Trace number 361267

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 3.0.16SAT 0.297954 0.29948

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga40_39_sat_pb.cnf.cr.opb
MD5SUM72bb077846a4d869a09744c0b238b13c
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 benchmark0.05799
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2340
Total number of constraints1678
Number of constraints which are clauses1599
Number of constraints which are cardinality constraints (but not clauses)79
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint20
Maximum length of a constraint40
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 41
Number of bits of the biggest sum of numbers6
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 3.0.16 - 04/04/2007 : 1458 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 Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file /tmp/evaluation/361267-1176980882/instance-361267-1176980882.opb
0.00/0.00	c File size is 331627 bytes.
0.03/0.06	c Highest Coefficient sum: 41
0.03/0.06	c Parsing was ok!!
0.03/0.06	c Total parsing time: 0.063 s
0.03/0.06	c Var: 2340 Constr: 1678 1599/79/0 Lit: 35880 Watch. Lit: 5538
0.03/0.06	c Obj. Vars: 0 (0 % of total variables)
0.19/0.26	c Pre-processing Time: 0.262 s
0.19/0.26	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.26	c        0   2340     1678    35880   21     5538   25232      0      0 0.26
0.19/0.26	c Switching off LPR mode.
0.19/0.29	c      102   2340     1780    64069   35     5742   27756    102    356 0.29
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0.19/0.29	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.19/0.29	c    1      121     62     4645     1799    66129    121    412 0.29
0.19/0.29	s SATISFIABLE
0.19/0.29	c Total time: 0.293 s

Verifier Data (download as text)

OK	0

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node29/watcher-361267-1176980882 -o ROOT/results/node29/solver-361267-1176980882 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/361267-1176980882/instance-361267-1176980882.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: 0.96 1.00 0.95 3/77 32108
/proc/meminfo: memFree=1057512/2055920 swapFree=4141972/4192956
[pid=32108] ppid=32106 vsize=12060 CPUtime=0
/proc/32108/stat : 32108 (bsolo3.0.16) R 32106 32108 31163 0 -1 4194304 368 0 0 0 0 0 0 0 18 0 1 0 146003983 12349440 336 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 4564603 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32108/statm: 3015 336 283 324 0 2003 0

[startup+0.0422519 s]
/proc/loadavg: 0.96 1.00 0.95 3/77 32108
/proc/meminfo: memFree=1057512/2055920 swapFree=4141972/4192956
[pid=32108] ppid=32106 vsize=4776 CPUtime=0.03
/proc/32108/stat : 32108 (bsolo3.0.16) R 32106 32108 31163 0 -1 4194304 532 0 0 0 3 0 0 0 18 0 1 0 146003983 4890624 500 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 134525271 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32108/statm: 1194 500 332 324 0 182 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 4776

[startup+0.101256 s]
/proc/loadavg: 0.96 1.00 0.95 3/77 32108
/proc/meminfo: memFree=1057512/2055920 swapFree=4141972/4192956
[pid=32108] ppid=32106 vsize=5040 CPUtime=0.09
/proc/32108/stat : 32108 (bsolo3.0.16) R 32106 32108 31163 0 -1 4194304 723 0 0 0 9 0 0 0 18 0 1 0 146003983 5160960 610 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32108/statm: 1260 610 305 324 0 329 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5040

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

[startup+0.201263 s]
/proc/loadavg: 0.96 1.00 0.95 3/77 32108
/proc/meminfo: memFree=1057512/2055920 swapFree=4141972/4192956
[pid=32108] ppid=32106 vsize=5572 CPUtime=0.19
/proc/32108/stat : 32108 (bsolo3.0.16) R 32106 32108 31163 0 -1 4194304 985 0 0 0 19 0 0 0 18 0 1 0 146003983 5705728 754 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 134540869 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32108/statm: 1393 754 307 324 0 462 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 5572

Child status: 0
Real time (s): 0.29948
CPU time (s): 0.297954
CPU user time (s): 0.285956
CPU system time (s): 0.011998
CPU usage (%): 99.4904
Max. virtual memory (cumulated for all children) (KiB): 5572

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.285956
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1012
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 0.003999 second user time and 0.002999 second system time

The end

Launcher Data (download as text)

Begin job on node29 on Thu Apr 19 11:08:02 UTC 2007

IDJOB= 361267
IDBENCH= 1430
IDSOLVER= 163
FILE ID= node29/361267-1176980882

PBS_JOBID= 4630384

Free space on /tmp= 66463 MiB

SOLVER NAME= bsolo 3.0.16
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga40_39_sat_pb.cnf.cr.opb
COMMAND LINE= bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/361267-1176980882/instance-361267-1176980882.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node29/watcher-361267-1176980882 -o ROOT/results/node29/solver-361267-1176980882 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/361267-1176980882/instance-361267-1176980882.opb            

META MD5SUM SOLVER= b11bf0769a124f73ad50b0fdfcd50482
MD5SUM BENCH=  72bb077846a4d869a09744c0b238b13c

RANDOM SEED= 349684771

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node29.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		: 3000.224
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		: 3000.224
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:       1058112 kB
Buffers:         48964 kB
Cached:         852892 kB
SwapCached:      15872 kB
Active:         378944 kB
Inactive:       551500 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1058112 kB
SwapTotal:     4192956 kB
SwapFree:      4141972 kB
Dirty:            4856 kB
Writeback:           0 kB
Mapped:          30812 kB
Slab:            52784 kB
Committed_AS:  2087580 kB
PageTables:       1872 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= 66463 MiB

End job on node29 on Thu Apr 19 11:08:03 UTC 2007