Trace number 360541

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 8.21875 8.22895

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_3.opb.PB06.opb
MD5SUMe3c4907f9ed288ddc262ad274eebff0f
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 benchmark3.55046
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 282
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 831
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
5.49/5.56	c starting to Solve
5.49/5.56	c #variables read: 1600 - #constraints read: 328962
8.18/8.21	c total time              : 8.2 s
8.18/8.21	s SATISFIABLE
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Verifier Data (download as text)

OK	0

Conversion Script Data (download as text)

/tmp/evaluation/360541-1176970718/instance-360541-1176970718.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/node19/watcher-360541-1176970718 -o ROOT/results/node19/solver-360541-1176970718 -C 1800 -W 3600 -M 1800 --output-limit 1,15 Pueblo /tmp/evaluation/360541-1176970718/instance-360541-1176970718.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: 0.99 1.07 1.04 3/77 24171
/proc/meminfo: memFree=1769472/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=2552 CPUtime=0
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 266 0 0 0 0 0 0 0 18 0 1 0 144989202 2613248 236 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 7950039 0 0 4096 0 0 0 0 17 1 0 0
/proc/24171/statm: 638 236 199 16 0 77 0

[startup+0.010218 s]
/proc/loadavg: 0.99 1.07 1.04 3/77 24171
/proc/meminfo: memFree=1769472/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=2684 CPUtime=0
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 295 0 0 0 0 0 0 0 18 0 1 0 144989202 2748416 265 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 7787697 0 0 4096 0 0 0 0 17 1 0 0
/proc/24171/statm: 671 265 199 16 0 110 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2684

[startup+0.101228 s]
/proc/loadavg: 0.99 1.07 1.04 3/77 24171
/proc/meminfo: memFree=1769472/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=3748 CPUtime=0.09
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 561 0 0 0 9 0 0 0 18 0 1 0 144989202 3837952 531 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 7950039 0 0 4096 0 0 0 0 17 1 0 0
/proc/24171/statm: 937 531 199 16 0 376 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3748

[startup+0.30125 s]
/proc/loadavg: 0.99 1.07 1.04 3/77 24171
/proc/meminfo: memFree=1769472/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=5880 CPUtime=0.29
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 1120 0 0 0 29 0 0 0 20 0 1 0 144989202 6021120 1090 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134544450 0 0 4096 0 0 0 0 17 1 0 0
/proc/24171/statm: 1470 1090 199 16 0 909 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5880

[startup+0.701293 s]
/proc/loadavg: 0.99 1.07 1.04 3/77 24171
/proc/meminfo: memFree=1769472/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=10412 CPUtime=0.69
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 2248 0 0 0 68 1 0 0 23 0 1 0 144989202 10661888 2218 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134546937 0 0 4096 0 0 0 0 17 1 0 0
/proc/24171/statm: 2603 2218 199 16 0 2042 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10412

[startup+1.50138 s]
/proc/loadavg: 0.99 1.07 1.04 2/78 24172
/proc/meminfo: memFree=1758136/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=19336 CPUtime=1.49
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 4460 0 0 0 147 2 0 0 25 0 1 0 144989202 19800064 4430 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 7950039 0 0 4096 0 0 0 0 17 1 0 0
/proc/24171/statm: 4834 4432 199 16 0 4273 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 19336

[startup+3.10156 s]
/proc/loadavg: 0.99 1.07 1.03 2/78 24172
/proc/meminfo: memFree=1746040/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=36520 CPUtime=3.09
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 8770 0 0 0 304 5 0 0 25 0 1 0 144989202 37396480 8740 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 7943964 0 0 4096 0 0 0 0 17 0 0 0
/proc/24171/statm: 9130 8740 199 16 0 8569 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 36520

[startup+6.3019 s]
/proc/loadavg: 0.99 1.07 1.03 2/78 24172
/proc/meminfo: memFree=1718136/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=58180 CPUtime=6.28
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 13978 0 0 0 620 8 0 0 25 0 1 0 144989202 59576320 13948 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134517903 0 0 4096 0 0 0 0 17 1 0 0
/proc/24171/statm: 14545 13948 206 16 0 13984 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 58180

