Trace number 1050479

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
casper zaoSAT 23.1965 23.2979

DiagnosticValue
CHECKS1018450

General information on the benchmark

Namecsp/ssa/
normalized-ssa-6288-047_ext.xml
MD5SUMbd5117be9dfe28e8e7aedfe41ee196c0
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.854869
Satisfiable
(Un)Satisfiability was proved
Number of variables10408
Number of constraints23563
Maximum constraint arity6
Maximum domain size2
Number of constraints which are defined in extension23563
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.18/0.21	c [ This is CaSPERzao (C) mvc@di.fct.unl.pt ]
0.18/0.21	c Parsing = 1
0.57/0.64	c Building = 1
0.68/0.78	c [ NumberOfVariables = 10408 ]
0.68/0.78	c [ NumberOfConstraints = 23563 ]
0.68/0.79	c [ SizeOfSearchSpace(log2) = 10406 ]
0.68/0.79	c SymmetrySearch = 1
2.38/2.41	c [ Found 32768 symmetries ]
3.17/3.21	c InitialPropagation = 1
3.17/3.28	c [ SizeOfSearchSpace(log2) = 10285 ]
3.17/3.28	c InitialSAC = 1
3.77/3.81	c [ SizeOfSearchSpace(log2) = 10285 ]
3.77/3.82	c Search(DomWDeg) = 1
23.10/23.28	s SATISFIABLE
23.10/23.28	v 1 0 1 0 1 0 0 0 0 0 1 0 1 0 0 1 1 0 1 1 0 0 1 1 1 0 0 1 1 1 1 0 0 0 1 1 0 1 1 0 1 1 0 1 1 0 1 1 0 1 0 0 0 1 0 1 0 1 1 1 0 0 0 0 0 1 1 0 1 0 0 1 0 1 0 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 1 0 0 1 1 1 1 0 1 1 0 0 1 1 0 0 0 0 0 1 0 1 1 0 0 0 0 1 0 1 1 0 1 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 1 1 0 1 0 1 1 0 1 1 0 0 1 1 0 0 1 0 1 1 0 0 0 1 0 1 1 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 1 0 1 0 0 1 1 1 1 1 0 0 1 0 1 1 0 0 0 1 1 0 0 1 1 0 1 0 0 0 1 1 0 0 0 0 1 1 0 1 1 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 1 0 1 1 0 0 0 1 0 1 1 0 0 0 1 0 1 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 1 1 1 0 0 0 1 1 1 1 1 0 0 1 0 1 0 1 1 0 0 0 0 1 0 1 0 0 0 1 1 1 0 0 0 0 1 1 0 0 0 0 0 0 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 1 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23.10/23.28	d CHECKS 1018449
23.10/23.28	c [ TotalFails = 3574 ]
23.10/23.28	c [ NumberOfRestarts = 5 ]
23.10/23.28	c [ TotalTime = 21.1259 secs ]

Verifier Data (download as text)

OK

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-1050479-1215050084/watcher-1050479-1215050084 -o /tmp/evaluation-result-1050479-1215050084/solver-1050479-1215050084 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/casperzao HOME/instance-1050479-1215050084.xml 1120927799 

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: 2.06 2.01 2.00 4/72 23445
/proc/meminfo: memFree=1758368/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=1056 CPUtime=0
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 40 0 0 0 0 0 0 0 19 0 1 0 1983980569 1081344 26 996147200 134512640 135477443 4294956224 18446744073709551615 3531556 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 264 26 20 235 0 3 0

[startup+0.196056 s]
/proc/loadavg: 2.06 2.01 2.00 4/72 23445
/proc/meminfo: memFree=1758368/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=8348 CPUtime=0.18
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 1183 0 0 0 18 0 0 0 18 0 1 0 1983980569 8548352 1143 996147200 134512640 135477443 4294956224 18446744073709551615 3966587 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 2087 1143 368 235 0 788 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 8348

