Trace number 2080509

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+minisatUNSAT 0.841871 0.911766

General information on the benchmark

Namecsp/queensKnights/
normalized-queensKnights-10-5-add.xml
MD5SUM7f40f39ce18aac0954c703f625811a4a
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 benchmark0.822874
Satisfiable
(Un)Satisfiability was proved
Number of variables15
Number of constraints55
Maximum constraint arity2
Maximum domain size100
Number of constraints which are defined in extension0
Number of constraints which are defined in intension55
Global constraints used (with number of constraints)

Solver Data 

0.05/0.08	c 0	Sugar v1-14-6 + HOME/minisat
0.05/0.08	c 0	BEGIN Sun Jul 12 05:40:21 2009
0.05/0.08	c 0	PID 22846
0.05/0.08	c 0	HOST node47.alineos.net
0.05/0.08	c 0	CONVERTING HOME/instance-2080509-1247370021.xml TO HOME/temp.csp
0.05/0.08	c 0	CMD java -Xmx700M -cp 'HOME/sugar-v1-14-6.jar' jp.ac.kobe_u.cs.sugar.XML2CSP -v -v 'HOME/instance-2080509-1247370021.xml' 'HOME/temp.csp'
0.07/0.26	c 0	2 domains, 15 variables, 3 predicates, 0 relations, 55 constraints
0.07/0.30	c 1	ENCODING HOME/temp.csp TO HOME/temp.cnf
0.07/0.30	c 1	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'
0.24/0.37	c 1	Parsing HOME/temp.csp
0.24/0.39	c 1	parsed 75 expressions
0.24/0.40	c 1	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.24/0.40	c 1	Converting to clausal form CSP
0.24/0.42	c 1	converted 8 (10%) expressions
0.24/0.42	c 1	converted 15 (20%) expressions
0.24/0.43	c 1	converted 23 (30%) expressions
0.24/0.45	c 1	converted 30 (40%) expressions
0.24/0.46	c 1	converted 38 (50%) expressions
0.24/0.47	c 1	converted 45 (60%) expressions
0.24/0.49	c 1	converted 53 (70%) expressions
0.24/0.50	c 1	converted 60 (80%) expressions
0.24/0.52	c 1	converted 68 (90%) expressions
0.24/0.54	c 1	converted 75 (100%) expressions
0.24/0.54	c 1	CSP : 35 integers, 55 booleans, 270 clauses, largest domain size 100
0.24/0.54	c 1	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.24/0.54	c 1	Propagation in CSP
0.24/0.55	c 1	0 values, 0 unsatisfiable literals, and 0 valid clauses are removed
0.24/0.55	c 1	CSP : 35 integers, 55 booleans, 270 clauses, largest domain size 100
0.24/0.55	c 1	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.24/0.56	c 1	Simplifing CSP by introducing new Boolean variables
0.24/0.58	c 1	CSP : 35 integers, 283 booleans, 498 clauses, largest domain size 100
0.24/0.58	c 1	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.24/0.61	c 1	Encoding CSP to SAT : HOME/temp.cnf
0.24/0.61	c 1	4 (10%) CSP integer variables are encoded (32 clauses, 336 bytes)
0.24/0.61	c 1	7 (20%) CSP integer variables are encoded (56 clauses, 552 bytes)
0.24/0.62	c 1	11 (30%) CSP integer variables are encoded (178 clauses, 1829 bytes)
0.24/0.62	c 1	14 (40%) CSP integer variables are encoded (472 clauses, 5063 bytes)
0.24/0.63	c 1	18 (50%) CSP integer variables are encoded (594 clauses, 6405 bytes)
0.24/0.63	c 1	21 (60%) CSP integer variables are encoded (618 clauses, 6669 bytes)
0.24/0.63	c 1	25 (70%) CSP integer variables are encoded (650 clauses, 7021 bytes)
0.24/0.63	c 1	28 (80%) CSP integer variables are encoded (674 clauses, 7285 bytes)
0.24/0.63	c 1	32 (90%) CSP integer variables are encoded (706 clauses, 7637 bytes)
0.24/0.63	c 1	35 (100%) CSP integer variables are encoded (730 clauses, 7901 bytes)
0.24/0.64	c 1	50 (10%) CSP clauses are encoded (1038 clauses, 11737 bytes)
0.24/0.64	c 1	100 (20%) CSP clauses are encoded (1302 clauses, 15175 bytes)
0.24/0.64	c 1	150 (30%) CSP clauses are encoded (1570 clauses, 18735 bytes)
0.24/0.65	c 1	200 (40%) CSP clauses are encoded (1858 clauses, 22561 bytes)
0.24/0.66	c 1	249 (50%) CSP clauses are encoded (2147 clauses, 26411 bytes)
0.24/0.66	c 1	299 (60%) CSP clauses are encoded (2465 clauses, 30657 bytes)
0.24/0.66	c 1	349 (70%) CSP clauses are encoded (2792 clauses, 35043 bytes)
0.24/0.67	c 1	399 (80%) CSP clauses are encoded (4598 clauses, 62478 bytes)
0.24/0.67	c 1	449 (90%) CSP clauses are encoded (5669 clauses, 79458 bytes)
0.24/0.68	c 1	498 (100%) CSP clauses are encoded (6548 clauses, 93182 bytes)
0.24/0.68	c 1	498 CSP clauses encoded
0.24/0.68	c 1	Writing map file : HOME/temp.map
0.24/0.68	c 1	Heap : 1 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.24/0.68	c 1	SAT : 1048 SAT variables, 6548 SAT clauses, 93182 bytes
0.24/0.68	c 1	Heap : 1 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.24/0.73	c 1	SOLVING HOME/temp.cnf
0.24/0.73	c 1	CMD HOME/minisat 'HOME/temp.cnf' 'HOME/temp.out'
0.24/0.73	c 1	This is MiniSat 2.0 beta
0.24/0.73	c 1	WARNING: for repeatability, setting FPU to use double precision
0.24/0.73	c 1	============================[ Problem Statistics ]=============================
0.24/0.73	c 1	|                                                                             |
0.24/0.73	c 1	|  Number of variables:  1048                                                 |
0.24/0.73	c 1	|  Number of clauses:    6548                                                 |
0.24/0.73	c 1	|  Parsing time:         0.00         s                                       |
0.24/0.73	c 1	============================[ Search Statistics ]==============================
0.24/0.73	c 1	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.24/0.73	c 1	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.24/0.73	c 1	===============================================================================
0.24/0.73	c 1	|         0 |    1047     6547    18038 |     2182        0    nan |  0.000 % |
0.24/0.74	c 1	|       100 |    1047     6547    18038 |     2400      100      8 |  0.096 % |
0.24/0.74	c 1	|       250 |    1047     6547    18038 |     2640      250      8 |  0.096 % |
0.24/0.75	c 1	|       477 |    1047     6547    18038 |     2904      477      7 |  0.096 % |
0.24/0.76	c 1	|       815 |    1047     6547    18038 |     3195      815      7 |  0.096 % |
0.24/0.78	c 1	|      1321 |    1047     6547    18038 |     3514     1321      7 |  0.096 % |
0.24/0.80	c 1	===============================================================================
0.24/0.80	c 1	restarts              : 6
0.24/0.80	c 1	conflicts             : 1682           (25881 /sec)
0.24/0.80	c 1	decisions             : 2525           (1.31 % random) (38852 /sec)
0.24/0.80	c 1	propagations          : 166975         (2569241 /sec)
0.24/0.80	c 1	conflict literals     : 11135          (20.78 % deleted)
0.24/0.80	c 1	Memory used           : 2.18 MB
0.24/0.80	c 1	CPU time              : 0.06499 s
0.24/0.80	c 1	
0.24/0.80	c 1	UNSATISFIABLE
0.24/0.80	c 1	DECODING HOME/temp.out WITH HOME/temp.map
0.24/0.80	c 1	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'
0.71/0.87	c 1	Decoding HOME/temp.out
0.71/0.89	s UNSATISFIABLE
0.71/0.90	c 1	Heap : 0 MiB used (max 694 MiB), NonHeap : 13 MiB used (max 116 MiB)
0.71/0.91	c 1	CPU 0.82 (0.06 0.01 0.67 0.08)
0.71/0.91	c 1	END Sun Jul 12 05:40:22 2009

