Trace number 360555

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, and are wall clock time (not CPU 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
Pueblo 1.4SAT 6.24705 6.26216

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_2.opb.PB06.opb
MD5SUM2882e17c9be8b3b8a5ac8492f26b9dcd
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark1.9347
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1600
Total number of constraints328901
Number of constraints which are clauses327070
Number of constraints which are cardinality constraints (but not clauses)61
Number of constraints which are nor clauses,nor cardinality constraints1770
Minimum length of a constraint2
Maximum length of a constraint700
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 280
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 825
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

0.00/0.00	c Pueblo version 1.4 (September 2005)
0.00/0.00	c Developed @ University of Michigan, Ann Arbor, MI
0.00/0.00	c  by Hossein Sheini
5.48/5.54	c starting to Solve
5.48/5.54	c #variables read: 1600 - #constraints read: 328962
6.18/6.25	c total time              : 6.23 s
6.18/6.25	s SATISFIABLE
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Verifier Data (download as text)

OK	0

Conversion Script Data (download as text)

/tmp/evaluation/360555-1176970787/instance-360555-1176970787.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node14/watcher-360555-1176970787 -o ROOT/results/node14/solver-360555-1176970787 -C 1800 -W 3600 -M 1800 --output-limit 1,15 Pueblo /tmp/evaluation/360555-1176970787/instance-360555-1176970787.opb 

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): 3600 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 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: 1.08 1.03 1.01 3/77 14509
/proc/meminfo: memFree=1806080/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=2552 CPUtime=0
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 266 0 0 0 0 0 0 0 18 0 1 0 144996450 2613248 236 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134546422 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 638 236 199 16 0 77 0

[startup+0.104774 s]
/proc/loadavg: 1.08 1.03 1.01 3/77 14509
/proc/meminfo: memFree=1806080/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=3748 CPUtime=0.1
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 573 0 0 0 10 0 0 0 18 0 1 0 144996450 3837952 543 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134546735 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 937 543 199 16 0 376 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 3748

[startup+0.202795 s]
/proc/loadavg: 1.08 1.03 1.01 3/77 14509
/proc/meminfo: memFree=1806080/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=4816 CPUtime=0.19
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 851 0 0 0 19 0 0 0 18 0 1 0 144996450 4931584 821 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134544621 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 1204 821 199 16 0 643 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 4816

[startup+0.302792 s]
/proc/loadavg: 1.08 1.03 1.01 3/77 14509
/proc/meminfo: memFree=1806080/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=6016 CPUtime=0.29
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 1133 0 0 0 29 0 0 0 19 0 1 0 144996450 6160384 1103 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134546598 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 1504 1104 199 16 0 943 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6016

[startup+0.70183 s]
/proc/loadavg: 1.08 1.03 1.01 3/77 14509
/proc/meminfo: memFree=1806080/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=10544 CPUtime=0.68
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 2256 0 0 0 68 0 0 0 23 0 1 0 144996450 10797056 2226 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 7095068 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 2636 2226 199 16 0 2075 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 10544

[startup+1.5019 s]
/proc/loadavg: 1.08 1.03 1.01 2/78 14510
/proc/meminfo: memFree=1792952/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=19336 CPUtime=1.48
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 4462 0 0 0 146 2 0 0 25 0 1 0 144996450 19800064 4432 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 7392983 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 4834 4432 199 16 0 4273 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 19336

[startup+3.10106 s]
/proc/loadavg: 1.08 1.03 1.01 2/78 14510
/proc/meminfo: memFree=1781368/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=36652 CPUtime=3.08
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 8809 0 0 0 304 4 0 0 25 0 1 0 144996450 37531648 8779 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 9163 8779 199 16 0 8602 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 36652

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

[startup+3.20107 s]
/proc/loadavg: 1.08 1.03 1.01 2/78 14510
/proc/meminfo: memFree=1781368/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=37720 CPUtime=3.17
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 9077 0 0 0 313 4 0 0 25 0 1 0 144996450 38625280 9047 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 7392983 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 9430 9047 199 16 0 8869 0
Current children cumulated CPU time (s) 3.17
Current children cumulated vsize (KiB) 37720

