M 900 HOME/sugar -c -vv -memlimit=900 -jar=HOME/sugar-v1-14-6.jar -solver=HOME/picosat -tmp=HOME/temp HOME/instance-2082356-1247374992.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 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


[startup+0 s]
/proc/loadavg: 2.07 2.00 1.99 3/74 23434
/proc/meminfo: memFree=1234896/2055920 swapFree=4192956/4192956
[pid=23434] ppid=23432 vsize=18576 CPUtime=0
/proc/23434/stat : 23434 (runsolver) R 23432 23434 18871 0 -1 4194368 15 0 0 0 0 0 0 0 23 0 1 0 24566749 19021824 284 996147200 4194304 4302564 548682068304 18446744073709551615 259910563562 0 0 4096 24578 0 0 0 17 1 0 0
/proc/23434/statm: 4644 284 249 26 0 2626 0

[startup+0.0494019 s]
/proc/loadavg: 2.07 2.00 1.99 3/74 23434
/proc/meminfo: memFree=1234896/2055920 swapFree=4192956/4192956
[pid=23434] ppid=23432 vsize=13600 CPUtime=0.03
/proc/23434/stat : 23434 (sugar) R 23432 23434 18871 0 -1 4194304 783 0 0 0 3 0 0 0 23 0 1 0 24566749 13926400 751 996147200 4194304 4206940 548682068608 18446744073709551615 259913067083 0 0 4224 0 0 0 0 17 1 0 0
/proc/23434/statm: 3400 751 338 3 0 500 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 13600

[startup+0.104877 s]
/proc/loadavg: 2.07 2.00 1.99 3/74 23434
/proc/meminfo: memFree=1234896/2055920 swapFree=4192956/4192956
[pid=23434] ppid=23432 vsize=16868 CPUtime=0.07
/proc/23434/stat : 23434 (sugar) S 23432 23434 18871 0 -1 4194304 1227 128 0 0 6 1 0 0 25 0 1 0 24566749 17272832 1111 996147200 4194304 4206940 548682068608 18446744073709551615 259922112610 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/23434/statm: 4217 1111 409 3 0 796 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 16868

[startup+0.302424 s]
/proc/loadavg: 2.07 2.00 1.99 3/74 23434
/proc/meminfo: memFree=1234896/2055920 swapFree=4192956/4192956
[pid=23434] ppid=23432 vsize=16868 CPUtime=0.07
/proc/23434/stat : 23434 (sugar) S 23432 23434 18871 0 -1 4194304 1227 128 0 0 6 1 0 0 25 0 1 0 24566749 17272832 1111 996147200 4194304 4206940 548682068608 18446744073709551615 259922112610 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/23434/statm: 4217 1111 409 3 0 796 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 16868

[startup+0.702468 s]
/proc/loadavg: 2.07 2.00 1.99 3/74 23434
/proc/meminfo: memFree=1234896/2055920 swapFree=4192956/4192956
[pid=23434] ppid=23432 vsize=16868 CPUtime=0.59
/proc/23434/stat : 23434 (sugar) S 23432 23434 18871 0 -1 4194304 1424 9878 0 2 6 1 45 7 17 0 1 0 24566749 17272832 1112 996147200 4194304 4206940 548682068608 18446744073709551615 259922112610 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/23434/statm: 4217 1112 409 3 0 796 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 16868

Solver just ended. Dumping a history of the last processes samples

[startup+0.802472 s]
/proc/loadavg: 2.07 2.00 1.99 3/74 23434
/proc/meminfo: memFree=1234896/2055920 swapFree=4192956/4192956
[pid=23434] ppid=23432 vsize=16868 CPUtime=0.59
/proc/23434/stat : 23434 (sugar) S 23432 23434 18871 0 -1 4194304 1443 9878 0 2 6 1 45 7 16 0 1 0 24566749 17272832 1112 996147200 4194304 4206940 548682068608 18446744073709551615 259922112610 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/23434/statm: 4217 1112 409 3 0 796 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 16868

Child status: 0
Real time (s): 0.865269
CPU time (s): 0.731887
CPU user time (s): 0.611906
CPU system time (s): 0.119981
CPU usage (%): 84.5849
Max. virtual memory (cumulated for all children) (KiB): 16868

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.611906
system time used= 0.119981
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15143
page faults= 3
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 807
involuntary context switches= 711

runsolver used 0.003999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node4 at 2009-07-12 07:03:12
IDJOB=2082356
IDBENCH=57575
IDSOLVER=738
FILE ID=node4/2082356-1247374992
PBS_JOBID= 9507046
Free space on /tmp= 66268 MiB

SOLVER NAME= Sugar v1.14.6+picosat
BENCH NAME= CPAI08/csp/langford2/normalized-langford-2-8.xml
COMMAND LINE= DIR/sugar -c -vv -memlimit=MEMLIMIT -jar="DIR/sugar-v1-14-6.jar" -solver="DIR/picosat" -tmp="TMPDIR/temp" BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2082356-1247374992/watcher-2082356-1247374992 -o /tmp/evaluation-result-2082356-1247374992/solver-2082356-1247374992 -C 1800 -W 2000 -M 900  HOME/sugar -c -vv -memlimit=900 -jar="HOME/sugar-v1-14-6.jar" -solver="HOME/picosat" -tmp="HOME/temp" HOME/instance-2082356-1247374992.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 597114782507517e5af808ba8c1eefba
RANDOM SEED=397450998

node4.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.213
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		: 3000.213
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:       1235376 kB
Buffers:         79700 kB
Cached:         639672 kB
SwapCached:          0 kB
Active:         183364 kB
Inactive:       556608 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1235376 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            1704 kB
Writeback:           0 kB
Mapped:          31640 kB
Slab:            65628 kB
Committed_AS:   173536 kB
PageTables:       1932 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= 66268 MiB
End job on node4 at 2009-07-12 07:03:13