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2080509-1247370021/watcher-2080509-1247370021 -o /tmp/evaluation-result-2080509-1247370021/solver-2080509-1247370021 -C 1800 -W 2000 -M 900 HOME/sugar -c -vv -memlimit=900 -jar=HOME/sugar-v1-14-6.jar -solver=HOME/minisat -tmp=HOME/temp HOME/instance-2080509-1247370021.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: 2.19 2.17 2.07 4/73 22846
/proc/meminfo: memFree=1369160/2055920 swapFree=4192820/4192956
[pid=22846] ppid=22844 vsize=18576 CPUtime=0
/proc/22846/stat : 22846 (runsolver) R 22844 22846 20860 0 -1 4194368 15 0 0 0 0 0 0 0 23 0 1 0 24065833 19021824 284 996147200 4194304 4302564 548682068304 18446744073709551615 208717540647 0 0 4096 24578 0 0 0 17 1 0 0
/proc/22846/statm: 4644 284 249 26 0 2626 0

[startup+0.0619151 s]
/proc/loadavg: 2.19 2.17 2.07 4/73 22846
/proc/meminfo: memFree=1369160/2055920 swapFree=4192820/4192956
[pid=22846] ppid=22844 vsize=16080 CPUtime=0.05
/proc/22846/stat : 22846 (sugar) R 22844 22846 20860 0 -1 4194304 943 0 0 0 4 1 0 0 23 0 1 0 24065833 16465920 911 996147200 4194304 4206940 548682068608 18446744073709551615 208735379994 0 0 4224 0 0 0 0 17 1 0 0
/proc/22846/statm: 4020 911 380 3 0 599 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 16080