[startup+0.20105 s]
/proc/loadavg: 2.06 2.01 2.00 4/72 23445
/proc/meminfo: memFree=1758368/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=8348 CPUtime=0.18
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 1201 0 0 0 18 0 0 0 18 0 1 0 1983980569 8548352 1161 996147200 134512640 135477443 4294956224 18446744073709551615 3966587 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 2087 1161 368 235 0 788 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 8348

[startup+0.301062 s]
/proc/loadavg: 2.06 2.01 2.00 4/72 23445
/proc/meminfo: memFree=1758368/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=9800 CPUtime=0.29
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 1557 0 0 0 28 1 0 0 19 0 1 0 1983980569 10035200 1517 996147200 134512640 135477443 4294956224 18446744073709551615 3966587 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 2450 1517 368 235 0 1151 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9800

[startup+0.701099 s]
/proc/loadavg: 2.06 2.01 2.00 4/72 23445
/proc/meminfo: memFree=1758368/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=107916 CPUtime=0.68
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 5278 0 0 0 65 3 0 0 22 0 1 0 1983980569 110505984 5238 996147200 134512640 135477443 4294956224 18446744073709551615 135271619 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 26979 5240 403 235 0 25680 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 107916

[startup+1.50117 s]
/proc/loadavg: 2.05 2.01 2.00 3/73 23446
/proc/meminfo: memFree=1708760/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=124584 CPUtime=1.48
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 12908 0 0 0 142 6 0 0 25 0 1 0 1983980569 127574016 12843 996147200 134512640 135477443 4294956224 18446744073709551615 134536191 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 31146 12843 440 235 0 29847 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 124584

[startup+3.10132 s]
/proc/loadavg: 2.05 2.01 2.00 3/73 23446
/proc/meminfo: memFree=1708120/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=230664 CPUtime=3.07
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 39045 0 0 0 290 17 0 0 25 0 1 0 1983980569 236199936 38980 996147200 134512640 135477443 4294956224 18446744073709551615 134667881 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 57666 38982 449 235 0 56367 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 230664

[startup+6.30162 s]
/proc/loadavg: 2.05 2.01 2.00 3/73 23446
/proc/meminfo: memFree=1710808/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=171948 CPUtime=6.26
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 42001 0 0 0 605 21 0 0 25 0 1 0 1983980569 176074752 12375 996147200 134512640 135477443 4294956224 18446744073709551615 135208668 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 42987 12375 484 235 0 41688 0
Current children cumulated CPU time (s) 6.26
Current children cumulated vsize (KiB) 171948

[startup+12.7012 s]
/proc/loadavg: 2.04 2.01 2.00 3/73 23446
/proc/meminfo: memFree=1708504/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=171960 CPUtime=12.63
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 42456 0 0 0 1242 21 0 0 25 0 1 0 1983980569 176087040 12830 996147200 134512640 135477443 4294956224 18446744073709551615 135208689 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 42990 12830 484 235 0 41691 0
Current children cumulated CPU time (s) 12.63
Current children cumulated vsize (KiB) 171960

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

[startup+12.8022 s]
/proc/loadavg: 2.04 2.01 2.00 3/73 23446
/proc/meminfo: memFree=1708504/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=171960 CPUtime=12.73
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 42456 0 0 0 1252 21 0 0 25 0 1 0 1983980569 176087040 12830 996147200 134512640 135477443 4294956224 18446744073709551615 135208694 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 42990 12830 484 235 0 41691 0
Current children cumulated CPU time (s) 12.73
Current children cumulated vsize (KiB) 171960

[startup+19.2018 s]
/proc/loadavg: 2.04 2.01 2.00 3/73 23446
/proc/meminfo: memFree=1707736/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=171964 CPUtime=19.1
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 42655 0 0 0 1889 21 0 0 25 0 1 0 1983980569 176091136 13029 996147200 134512640 135477443 4294956224 18446744073709551615 135208668 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 42991 13029 484 235 0 41692 0
Current children cumulated CPU time (s) 19.1
Current children cumulated vsize (KiB) 171964

