Trace number 433455

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 NameAnswerObjective functionCPU timeWall clock time
bsolo 3.0.17OPT165 0.263959 0.26501

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-addm4.r.opb
MD5SUM9633aa6e9fb6df7104bc0e43c44542c0
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark165
Best CPU time to get the best result obtained on this benchmark0.263959
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 165
Optimality of the best value was proved YES
Number of variables1073
Total number of constraints832
Number of constraints which are clauses832
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint19
Number of terms in the objective function 1073
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 1073
Number of bits of the sum of numbers in the objective function 11
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 1073
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

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/433455-1177959967/instance-433455-1177959967.opb
0.00/0.00	c File size is 57348 bytes.
0.00/0.01	c Highest Coefficient sum: 1073
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.011 s
0.00/0.01	c Var: 1073 Constr: 832 832/0/0 Lit: 5389 Watch. Lit: 1664
0.00/0.01	c Obj. Vars: 1073 (100 % of total variables)
0.00/0.02	c Formula reductions applied at preprocessing
0.00/0.02	c Pre-processing Time: 0.023 s
0.04/0.07	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.04/0.07	c        0    449      525     2970    5     1050     174      0      0 0.02
0.04/0.07	c Initial Lower Bound: 164
0.04/0.07	c Initial Path Cost: 53
0.04/0.07	o 191	0.071
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c        0    449      526     3419    6     1363    1174      1      0 0.07
0.09/0.11	o 165	0.109 * 
0.19/0.26	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.26	c        0    449      527     3868    7     1702    2174      2      0 0.11
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0.19/0.26	v -x575 -x576 -x577 -x578 -x579 -x580 -x581 -x582 -x583 -x584 -x585 -x586 -x587 -x588 -x589 x590 -x591 -x592 -x593 -x594 -x595
0.19/0.26	v -x596 -x597 -x598 -x599 -x600 -x601 -x602 -x603 -x604 -x605 -x606 -x607 -x608 x609 -x610 x611 -x612 -x613 -x614 -x615 -x616
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0.19/0.26	v -x851 -x852 -x853 -x854 -x855 -x856 -x857 -x858 -x859 -x860 -x861 -x862 -x863 -x864 -x865 -x866 -x867 x868 x869 -x870 -x871
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0.19/0.26	v -x1017 -x1018 -x1019 -x1020 -x1021 -x1022 -x1023 -x1024 -x1025 x1026 -x1027 -x1028 -x1029 -x1030 -x1031 -x1032 x1033 x1034
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0.19/0.26	v x1070 -x1071 -x1072 -x1073
0.19/0.26	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.19/0.26	c    2       39      1      360      606     3955     81    150 0.26
0.19/0.26	c Objective: 165
0.19/0.26	s OPTIMUM FOUND
0.19/0.26	c Total time: 0.259 s

Verifier Data (download as text)

OK	165

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node27/watcher-433455-1177959967 -o ROOT/results/node27/solver-433455-1177959967 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/433455-1177959967/instance-433455-1177959967.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 1.00 0.93 3/65 25294
/proc/meminfo: memFree=1772496/2055920 swapFree=4182924/4192956
[pid=25294] ppid=25292 vsize=11796 CPUtime=0
/proc/25294/stat : 25294 (bsolo3.0.17) R 25292 25294 24542 0 -1 4194304 364 0 0 0 0 0 0 0 18 0 1 0 208692617 12079104 334 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 1902203 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25294/statm: 2949 334 279 324 0 2004 0

[startup+0.0511791 s]
/proc/loadavg: 0.99 1.00 0.93 3/65 25294
/proc/meminfo: memFree=1772496/2055920 swapFree=4182924/4192956
[pid=25294] ppid=25292 vsize=4700 CPUtime=0.04
/proc/25294/stat : 25294 (bsolo3.0.17) R 25292 25294 24542 0 -1 4194304 633 0 0 0 4 0 0 0 18 0 1 0 208692617 4812800 588 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 135467678 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25294/statm: 1175 588 333 324 0 245 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4700

[startup+0.102183 s]
/proc/loadavg: 0.99 1.00 0.93 3/65 25294
/proc/meminfo: memFree=1772496/2055920 swapFree=4182924/4192956
[pid=25294] ppid=25292 vsize=5916 CPUtime=0.09
/proc/25294/stat : 25294 (bsolo3.0.17) R 25292 25294 24542 0 -1 4194304 1339 0 0 0 9 0 0 0 18 0 1 0 208692617 6057984 736 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 135331694 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25294/statm: 1479 736 392 324 0 549 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5916

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

[startup+0.202206 s]
/proc/loadavg: 0.99 1.00 0.93 3/65 25294
/proc/meminfo: memFree=1772496/2055920 swapFree=4182924/4192956
[pid=25294] ppid=25292 vsize=5916 CPUtime=0.19
/proc/25294/stat : 25294 (bsolo3.0.17) R 25292 25294 24542 0 -1 4194304 2895 0 0 0 18 1 0 0 18 0 1 0 208692617 6057984 757 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134602257 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25294/statm: 1479 757 394 324 0 549 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 5916

Child status: 0
Real time (s): 0.26501
CPU time (s): 0.263959
CPU user time (s): 0.242963
CPU system time (s): 0.020996
CPU usage (%): 99.6034
Max. virtual memory (cumulated for all children) (KiB): 5916

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.242963
system time used= 0.020996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4295
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= 0

runsolver used 0.001999 second user time and 0.003999 second system time

The end

Launcher Data (download as text)

Begin job on node27 on Mon Apr 30 19:06:07 UTC 2007

IDJOB= 433455
IDBENCH= 2842
IDSOLVER= 199
FILE ID= node27/433455-1177959967

PBS_JOBID= 4727695

Free space on /tmp= 66558 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-addm4.r.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/433455-1177959967/instance-433455-1177959967.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node27/watcher-433455-1177959967 -o ROOT/results/node27/solver-433455-1177959967 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/433455-1177959967/instance-433455-1177959967.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  9633aa6e9fb6df7104bc0e43c44542c0

RANDOM SEED= 771617654

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node27.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	: 5931.00
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:       1772912 kB
Buffers:         32744 kB
Cached:         170316 kB
SwapCached:       4068 kB
Active:          70584 kB
Inactive:       143856 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1772912 kB
SwapTotal:     4192956 kB
SwapFree:      4182924 kB
Dirty:            6784 kB
Writeback:           0 kB
Mapped:          17272 kB
Slab:            54552 kB
Committed_AS:  2314076 kB
PageTables:       1416 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= 66558 MiB

End job on node27 on Mon Apr 30 19:06:07 UTC 2007