[startup+4.80122 s]
/proc/loadavg: 1.08 1.03 1.01 2/78 14510
/proc/meminfo: memFree=1760120/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=49088 CPUtime=4.78
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 11841 0 0 0 472 6 0 0 25 0 1 0 144996450 50266112 11779 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134555831 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 12272 11779 204 16 0 11711 0
Current children cumulated CPU time (s) 4.78
Current children cumulated vsize (KiB) 49088

[startup+5.60529 s]
/proc/loadavg: 1.08 1.03 1.01 2/78 14510
/proc/meminfo: memFree=1752696/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=58168 CPUtime=5.58
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 14007 0 0 0 551 7 0 0 25 0 1 0 144996450 59564032 13945 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134517933 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 14542 13945 206 16 0 13981 0
Current children cumulated CPU time (s) 5.58
Current children cumulated vsize (KiB) 58168

[startup+6.00133 s]
/proc/loadavg: 1.08 1.03 1.01 2/78 14510
/proc/meminfo: memFree=1752696/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=58168 CPUtime=5.97
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 14007 0 0 0 590 7 0 0 25 0 1 0 144996450 59564032 13945 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134559533 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 14542 13945 206 16 0 13981 0
Current children cumulated CPU time (s) 5.97
Current children cumulated vsize (KiB) 58168

[startup+6.20135 s]
/proc/loadavg: 1.08 1.03 1.01 2/78 14510
/proc/meminfo: memFree=1752696/2055920 swapFree=4148736/4192956
[pid=14509] ppid=14507 vsize=58168 CPUtime=6.18
/proc/14509/stat : 14509 (Pueblo) R 14507 14509 14098 0 -1 4194304 14007 0 0 0 610 8 0 0 25 0 1 0 144996450 59564032 13945 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134519932 0 0 4096 0 0 0 0 17 1 0 0
/proc/14509/statm: 14542 13945 206 16 0 13981 0
Current children cumulated CPU time (s) 6.18
Current children cumulated vsize (KiB) 58168

Child status: 10
Real time (s): 6.26216
CPU time (s): 6.24705
CPU user time (s): 6.15506
CPU system time (s): 0.091986
CPU usage (%): 99.7587
Max. virtual memory (cumulated for all children) (KiB): 58168

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.15506
system time used= 0.091986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 14013
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= 13
involuntary context switches= 130

runsolver used 0.009998 second user time and 0.018997 second system time

The end

Launcher Data (download as text)

Begin job on node14 on Thu Apr 19 08:19:47 UTC 2007

IDJOB= 360555
IDBENCH= 1379
IDSOLVER= 165
FILE ID= node14/360555-1176970787

PBS_JOBID= 4630303

Free space on /tmp= 66195 MiB

SOLVER NAME= Pueblo 1.4
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_2.opb.PB06.opb
COMMAND LINE= Pueblo /tmp/evaluation/360555-1176970787/instance-360555-1176970787.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node14/convwatcher-360555-1176970787 -o ROOT/results/node14/conversion-360555-1176970787 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/360555-1176970787/instance-360555-1176970787.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node14/watcher-360555-1176970787 -o ROOT/results/node14/solver-360555-1176970787 -C 1800 -W 3600 -M 1800 --output-limit 1,15  Pueblo /tmp/evaluation/360555-1176970787/instance-360555-1176970787.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  2882e17c9be8b3b8a5ac8492f26b9dcd

RANDOM SEED= 922820163

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node14.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.227
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		: 3000.227
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:       1806424 kB
Buffers:         34800 kB
Cached:         148412 kB
SwapCached:      11472 kB
Active:         137056 kB
Inactive:        71836 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1806424 kB
SwapTotal:     4192956 kB
SwapFree:      4148736 kB
Dirty:           13548 kB
Writeback:           0 kB
Mapped:          32652 kB
Slab:            26084 kB
Committed_AS:  6647484 kB
PageTables:       1792 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= 66195 MiB

End job on node14 on Thu Apr 19 08:19:53 UTC 2007