Trace number 1081527

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+picosatUNSAT 1.24581 1.32161

General information on the benchmark

Namecsp/knights/
normalized-knights-25-5.xml
MD5SUM7db82ba6d255c2ecb99a834eebcb3238
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 benchmark0.825873
Satisfiable
(Un)Satisfiability was proved
Number of variables5
Number of constraints10
Maximum constraint arity2
Maximum domain size625
Number of constraints which are defined in extension0
Number of constraints which are defined in intension10
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.04	c 0	Sugar v1-13 + HOME/picosat
0.00/0.04	c 0	BEGIN Sat Jul  5 02:22:52 2008
0.00/0.04	c 0	PID 14858
0.00/0.05	c 0	HOST node11.alineos.net
0.00/0.05	c 0	CONVERTING HOME/instance-1081527-1215217372.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-1081527-1215217372.xml' 'HOME/temp.csp'
0.04/0.19	c 0	1 domains, 5 variables, 2 predicates, 0 relations, 10 constraints
0.04/0.20	c 0	ENCODING HOME/temp.csp TO HOME/temp.cnf
0.04/0.20	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'
0.04/0.29	c 0	Parsing HOME/temp.csp
0.16/0.31	c 0	parsed 18 expressions
0.16/0.32	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
0.16/0.32	c 0	Converting to clausal form CSP
0.16/0.34	c 0	converted 2 (10%) expressions
0.16/0.34	c 0	converted 4 (20%) expressions
0.16/0.34	c 0	converted 6 (30%) expressions
0.16/0.34	c 0	converted 8 (40%) expressions
0.16/0.36	c 0	converted 9 (50%) expressions
0.16/0.36	c 0	converted 11 (60%) expressions
0.16/0.37	c 0	converted 13 (70%) expressions
0.16/0.37	c 0	converted 15 (80%) expressions
0.16/0.38	c 0	converted 17 (90%) expressions
0.16/0.38	c 0	converted 18 (100%) expressions
0.16/0.38	c 0	CSP : 25 integers, 10 booleans, 90 clauses, largest domain size 625
0.16/0.38	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
0.16/0.38	c 0	Propagation in CSP
0.16/0.39	c 0	0 values, 0 unsatisfiable literals, and 0 valid clauses are removed
0.16/0.39	c 0	CSP : 25 integers, 10 booleans, 90 clauses, largest domain size 625
0.16/0.39	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
0.16/0.39	c 0	Simplifing CSP by introducing new Boolean variables
0.16/0.40	c 0	CSP : 25 integers, 60 booleans, 140 clauses, largest domain size 625
0.16/0.40	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
0.16/0.42	c 0	Encoding CSP to SAT : HOME/temp.cnf
0.16/0.44	c 0	3 (10%) CSP integer variables are encoded (1869 clauses, 22152 bytes)
0.16/0.45	c 0	5 (20%) CSP integer variables are encoded (3115 clauses, 38350 bytes)
0.16/0.45	c 0	8 (30%) CSP integer variables are encoded (3184 clauses, 39247 bytes)
0.16/0.45	c 0	10 (40%) CSP integer variables are encoded (3230 clauses, 39845 bytes)
0.16/0.45	c 0	13 (50%) CSP integer variables are encoded (3299 clauses, 40742 bytes)
0.16/0.45	c 0	15 (60%) CSP integer variables are encoded (3345 clauses, 41340 bytes)
0.16/0.45	c 0	18 (70%) CSP integer variables are encoded (3414 clauses, 42237 bytes)
0.16/0.45	c 0	20 (80%) CSP integer variables are encoded (3460 clauses, 42835 bytes)
0.16/0.45	c 0	23 (90%) CSP integer variables are encoded (3529 clauses, 43732 bytes)
0.16/0.45	c 0	25 (100%) CSP integer variables are encoded (3575 clauses, 44330 bytes)
0.16/0.47	c 0	14 (10%) CSP clauses are encoded (8665 clauses, 131974 bytes)
0.16/0.47	c 0	28 (20%) CSP clauses are encoded (8947 clauses, 137264 bytes)
0.16/0.48	c 0	42 (30%) CSP clauses are encoded (13993 clauses, 227840 bytes)
0.16/0.48	c 0	56 (40%) CSP clauses are encoded (14253 clauses, 232711 bytes)
0.16/0.49	c 0	70 (50%) CSP clauses are encoded (16921 clauses, 281046 bytes)
0.16/0.49	c 0	84 (60%) CSP clauses are encoded (17203 clauses, 286336 bytes)
0.16/0.50	c 0	98 (70%) CSP clauses are encoded (22249 clauses, 378340 bytes)
0.16/0.50	c 0	112 (80%) CSP clauses are encoded (22509 clauses, 383211 bytes)
0.16/0.50	c 0	126 (90%) CSP clauses are encoded (23954 clauses, 410584 bytes)
0.16/0.50	c 0	140 (100%) CSP clauses are encoded (24215 clauses, 415474 bytes)
0.16/0.50	c 0	140 CSP clauses encoded
0.16/0.51	c 0	Writing map file : HOME/temp.map
0.16/0.51	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
0.16/0.51	c 0	SAT : 3660 SAT variables, 24215 SAT clauses, 415474 bytes
0.16/0.51	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
0.16/0.53	c 0	SOLVING HOME/temp.cnf
0.16/0.53	c 0	CMD HOME/picosat 'HOME/temp.cnf' -o 'HOME/temp.out'
1.03/1.19	c 1	DECODING HOME/temp.out WITH HOME/temp.map
1.03/1.19	c 1	CMD java -Xmx700M -cp 'HOME/sugar-v1-13.jar' jp.ac.kobe_u.cs.sugar.SugarMain -competition -decode 'HOME/temp.out' 'HOME/temp.map'
1.12/1.29	c 1	Decoding HOME/temp.out
1.12/1.30	s UNSATISFIABLE
1.12/1.31	c 1	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
1.12/1.32	c 1	CPU 1.03 (0.03 0.01 1 0.19)
1.12/1.32	c 1	END Sat Jul  5 02:22:53 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-1081527-1215217372/watcher-1081527-1215217372 -o /tmp/evaluation-result-1081527-1215217372/solver-1081527-1215217372 -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/picosat -tmp=HOME/temp HOME/instance-1081527-1215217372.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: 1.92 1.98 1.99 4/80 14858
/proc/meminfo: memFree=1648416/2055920 swapFree=4179968/4192956
[pid=14858] ppid=14856 vsize=18572 CPUtime=0
/proc/14858/stat : 14858 (runsolver) R 14856 14858 11308 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 2000712011 19017728 292 996147200 4194304 4296836 548682068224 18446744073709551615 262910045479 0 0 4096 24578 0 0 0 17 1 0 0
/proc/14858/statm: 4643 292 257 25 0 2626 0

