Trace number 1048855

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 zitoSAT 4.03039 4.03685

DiagnosticValue
CHECKS3241330

General information on the benchmark

Namecsp/pseudo/ssa/
normalized-ssa-7552-158.xml
MD5SUMb5419cd38c56b51438d95cb41aa25f00
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.25996
Satisfiable
(Un)Satisfiability was proved
Number of variables2726
Number of constraints4393
Maximum constraint arity5
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4393
Global constraints used (with number of constraints)

Solver Data (download as text)

0.18/0.22	c [ This is CaSPERzito (C) mvc@di.fct.unl.pt ]
0.18/0.22	c Parsing = 1
0.18/0.22	c Building = 1
0.18/0.22	c [ NumberOfVariables = 2726 ]
0.18/0.22	c [ NumberOfConstraints = 4393 ]
0.18/0.22	c [ SizeOfSearchSpace(log2) = 2354 ]
0.18/0.22	c SymmetrySearch = 1
0.78/0.85	c [ Found 2.86149e+187 symmetries ]
0.88/0.91	c InitialPropagation = 1
0.88/0.91	c [ SizeOfSearchSpace(log2) = 2354 ]
0.88/0.91	c InitialSAC = (Timeout)
3.98/4.00	c [ SizeOfSearchSpace(log2) = 2270 ]
3.98/4.00	c Search(SampleFF) : 
3.98/4.03	c [ Sampling domwdeg ]
3.98/4.03	c Search(SampleFF) = 1
3.98/4.03	s SATISFIABLE
3.98/4.03	v 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 1 1 0 1 0 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 0 0 0 1 0 1 0 0 1 0 0 0 1 0 0 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 0 0 1 0 1 0 1 0 1 0 1 0 0 1 0 0 1 0 1 0 0 0 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 1 0 1 0 1 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 1 0 1 0 1 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 0 0 1 0 1 1 0 1 0 1 0 1 0 0 1 1 0 1 0 0 1 0 1 0 0 1 0 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 1 1 0 1 0 0 1 1 0 1 0 0 1 1 0 1 0 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 1 1 0 0 1 0 1 1 0 0 1 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3.98/4.03	d CHECKS 3241331
3.98/4.03	c [ TotalFails = 1 ]
3.98/4.03	c [ NumberOfRestarts = 0 ]
3.98/4.03	c [ TotalTime = 3.87218 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-1048855-1215044177/watcher-1048855-1215044177 -o /tmp/evaluation-result-1048855-1215044177/solver-1048855-1215044177 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/casperzito HOME/instance-1048855-1215044177.xml 354718622 

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: 1.91 1.98 1.91 4/74 1772
/proc/meminfo: memFree=1797520/2055920 swapFree=4181172/4192956
[pid=1772] ppid=1770 vsize=2620 CPUtime=0
/proc/1772/stat : 1772 (casperzito) D 1770 1772 32315 0 -1 4194304 62 0 0 0 0 0 0 0 18 0 1 0 245360416 2682880 45 996147200 134512640 135472138 4294956224 18446744073709551615 2601764 0 2147483391 4096 0 18446744072099855350 0 0 17 0 0 0
/proc/1772/statm: 655 45 33 234 0 14 0

[startup+0.0149819 s]
/proc/loadavg: 1.91 1.98 1.91 4/74 1772
/proc/meminfo: memFree=1797520/2055920 swapFree=4181172/4192956
[pid=1772] ppid=1770 vsize=5436 CPUtime=0
/proc/1772/stat : 1772 (casperzito) R 1770 1772 32315 0 -1 4194304 467 0 0 0 0 0 0 0 18 0 1 0 245360416 5566464 427 996147200 134512640 135472138 4294956224 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/1772/statm: 1359 427 362 234 0 61 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5436

[startup+0.101998 s]
/proc/loadavg: 1.91 1.98 1.91 4/74 1772
/proc/meminfo: memFree=1797520/2055920 swapFree=4181172/4192956
[pid=1772] ppid=1770 vsize=6624 CPUtime=0.09
/proc/1772/stat : 1772 (casperzito) R 1770 1772 32315 0 -1 4194304 764 0 0 0 8 1 0 0 18 0 1 0 245360416 6782976 724 996147200 134512640 135472138 4294956224 18446744073709551615 3036795 0 0 4096 0 0 0 0 17 0 0 0
/proc/1772/statm: 1656 724 368 234 0 358 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6624

[startup+0.301038 s]
/proc/loadavg: 1.91 1.98 1.91 4/74 1772
/proc/meminfo: memFree=1797520/2055920 swapFree=4181172/4192956
[pid=1772] ppid=1770 vsize=105340 CPUtime=0.28
/proc/1772/stat : 1772 (casperzito) R 1770 1772 32315 0 -1 4194304 2394 0 0 0 27 1 0 0 19 0 1 0 245360416 107868160 2354 996147200 134512640 135472138 4294956224 18446744073709551615 134535929 0 0 4096 0 0 0 0 17 0 0 0
/proc/1772/statm: 26335 2354 448 234 0 25037 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 105340

[startup+0.701113 s]
/proc/loadavg: 1.91 1.98 1.91 4/74 1772
/proc/meminfo: memFree=1797520/2055920 swapFree=4181172/4192956
[pid=1772] ppid=1770 vsize=105604 CPUtime=0.68
/proc/1772/stat : 1772 (casperzito) R 1770 1772 32315 0 -1 4194304 2567 0 0 0 67 1 0 0 24 0 1 0 245360416 108138496 2527 996147200 134512640 135472138 4294956224 18446744073709551615 134539662 0 0 4096 0 0 0 0 17 0 0 0
/proc/1772/statm: 26401 2527 449 234 0 25103 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 105604

