Trace number 1092856

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 v1.13+minisatUNSAT 0.775881 0.910024

General information on the benchmark

Namecsp/langford4/
normalized-langford-4-5.xml
MD5SUM88c157a70985ca5ac0101be737665729
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 benchmark0.010997
Satisfiable
(Un)Satisfiability was proved
Number of variables20
Number of constraints205
Maximum constraint arity2
Maximum domain size20
Number of constraints which are defined in extension0
Number of constraints which are defined in intension205
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.04	c 0	Sugar v1-13 + HOME/minisat
0.00/0.04	c 0	BEGIN Sat Jul  5 19:10:50 2008
0.00/0.04	c 0	PID 27383
0.00/0.05	c 0	HOST node67.alineos.net
0.00/0.05	c 0	CONVERTING HOME/instance-1092856-1215277849.xml TO HOME/temp.csp
0.00/0.05	c 0	CMD java -Xmx700M -cp 'HOME/sugar-v1-13.jar' jp.ac.kobe_u.cs.sugar.XML2CSP 'HOME/instance-1092856-1215277849.xml' 'HOME/temp.csp'
0.03/0.31	c 0	1 domains, 20 variables, 2 predicates, 0 relations, 205 constraints
0.03/0.37	c 0	ENCODING HOME/temp.csp TO HOME/temp.cnf
0.03/0.37	c 0	CMD java -Xmx700M -cp 'HOME/sugar-v1-13.jar' jp.ac.kobe_u.cs.sugar.SugarMain -competition -encode 'HOME/temp.csp' 'HOME/temp.cnf' 'HOME/temp.map'
0.28/0.45	c 0	Parsing HOME/temp.csp
0.28/0.50	c 0	parsed 228 expressions
0.28/0.52	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
0.28/0.52	c 0	Converting to clausal form CSP
0.28/0.54	c 0	converted 23 (10%) expressions
0.28/0.55	c 0	converted 46 (20%) expressions
0.28/0.56	c 0	converted 69 (30%) expressions
0.28/0.57	c 0	converted 92 (40%) expressions
0.28/0.57	c 0	converted 114 (50%) expressions
0.28/0.58	c 0	converted 137 (60%) expressions
0.28/0.59	c 0	converted 160 (70%) expressions
0.28/0.60	c 0	converted 183 (80%) expressions
0.28/0.60	c 0	converted 206 (90%) expressions
0.28/0.61	c 0	converted 228 (100%) expressions
0.28/0.61	c 0	CSP : 20 integers, 0 booleans, 220 clauses, largest domain size 20
0.28/0.61	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
0.28/0.61	c 0	Propagation in CSP
0.28/0.64	c 0	240 values, 0 unsatisfiable literals, and 0 valid clauses are removed
0.28/0.64	c 0	CSP : 20 integers, 0 booleans, 220 clauses, largest domain size 14
0.28/0.64	c 0	Heap : 1 MB used (max 728 MB), NonHeap : 14 MB used (max 121 MB)
0.28/0.64	c 0	Simplifing CSP by introducing new Boolean variables
0.28/0.65	c 0	CSP : 20 integers, 380 booleans, 600 clauses, largest domain size 14
0.28/0.65	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 14 MB used (max 121 MB)
0.28/0.67	c 0	Encoding CSP to SAT : HOME/temp.cnf
0.28/0.68	c 0	2 (10%) CSP integer variables are encoded (21 clauses, 236 bytes)
0.28/0.68	c 0	4 (20%) CSP integer variables are encoded (30 clauses, 317 bytes)
0.28/0.68	c 0	6 (30%) CSP integer variables are encoded (42 clauses, 425 bytes)
0.28/0.68	c 0	8 (40%) CSP integer variables are encoded (57 clauses, 560 bytes)
0.28/0.68	c 0	10 (50%) CSP integer variables are encoded (60 clauses, 587 bytes)
0.28/0.68	c 0	12 (60%) CSP integer variables are encoded (81 clauses, 776 bytes)
0.28/0.68	c 0	14 (70%) CSP integer variables are encoded (90 clauses, 864 bytes)
0.28/0.68	c 0	16 (80%) CSP integer variables are encoded (102 clauses, 996 bytes)
0.28/0.68	c 0	18 (90%) CSP integer variables are encoded (117 clauses, 1161 bytes)
0.28/0.68	c 0	20 (100%) CSP integer variables are encoded (120 clauses, 1194 bytes)
0.28/0.69	c 0	60 (10%) CSP clauses are encoded (393 clauses, 4542 bytes)
0.28/0.70	c 0	120 (20%) CSP clauses are encoded (580 clauses, 6849 bytes)
0.28/0.71	c 0	180 (30%) CSP clauses are encoded (693 clauses, 8144 bytes)
0.28/0.71	c 0	240 (40%) CSP clauses are encoded (741 clauses, 8561 bytes)
0.28/0.71	c 0	300 (50%) CSP clauses are encoded (955 clauses, 11254 bytes)
0.28/0.71	c 0	360 (60%) CSP clauses are encoded (1163 clauses, 13894 bytes)
0.28/0.72	c 0	420 (70%) CSP clauses are encoded (1284 clauses, 15306 bytes)
0.28/0.72	c 0	480 (80%) CSP clauses are encoded (1462 clauses, 17546 bytes)
0.28/0.72	c 0	540 (90%) CSP clauses are encoded (1673 clauses, 20306 bytes)
0.28/0.73	c 0	600 (100%) CSP clauses are encoded (1829 clauses, 22417 bytes)
0.28/0.73	c 0	600 CSP clauses encoded
0.28/0.73	c 0	Writing map file : HOME/temp.map
0.28/0.73	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 14 MB used (max 121 MB)
0.28/0.73	c 0	SAT : 520 SAT variables, 1829 SAT clauses, 22417 bytes
0.28/0.73	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 14 MB used (max 121 MB)
0.28/0.78	c 0	SOLVING HOME/temp.cnf
0.28/0.78	c 0	CMD HOME/minisat 'HOME/temp.cnf' 'HOME/temp.out'
0.28/0.79	c 0	This is MiniSat 2.0 beta
0.28/0.79	c 0	WARNING: for repeatability, setting FPU to use double precision
0.28/0.79	c 0	============================[ Problem Statistics ]=============================
0.28/0.79	c 0	|                                                                             |
0.28/0.79	c 0	|  Number of variables:  520                                                  |
0.28/0.79	c 0	|  Number of clauses:    1829                                                 |
0.28/0.79	c 0	|  Parsing time:         0.00         s                                       |
0.28/0.79	c 0	============================[ Search Statistics ]==============================
0.28/0.79	c 0	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.28/0.79	c 0	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.28/0.79	c 0	===============================================================================
0.28/0.79	c 0	|         0 |     378     1687     4344 |      562        0    nan |  0.000 % |
0.28/0.79	c 0	===============================================================================
0.28/0.79	c 0	restarts              : 1
0.28/0.79	c 0	conflicts             : 8              (4002 /sec)
0.28/0.79	c 0	decisions             : 19             (0.00 % random) (9505 /sec)
0.28/0.79	c 0	propagations          : 1163           (581791 /sec)
0.28/0.79	c 0	conflict literals     : 16             (11.11 % deleted)
0.28/0.79	c 0	Memory used           : 1.90 MB
0.28/0.79	c 0	CPU time              : 0.001999 s
0.28/0.79	c 0	
0.28/0.79	c 0	UNSATISFIABLE
0.28/0.79	c 0	DECODING HOME/temp.out WITH HOME/temp.map
0.28/0.79	c 0	CMD java -Xmx700M -cp 'HOME/sugar-v1-13.jar' jp.ac.kobe_u.cs.sugar.SugarMain -competition -decode 'HOME/temp.out' 'HOME/temp.map'
0.65/0.87	c 0	Decoding HOME/temp.out
0.65/0.89	s UNSATISFIABLE
0.65/0.89	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
0.65/0.90	c 0	CPU 0.65 (0.03 0 0.62 0.09)
0.65/0.90	c 0	END Sat Jul  5 19:10:50 2008

