Trace number 432389

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
bsolo 3.0.17SAT 57.8752 57.9102

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_8.opb.PB06.opb
MD5SUMa6ae80bf3bd14a966c0a388701471ae7
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 benchmark1.84572
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 258
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 759
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 bsolo beta version 3.0.17 - 27/04/2007 : 1600 GMT
0.00/0.00	c Developed by Vasco Manquinho IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file /tmp/evaluation/432389-1177943255/instance-432389-1177943255.opb
0.00/0.00	c File size is 11432849 bytes.
1.89/1.95	c Highest Coefficient sum: 759
1.89/1.95	c Parsing was ok!!
1.89/1.95	c Total parsing time: 1.952 s
1.98/2.08	c Var: 1600 Constr: 328962 327130/62/1770 Lit: 1068140 Watch. Lit: 709432
1.98/2.08	c Obj. Vars: 0 (0 % of total variables)
57.65/57.77	c Pre-processing Time: 57.736 s
57.65/57.78	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
57.65/57.78	c        0   1600   307962  1005140    3   678582  249583      0      0 57.74
57.65/57.78	c Switching off LPR mode.
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57.75/57.89	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
57.75/57.89	c    0        0      0      641   307962  1005140      0      0 57.86
57.75/57.89	s SATISFIABLE
57.75/57.89	c Total time: 57.86 s

Verifier Data (download as text)

OK	0

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node67/watcher-432389-1177943255 -o ROOT/results/node67/solver-432389-1177943255 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/432389-1177943255/instance-432389-1177943255.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: 0.85 0.97 0.82 3/64 31534
/proc/meminfo: memFree=1787520/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=30716 CPUtime=0
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 363 0 0 0 0 0 0 0 18 0 1 0 270315128 31453184 333 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7325307 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 5726 334 280 324 0 2004 0

[startup+0.0708211 s]
/proc/loadavg: 0.85 0.97 0.82 3/64 31534
/proc/meminfo: memFree=1787520/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=16592 CPUtime=0.06
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 823 0 0 0 6 0 0 0 18 0 1 0 270315128 16990208 793 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7325307 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 4148 793 375 324 0 426 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 16592

[startup+0.102825 s]
/proc/loadavg: 0.85 0.97 0.82 3/64 31534
/proc/meminfo: memFree=1787520/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=17276 CPUtime=0.09
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 1041 0 0 0 9 0 0 0 18 0 1 0 270315128 17690624 1011 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134525198 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 4319 1011 423 324 0 597 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 17276

[startup+0.302871 s]
/proc/loadavg: 0.85 0.97 0.82 3/64 31534
/proc/meminfo: memFree=1787520/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=21380 CPUtime=0.29
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 2366 0 0 0 28 1 0 0 19 0 1 0 270315128 21893120 2336 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7325307 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 5345 2336 712 324 0 1623 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 21380

[startup+0.701934 s]
/proc/loadavg: 0.85 0.97 0.82 3/64 31534
/proc/meminfo: memFree=1787520/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=29584 CPUtime=0.69
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 4985 0 0 0 67 2 0 0 22 0 1 0 270315128 30294016 4955 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7325307 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 7396 4956 1287 324 0 3674 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 29584

[startup+1.50108 s]
/proc/loadavg: 0.85 0.97 0.82 2/65 31535
/proc/meminfo: memFree=1766584/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=45852 CPUtime=1.49
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 10208 0 0 0 145 4 0 0 25 0 1 0 270315128 46952448 10178 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7325307 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 11463 10179 2435 324 0 7741 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 45852

[startup+3.10137 s]
/proc/loadavg: 0.85 0.97 0.82 2/65 31535
/proc/meminfo: memFree=1731832/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=76676 CPUtime=3.09
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 21367 0 0 0 301 8 0 0 25 0 1 0 270315128 78516224 18545 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 19169 18545 305 324 0 18239 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 76676

[startup+6.30195 s]
/proc/loadavg: 0.86 0.97 0.82 2/65 31535
/proc/meminfo: memFree=1714168/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=76676 CPUtime=6.28
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 21367 0 0 0 619 9 0 0 25 0 1 0 270315128 78516224 18545 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 19169 18545 305 324 0 18239 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 76676

[startup+12.7011 s]
/proc/loadavg: 0.87 0.97 0.82 2/65 31535
/proc/meminfo: memFree=1714232/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=76676 CPUtime=12.68
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 21367 0 0 0 1257 11 0 0 25 0 1 0 270315128 78516224 18545 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 19169 18545 305 324 0 18239 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 76676