[startup+0.0649351 s]
/proc/loadavg: 1.92 1.98 1.99 4/80 14858
/proc/meminfo: memFree=1648416/2055920 swapFree=4179968/4192956
[pid=14858] ppid=14856 vsize=13600 CPUtime=0.04
/proc/14858/stat : 14858 (sugar) S 14856 14858 11308 0 -1 4194304 900 128 0 0 3 1 0 0 19 0 1 0 2000712011 13926400 796 996147200 4194304 4206940 548682068560 18446744073709551615 262918942818 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/14858/statm: 3400 796 370 3 0 500 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 13600

[startup+0.101938 s]
/proc/loadavg: 1.92 1.98 1.99 4/80 14858
/proc/meminfo: memFree=1648416/2055920 swapFree=4179968/4192956
[pid=14858] ppid=14856 vsize=13600 CPUtime=0.04
/proc/14858/stat : 14858 (sugar) S 14856 14858 11308 0 -1 4194304 900 128 0 0 3 1 0 0 19 0 1 0 2000712011 13926400 796 996147200 4194304 4206940 548682068560 18446744073709551615 262918942818 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/14858/statm: 3400 796 370 3 0 500 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 13600

[startup+0.301962 s]
/proc/loadavg: 1.92 1.98 1.99 4/80 14858
/proc/meminfo: memFree=1648416/2055920 swapFree=4179968/4192956
[pid=14858] ppid=14856 vsize=13600 CPUtime=0.16
/proc/14858/stat : 14858 (sugar) S 14856 14858 11308 0 -1 4194304 972 3990 0 1 3 1 10 2 16 0 1 0 2000712011 13926400 797 996147200 4194304 4206940 548682068560 18446744073709551615 262918942818 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/14858/statm: 3400 797 370 3 0 500 0
Current children cumulated CPU time (s) 0.16
Current children cumulated vsize (KiB) 13600

[startup+0.702013 s]
/proc/loadavg: 1.92 1.98 1.99 4/80 14858
/proc/meminfo: memFree=1648416/2055920 swapFree=4179968/4192956
[pid=14858] ppid=14856 vsize=13600 CPUtime=0.47
/proc/14858/stat : 14858 (sugar) S 14856 14858 11308 0 -1 4194304 1020 9174 0 2 3 1 37 6 17 0 1 0 2000712011 13926400 797 996147200 4194304 4206940 548682068560 18446744073709551615 262918942818 0 0 4224 16386 18446744071563648864 0 0 17 0 0 0
/proc/14858/statm: 3400 797 370 3 0 500 0
Current children cumulated CPU time (s) 0.47
Current children cumulated vsize (KiB) 13600