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1092856-1215277849/watcher-1092856-1215277849 -o /tmp/evaluation-result-1092856-1215277849/solver-1092856-1215277849 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/sugar -c -vv -java=java -Xmx700M -jar=HOME/sugar-v1-13.jar -solver=HOME/minisat -tmp=HOME/temp HOME/instance-1092856-1215277849.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): 2200 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.03 1.99 1.99 4/80 27383
/proc/meminfo: memFree=1565448/2055920 swapFree=4181480/4192956
[pid=27383] ppid=27381 vsize=12268 CPUtime=0
/proc/27383/stat : 27383 (sugar) R 27381 27383 26822 0 -1 4194304 348 0 0 0 0 0 0 0 20 0 1 0 2006754495 12562432 316 996147200 4194304 4206940 548682068608 18446744073709551615 271647292414 0 0 4224 0 0 0 0 17 1 0 0
/proc/27383/statm: 3067 316 241 3 0 167 0

[startup+0.075066 s]
/proc/loadavg: 2.03 1.99 1.99 4/80 27383
/proc/meminfo: memFree=1565448/2055920 swapFree=4181480/4192956
[pid=27383] ppid=27381 vsize=13600 CPUtime=0.03
/proc/27383/stat : 27383 (sugar) S 27381 27383 26822 0 -1 4194304 900 127 0 0 3 0 0 0 21 0 1 0 2006754495 13926400 796 996147200 4194304 4206940 548682068608 18446744073709551615 271647289442 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/27383/statm: 3400 796 370 3 0 500 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 13600