[startup+1.50127 s]
/proc/loadavg: 1.92 1.98 1.91 3/75 1773
/proc/meminfo: memFree=1788744/2055920 swapFree=4181172/4192956
[pid=1772] ppid=1770 vsize=104916 CPUtime=1.48
/proc/1772/stat : 1772 (casperzito) R 1770 1772 32315 0 -1 4194304 4500 0 0 0 146 2 0 0 25 0 1 0 245360416 107433984 2474 996147200 134512640 135472138 4294956224 18446744073709551615 134874303 0 0 4096 0 0 0 0 17 0 0 0
/proc/1772/statm: 26229 2474 472 234 0 24931 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 104916

[startup+3.10158 s]
/proc/loadavg: 1.92 1.98 1.91 3/75 1773
/proc/meminfo: memFree=1788616/2055920 swapFree=4181172/4192956
[pid=1772] ppid=1770 vsize=104916 CPUtime=3.08
/proc/1772/stat : 1772 (casperzito) R 1770 1772 32315 0 -1 4194304 4524 0 0 0 306 2 0 0 25 0 1 0 245360416 107433984 2498 996147200 134512640 135472138 4294956224 18446744073709551615 134672497 0 0 4096 0 0 0 0 17 0 0 0
/proc/1772/statm: 26229 2498 472 234 0 24931 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 104916

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

[startup+3.50166 s]
/proc/loadavg: 1.92 1.98 1.91 3/75 1773
/proc/meminfo: memFree=1788552/2055920 swapFree=4181172/4192956
[pid=1772] ppid=1770 vsize=104916 CPUtime=3.48
/proc/1772/stat : 1772 (casperzito) R 1770 1772 32315 0 -1 4194304 4527 0 0 0 346 2 0 0 25 0 1 0 245360416 107433984 2501 996147200 134512640 135472138 4294956224 18446744073709551615 134578572 0 0 4096 0 0 0 0 17 0 0 0
/proc/1772/statm: 26229 2501 472 234 0 24931 0
Current children cumulated CPU time (s) 3.48
Current children cumulated vsize (KiB) 104916

[startup+3.90273 s]
/proc/loadavg: 1.92 1.98 1.91 3/75 1773
/proc/meminfo: memFree=1788552/2055920 swapFree=4181172/4192956
[pid=1772] ppid=1770 vsize=104916 CPUtime=3.88
/proc/1772/stat : 1772 (casperzito) R 1770 1772 32315 0 -1 4194304 4530 0 0 0 386 2 0 0 25 0 1 0 245360416 107433984 2504 996147200 134512640 135472138 4294956224 18446744073709551615 135264400 0 0 4096 0 0 0 0 17 0 0 0
/proc/1772/statm: 26229 2504 472 234 0 24931 0
Current children cumulated CPU time (s) 3.88
Current children cumulated vsize (KiB) 104916

[startup+4.00275 s]
/proc/loadavg: 1.92 1.98 1.91 3/75 1773
/proc/meminfo: memFree=1788552/2055920 swapFree=4181172/4192956
[pid=1772] ppid=1770 vsize=104916 CPUtime=3.98
/proc/1772/stat : 1772 (casperzito) R 1770 1772 32315 0 -1 4194304 4551 0 0 0 396 2 0 0 25 0 1 0 245360416 107433984 2525 996147200 134512640 135472138 4294956224 18446744073709551615 135185846 0 0 4096 0 0 0 0 17 0 0 0
/proc/1772/statm: 26229 2525 493 234 0 24931 0
Current children cumulated CPU time (s) 3.98
Current children cumulated vsize (KiB) 104916

Child status: 0
Real time (s): 4.03685
CPU time (s): 4.03039
CPU user time (s): 4.00039
CPU system time (s): 0.029995
CPU usage (%): 99.8399
Max. virtual memory (cumulated for all children) (KiB): 112864

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.00039
system time used= 0.029995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4643
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= 41

runsolver used 0.006998 second user time and 0.014997 second system time

The end

Launcher Data (download as text)

Begin job on node85 at 2008-07-03 02:16:17
IDJOB=1048855
IDBENCH=54519
IDSOLVER=362
FILE ID=node85/1048855-1215044177
PBS_JOBID= 7875008
Free space on /tmp= 126848 MiB

SOLVER NAME= casper zito
BENCH NAME= CPAI08/csp/pseudo/ssa/normalized-ssa-7552-158.xml
COMMAND LINE= HOME/casperzito BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1048855-1215044177/watcher-1048855-1215044177 -o /tmp/evaluation-result-1048855-1215044177/solver-1048855-1215044177 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/casperzito HOME/instance-1048855-1215044177.xml 354718622 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= b5419cd38c56b51438d95cb41aa25f00
RANDOM SEED=354718622

node85.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		: 3000.272
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		: 3000.272
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1797936 kB
Buffers:         28968 kB
Cached:         148012 kB
SwapCached:       5532 kB
Active:          86348 kB
Inactive:       111328 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1797936 kB
SwapTotal:     4192956 kB
SwapFree:      4181172 kB
Dirty:            3912 kB
Writeback:           0 kB
Mapped:          27216 kB
Slab:            45872 kB
Committed_AS:   572944 kB
PageTables:       1532 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= 126848 MiB
End job on node85 at 2008-07-03 02:16:21