[startup+20.802 s]
/proc/loadavg: 2.04 2.01 2.00 3/73 23446
/proc/meminfo: memFree=1707544/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=171976 CPUtime=20.7
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 42698 0 0 0 2048 22 0 0 25 0 1 0 1983980569 176103424 13072 996147200 134512640 135477443 4294956224 18446744073709551615 135208677 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 42994 13072 484 235 0 41695 0
Current children cumulated CPU time (s) 20.7
Current children cumulated vsize (KiB) 171976

[startup+22.4021 s]
/proc/loadavg: 2.04 2.01 2.00 3/73 23446
/proc/meminfo: memFree=1707544/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=171976 CPUtime=22.3
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 42698 0 0 0 2208 22 0 0 25 0 1 0 1983980569 176103424 13072 996147200 134512640 135477443 4294956224 18446744073709551615 135208648 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 42994 13072 484 235 0 41695 0
Current children cumulated CPU time (s) 22.3
Current children cumulated vsize (KiB) 171976

[startup+22.8012 s]
/proc/loadavg: 2.04 2.01 2.00 3/73 23446
/proc/meminfo: memFree=1707544/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=171976 CPUtime=22.69
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 42707 0 0 0 2247 22 0 0 25 0 1 0 1983980569 176103424 13081 996147200 134512640 135477443 4294956224 18446744073709551615 135208512 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 42994 13081 484 235 0 41695 0
Current children cumulated CPU time (s) 22.69
Current children cumulated vsize (KiB) 171976

[startup+23.2052 s]
/proc/loadavg: 2.04 2.01 2.00 3/73 23446
/proc/meminfo: memFree=1707352/2055920 swapFree=4180436/4192956
[pid=23445] ppid=23443 vsize=171976 CPUtime=23.1
/proc/23445/stat : 23445 (casperzao) R 23443 23445 22099 0 -1 4194304 42777 0 0 0 2288 22 0 0 25 0 1 0 1983980569 176103424 13151 996147200 134512640 135477443 4294956224 18446744073709551615 135208689 0 0 4096 0 0 0 0 17 1 0 0
/proc/23445/statm: 42994 13151 484 235 0 41695 0
Current children cumulated CPU time (s) 23.1
Current children cumulated vsize (KiB) 171976

Child status: 0
Real time (s): 23.2979
CPU time (s): 23.1965
CPU user time (s): 22.9655
CPU system time (s): 0.230964
CPU usage (%): 99.5648
Max. virtual memory (cumulated for all children) (KiB): 230664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 22.9655
system time used= 0.230964
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 42809
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= 16
involuntary context switches= 307

runsolver used 0.021996 second user time and 0.073988 second system time

The end

Launcher Data (download as text)

Begin job on node48 at 2008-07-03 03:54:44
IDJOB=1050479
IDBENCH=54980
IDSOLVER=361
FILE ID=node48/1050479-1215050084
PBS_JOBID= 7875080
Free space on /tmp= 66540 MiB

SOLVER NAME= casper zao
BENCH NAME= CPAI08/csp/ssa/normalized-ssa-6288-047_ext.xml
COMMAND LINE= HOME/casperzao BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1050479-1215050084/watcher-1050479-1215050084 -o /tmp/evaluation-result-1050479-1215050084/solver-1050479-1215050084 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/casperzao HOME/instance-1050479-1215050084.xml 1120927799 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= bd5117be9dfe28e8e7aedfe41ee196c0
RANDOM SEED=1120927799

node48.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		: 3000.231
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		: 3000.231
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:       1758848 kB
Buffers:         40032 kB
Cached:         179756 kB
SwapCached:       6720 kB
Active:         140876 kB
Inactive:        96172 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1758848 kB
SwapTotal:     4192956 kB
SwapFree:      4180436 kB
Dirty:            5492 kB
Writeback:           0 kB
Mapped:          24868 kB
Slab:            45292 kB
Committed_AS:  4154124 kB
PageTables:       1704 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= 66536 MiB
End job on node48 at 2008-07-03 03:55:07