[startup+25.5024 s]
/proc/loadavg: 0.90 0.97 0.82 2/65 31535
/proc/meminfo: memFree=1714296/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=76676 CPUtime=25.48
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 21367 0 0 0 2531 17 0 0 25 0 1 0 270315128 78516224 18545 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 19169 18545 305 324 0 18239 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 76676

[startup+51.1021 s]
/proc/loadavg: 0.93 0.97 0.82 2/65 31535
/proc/meminfo: memFree=1714424/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=76676 CPUtime=51.06
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 21367 0 0 0 5080 26 0 0 25 0 1 0 270315128 78516224 18545 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134545187 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 19169 18545 305 324 0 18239 0
Current children cumulated CPU time (s) 51.06
Current children cumulated vsize (KiB) 76676

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

[startup+54.3017 s]
/proc/loadavg: 0.94 0.97 0.82 2/65 31535
/proc/meminfo: memFree=1714424/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=76676 CPUtime=54.25
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 21367 0 0 0 5398 27 0 0 25 0 1 0 270315128 78516224 18545 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 19169 18545 305 324 0 18239 0
Current children cumulated CPU time (s) 54.25
Current children cumulated vsize (KiB) 76676

[startup+55.902 s]
/proc/loadavg: 0.94 0.97 0.82 2/65 31535
/proc/meminfo: memFree=1714424/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=76676 CPUtime=55.86
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 21367 0 0 0 5558 28 0 0 25 0 1 0 270315128 78516224 18545 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 19169 18545 305 324 0 18239 0
Current children cumulated CPU time (s) 55.86
Current children cumulated vsize (KiB) 76676

[startup+56.7011 s]
/proc/loadavg: 0.94 0.97 0.82 2/65 31535
/proc/meminfo: memFree=1714424/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=76676 CPUtime=56.65
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 21367 0 0 0 5637 28 0 0 25 0 1 0 270315128 78516224 18545 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134546121 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 19169 18545 305 324 0 18239 0
Current children cumulated CPU time (s) 56.65
Current children cumulated vsize (KiB) 76676

[startup+57.5013 s]
/proc/loadavg: 0.94 0.97 0.82 2/65 31535
/proc/meminfo: memFree=1714424/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=76356 CPUtime=57.45
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194304 21368 0 0 0 5717 28 0 0 25 0 1 0 270315128 78188544 18465 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7323340 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 19089 18465 305 324 0 18159 0
Current children cumulated CPU time (s) 57.45
Current children cumulated vsize (KiB) 76356

[startup+57.9013 s]
/proc/loadavg: 0.94 0.97 0.82 2/65 31535
/proc/meminfo: memFree=1714424/2055920 swapFree=4182996/4192956
[pid=31534] ppid=31532 vsize=0 CPUtime=57.86
/proc/31534/stat : 31534 (bsolo3.0.17) R 31532 31534 31175 0 -1 4194308 21375 0 0 0 5757 29 0 0 25 0 1 0 270315128 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31534/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 57.86
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 57.9102
CPU time (s): 57.8752
CPU user time (s): 57.5722
CPU system time (s): 0.302953
CPU usage (%): 99.9395
Max. virtual memory (cumulated for all children) (KiB): 76676

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 57.5722
system time used= 0.302953
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 21375
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= 12
involuntary context switches= 113

runsolver used 0.048992 second user time and 0.117982 second system time

The end

Launcher Data (download as text)

Begin job on node67 on Mon Apr 30 14:27:36 UTC 2007

IDJOB= 432389
IDBENCH= 1376
IDSOLVER= 199
FILE ID= node67/432389-1177943255

PBS_JOBID= 4727532

Free space on /tmp= 66547 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_8.opb.PB06.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/432389-1177943255/instance-432389-1177943255.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node67/watcher-432389-1177943255 -o ROOT/results/node67/solver-432389-1177943255 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/432389-1177943255/instance-432389-1177943255.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  a6ae80bf3bd14a966c0a388701471ae7

RANDOM SEED= 801056192

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node67.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		: 3000.263
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		: 3000.263
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:       1787864 kB
Buffers:         29596 kB
Cached:         161456 kB
SwapCached:       4040 kB
Active:          70904 kB
Inactive:       130012 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1787864 kB
SwapTotal:     4192956 kB
SwapFree:      4182996 kB
Dirty:           17852 kB
Writeback:           0 kB
Mapped:          15692 kB
Slab:            53044 kB
Committed_AS:  1304052 kB
PageTables:       1452 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= 66547 MiB

End job on node67 on Mon Apr 30 14:28:34 UTC 2007