[startup+0.101519 s]
/proc/loadavg: 2.03 1.99 1.99 4/80 27383
/proc/meminfo: memFree=1565448/2055920 swapFree=4181480/4192956
[pid=27383] ppid=27381 vsize=13600 CPUtime=0.03
/proc/27383/stat : 27383 (sugar) S 27381 27383 26822 0 -1 4194304 900 127 0 0 3 0 0 0 21 0 1 0 2006754495 13926400 796 996147200 4194304 4206940 548682068608 18446744073709551615 271647289442 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/27383/statm: 3400 796 370 3 0 500 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 13600

[startup+0.301586 s]
/proc/loadavg: 2.03 1.99 1.99 4/80 27383
/proc/meminfo: memFree=1565448/2055920 swapFree=4181480/4192956
[pid=27383] ppid=27381 vsize=13600 CPUtime=0.03
/proc/27383/stat : 27383 (sugar) S 27381 27383 26822 0 -1 4194304 900 127 0 0 3 0 0 0 21 0 1 0 2006754495 13926400 796 996147200 4194304 4206940 548682068608 18446744073709551615 271647289442 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/27383/statm: 3400 796 370 3 0 500 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 13600

[startup+0.701633 s]
/proc/loadavg: 2.03 1.99 1.99 4/80 27383
/proc/meminfo: memFree=1565448/2055920 swapFree=4181480/4192956
[pid=27383] ppid=27381 vsize=13600 CPUtime=0.28
/proc/27383/stat : 27383 (sugar) S 27381 27383 26822 0 -1 4194304 974 4470 0 1 3 0 22 3 15 0 1 0 2006754495 13926400 797 996147200 4194304 4206940 548682068608 18446744073709551615 271647289442 0 0 4224 16386 18446744071563648864 0 0 17 0 0 0
/proc/27383/statm: 3400 797 370 3 0 500 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 13600

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

[startup+0.904093 s]
/proc/loadavg: 2.03 1.99 1.99 4/80 27383
/proc/meminfo: memFree=1565448/2055920 swapFree=4181480/4192956
[pid=27383] ppid=27381 vsize=13600 CPUtime=0.65
/proc/27383/stat : 27383 (sugar) S 27381 27383 26822 0 -1 4194304 1089 10229 0 2 3 0 55 7 16 0 1 0 2006754495 13926400 798 996147200 4194304 4206940 548682068608 18446744073709551615 271647289442 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/27383/statm: 3400 798 370 3 0 500 0
Current children cumulated CPU time (s) 0.65
Current children cumulated vsize (KiB) 13600

Child status: 0
Real time (s): 0.910024
CPU time (s): 0.775881
CPU user time (s): 0.666898
CPU system time (s): 0.108983
CPU usage (%): 85.2594
Max. virtual memory (cumulated for all children) (KiB): 13600

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.666898
system time used= 0.108983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 14986
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= 1157
involuntary context switches= 1061

runsolver used 0.006998 second user time and 0.012998 second system time

The end

Launcher Data (download as text)

Begin job on node67 at 2008-07-05 19:10:49
IDJOB=1092856
IDBENCH=58664
IDSOLVER=346
FILE ID=node67/1092856-1215277849
PBS_JOBID= 7882264
Free space on /tmp= 66432 MiB

SOLVER NAME= Sugar v1.13+minisat
BENCH NAME= CPAI08/csp/langford4/normalized-langford-4-5.xml
COMMAND LINE= DIR/sugar -c -vv -java="java -Xmx700M" -jar="DIR/sugar-v1-13.jar" -solver="DIR/minisat" -tmp="TMPDIR/temp" BENCHNAME
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1092856-1215277849/watcher-1092856-1215277849 -o /tmp/evaluation-result-1092856-1215277849/solver-1092856-1215277849 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/sugar -c -vv -java="java -Xmx700M" -jar="HOME/sugar-v1-13.jar" -solver="HOME/minisat" -tmp="HOME/temp" HOME/instance-1092856-1215277849.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 88c157a70985ca5ac0101be737665729
RANDOM SEED=1496822815

node67.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		: 3000.281
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		: 3000.281
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:       1565928 kB
Buffers:         65344 kB
Cached:         232832 kB
SwapCached:       5376 kB
Active:         299184 kB
Inactive:       128232 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1565928 kB
SwapTotal:     4192956 kB
SwapFree:      4181480 kB
Dirty:            1656 kB
Writeback:           0 kB
Mapped:         145448 kB
Slab:            47584 kB
Committed_AS:  4977740 kB
PageTables:       2060 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= 66428 MiB
End job on node67 at 2008-07-05 19:10:51