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

[startup+7.10299 s]
/proc/loadavg: 0.99 1.07 1.03 2/78 24172
/proc/meminfo: memFree=1714296/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=58180 CPUtime=7.08
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 13978 0 0 0 700 8 0 0 25 0 1 0 144989202 59576320 13948 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134517903 0 0 4096 0 0 0 0 17 1 0 0
/proc/24171/statm: 14545 13948 206 16 0 13984 0
Current children cumulated CPU time (s) 7.08
Current children cumulated vsize (KiB) 58180

[startup+7.90107 s]
/proc/loadavg: 0.99 1.07 1.03 2/78 24172
/proc/meminfo: memFree=1714296/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=58180 CPUtime=7.88
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 13978 0 0 0 780 8 0 0 25 0 1 0 144989202 59576320 13948 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527715 0 0 4096 0 0 0 0 17 1 0 0
/proc/24171/statm: 14545 13948 206 16 0 13984 0
Current children cumulated CPU time (s) 7.88
Current children cumulated vsize (KiB) 58180

[startup+8.1011 s]
/proc/loadavg: 0.99 1.07 1.03 2/78 24172
/proc/meminfo: memFree=1714296/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=58180 CPUtime=8.08
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 13978 0 0 0 800 8 0 0 25 0 1 0 144989202 59576320 13948 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134524544 0 0 4096 0 0 0 0 17 1 0 0
/proc/24171/statm: 14545 13948 206 16 0 13984 0
Current children cumulated CPU time (s) 8.08
Current children cumulated vsize (KiB) 58180

[startup+8.20111 s]
/proc/loadavg: 0.99 1.07 1.03 2/78 24172
/proc/meminfo: memFree=1714296/2055920 swapFree=4159444/4192956
[pid=24171] ppid=24169 vsize=58180 CPUtime=8.18
/proc/24171/stat : 24171 (Pueblo) R 24169 24171 23568 0 -1 4194304 13978 0 0 0 810 8 0 0 25 0 1 0 144989202 59576320 13948 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134522744 0 0 4096 0 0 0 0 17 1 0 0
/proc/24171/statm: 14545 13948 206 16 0 13984 0
Current children cumulated CPU time (s) 8.18
Current children cumulated vsize (KiB) 58180

Child status: 10
Real time (s): 8.22895
CPU time (s): 8.21875
CPU user time (s): 8.12277
CPU system time (s): 0.095985
CPU usage (%): 99.876
Max. virtual memory (cumulated for all children) (KiB): 58180

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.12276
system time used= 0.095985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 13985
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= 27

runsolver used 0.007998 second user time and 0.027995 second system time

The end

Launcher Data (download as text)

Begin job on node19 on Thu Apr 19 08:18:38 UTC 2007

IDJOB= 360541
IDBENCH= 1378
IDSOLVER= 165
FILE ID= node19/360541-1176970718

PBS_JOBID= 4630314

Free space on /tmp= 66437 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_3.opb.PB06.opb
COMMAND LINE= Pueblo /tmp/evaluation/360541-1176970718/instance-360541-1176970718.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node19/convwatcher-360541-1176970718 -o ROOT/results/node19/conversion-360541-1176970718 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/360541-1176970718/instance-360541-1176970718.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node19/watcher-360541-1176970718 -o ROOT/results/node19/solver-360541-1176970718 -C 1800 -W 3600 -M 1800 --output-limit 1,15  Pueblo /tmp/evaluation/360541-1176970718/instance-360541-1176970718.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  e3c4907f9ed288ddc262ad274eebff0f

RANDOM SEED= 355927796

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node19.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		: 3000.213
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		: 3000.213
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:       1770072 kB
Buffers:         20268 kB
Cached:         171484 kB
SwapCached:       2320 kB
Active:         126292 kB
Inactive:        93620 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1770072 kB
SwapTotal:     4192956 kB
SwapFree:      4159444 kB
Dirty:           13616 kB
Writeback:           0 kB
Mapped:          36152 kB
Slab:            51468 kB
Committed_AS:  3016392 kB
PageTables:       1800 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= 66437 MiB

End job on node19 on Thu Apr 19 08:18:47 UTC 2007