[startup+0.102166 s]
/proc/loadavg: 2.19 2.17 2.07 4/73 22846
/proc/meminfo: memFree=1369160/2055920 swapFree=4192820/4192956
[pid=22846] ppid=22844 vsize=16868 CPUtime=0.07
/proc/22846/stat : 22846 (sugar) S 22844 22846 20860 0 -1 4194304 1227 128 0 0 6 1 0 0 24 0 1 0 24065833 17272832 1111 996147200 4194304 4206940 548682068608 18446744073709551615 208726437986 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/22846/statm: 4217 1111 409 3 0 796 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 16868

[startup+0.301955 s]
/proc/loadavg: 2.19 2.17 2.07 4/73 22846
/proc/meminfo: memFree=1369160/2055920 swapFree=4192820/4192956
[pid=22846] ppid=22844 vsize=16868 CPUtime=0.24
/proc/22846/stat : 22846 (sugar) R 22844 22846 20860 0 -1 4194304 1264 4169 0 1 6 1 15 2 16 0 1 0 24065833 17272832 1111 996147200 4194304 4206940 548682068608 18446744073709551615 208717539999 0 0 4224 16386 0 0 0 17 1 0 0
/proc/22846/statm: 4217 1111 409 3 0 796 0
Current children cumulated CPU time (s) 0.24
Current children cumulated vsize (KiB) 16868

[startup+0.701979 s]
/proc/loadavg: 2.19 2.17 2.07 4/73 22846
/proc/meminfo: memFree=1369160/2055920 swapFree=4192820/4192956
[pid=22846] ppid=22844 vsize=16868 CPUtime=0.24
/proc/22846/stat : 22846 (sugar) S 22844 22846 20860 0 -1 4194304 1310 4169 0 1 6 1 15 2 15 0 1 0 24065833 17272832 1111 996147200 4194304 4206940 548682068608 18446744073709551615 208726437986 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/22846/statm: 4217 1111 409 3 0 796 0
Current children cumulated CPU time (s) 0.24
Current children cumulated vsize (KiB) 16868

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

[startup+0.902005 s]
/proc/loadavg: 2.19 2.17 2.07 4/73 22846
/proc/meminfo: memFree=1369160/2055920 swapFree=4192820/4192956
[pid=22846] ppid=22844 vsize=16868 CPUtime=0.71
/proc/22846/stat : 22846 (sugar) S 22844 22846 20860 0 -1 4194304 1445 10020 0 2 6 1 59 5 16 0 1 0 24065833 17272832 1112 996147200 4194304 4206940 548682068608 18446744073709551615 208726437986 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/22846/statm: 4217 1112 409 3 0 796 0
Current children cumulated CPU time (s) 0.71
Current children cumulated vsize (KiB) 16868

Child status: 0
Real time (s): 0.911766
CPU time (s): 0.841871
CPU user time (s): 0.733888
CPU system time (s): 0.107983
CPU usage (%): 92.3341
Max. virtual memory (cumulated for all children) (KiB): 16868

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.733888
system time used= 0.107983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15216
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= 578
involuntary context switches= 498

runsolver used 0.008998 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node47 at 2009-07-12 05:40:21
IDJOB=2080509
IDBENCH=57099
IDSOLVER=739
FILE ID=node47/2080509-1247370021
PBS_JOBID= 9507139
Free space on /tmp= 66468 MiB

SOLVER NAME= Sugar v1.14.6+minisat
BENCH NAME= CPAI08/csp/queensKnights/normalized-queensKnights-10-5-add.xml
COMMAND LINE= DIR/sugar -c -vv -memlimit=MEMLIMIT -jar="DIR/sugar-v1-14-6.jar" -solver="DIR/minisat" -tmp="TMPDIR/temp" BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2080509-1247370021/watcher-2080509-1247370021 -o /tmp/evaluation-result-2080509-1247370021/solver-2080509-1247370021 -C 1800 -W 2000 -M 900  HOME/sugar -c -vv -memlimit=900 -jar="HOME/sugar-v1-14-6.jar" -solver="HOME/minisat" -tmp="HOME/temp" HOME/instance-2080509-1247370021.xml

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

MD5SUM BENCH= 7f40f39ce18aac0954c703f625811a4a
RANDOM SEED=1172658805

node47.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		: 3000.218
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		: 3000.218
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:       1369640 kB
Buffers:         67664 kB
Cached:         527948 kB
SwapCached:        136 kB
Active:          76840 kB
Inactive:       540256 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1369640 kB
SwapTotal:     4192956 kB
SwapFree:      4192820 kB
Dirty:            1412 kB
Writeback:           0 kB
Mapped:          32032 kB
Slab:            54420 kB
Committed_AS:   246436 kB
PageTables:       1840 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= 66468 MiB
End job on node47 at 2009-07-12 05:40:22