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

[startup+1.10706 s]
/proc/loadavg: 1.92 1.98 1.99 3/83 14882
/proc/meminfo: memFree=1644744/2055920 swapFree=4179968/4192956
[pid=14858] ppid=14856 vsize=13600 CPUtime=0.47
/proc/14858/stat : 14858 (sugar) S 14856 14858 11308 0 -1 4194304 1020 9174 0 2 3 1 37 6 17 0 1 0 2000712011 13926400 797 996147200 4194304 4206940 548682068560 18446744073709551615 262918942818 0 0 4224 16386 18446744071563648864 0 0 17 0 0 0
/proc/14858/statm: 3400 797 370 3 0 500 0
[pid=14881] ppid=14858 vsize=5356 CPUtime=0
/proc/14881/stat : 14881 (sh) S 14858 14858 11308 0 -1 4194304 277 0 0 0 0 0 0 0 18 0 1 0 2000712064 5484544 232 996147200 4194304 4889804 548682068800 18446744073709551615 262910042948 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/14881/statm: 1339 232 193 169 0 50 0
[pid=14882] ppid=14881 vsize=1848 CPUtime=0.56
/proc/14882/stat : 14882 (picosat) R 14881 14858 11308 0 -1 4194304 377 0 0 0 46 10 0 0 22 0 1 0 2000712064 1892352 363 996147200 134512640 134931368 4294956208 18446744073709551615 134525788 0 0 4096 0 0 0 0 17 0 0 0
/proc/14882/statm: 462 363 42 102 0 357 0
Current children cumulated CPU time (s) 1.03
Current children cumulated vsize (KiB) 20804

[startup+1.30108 s]
/proc/loadavg: 1.92 1.98 1.99 3/83 14882
/proc/meminfo: memFree=1644744/2055920 swapFree=4179968/4192956
[pid=14858] ppid=14856 vsize=13600 CPUtime=1.12
/proc/14858/stat : 14858 (sugar) S 14856 14858 11308 0 -1 4194304 1086 9847 0 2 3 1 92 16 16 0 1 0 2000712011 13926400 797 996147200 4194304 4206940 548682068560 18446744073709551615 262918942818 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/14858/statm: 3400 797 370 3 0 500 0
Current children cumulated CPU time (s) 1.12
Current children cumulated vsize (KiB) 13600

Child status: 0
Real time (s): 1.32161
CPU time (s): 1.24581
CPU user time (s): 1.03784
CPU system time (s): 0.207968
CPU usage (%): 94.2648
Max. virtual memory (cumulated for all children) (KiB): 20804

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.03784
system time used= 0.207968
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 14603
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= 740
involuntary context switches= 583

runsolver used 0.005999 second user time and 0.009998 second system time

The end

Launcher Data (download as text)

Begin job on node11 at 2008-07-05 02:22:52
IDJOB=1081527
IDBENCH=57109
IDSOLVER=345
FILE ID=node11/1081527-1215217372
PBS_JOBID= 7881640
Free space on /tmp= 66548 MiB

SOLVER NAME= Sugar v1.13+picosat
BENCH NAME= CPAI08/csp/knights/normalized-knights-25-5.xml
COMMAND LINE= DIR/sugar -c -vv -java="java -Xmx700M" -jar="DIR/sugar-v1-13.jar" -solver="DIR/picosat" -tmp="TMPDIR/temp" BENCHNAME
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1081527-1215217372/watcher-1081527-1215217372 -o /tmp/evaluation-result-1081527-1215217372/solver-1081527-1215217372 -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/picosat" -tmp="HOME/temp" HOME/instance-1081527-1215217372.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 7db82ba6d255c2ecb99a834eebcb3238
RANDOM SEED=201899187

node11.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		: 3000.224
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		: 3000.224
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:       1648896 kB
Buffers:         65560 kB
Cached:         166764 kB
SwapCached:       7036 kB
Active:         266892 kB
Inactive:        83532 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1648896 kB
SwapTotal:     4192956 kB
SwapFree:      4179968 kB
Dirty:            1328 kB
Writeback:           0 kB
Mapped:         118952 kB
Slab:            41552 kB
Committed_AS:  4088276 kB
PageTables:       2044 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= 66548 MiB
End job on node11 at 2008-07-05 02:22:53