Trace number 432431

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 0.143977 0.146194

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga30_29_sat_pb.cnf.cr.opb
MD5SUMc1cdfd7e4f6debefea2730ce19b0db2d
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 benchmark0.021996
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1305
Total number of constraints958
Number of constraints which are clauses899
Number of constraints which are cardinality constraints (but not clauses)59
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint15
Maximum length of a constraint30
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 31
Number of bits of the biggest sum of numbers5
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/432431-1177943654/instance-432431-1177943654.opb
0.00/0.00	c File size is 141103 bytes.
0.00/0.02	c Highest Coefficient sum: 31
0.00/0.02	c Parsing was ok!!
0.00/0.02	c Total parsing time: 0.025 s
0.00/0.03	c Var: 1305 Constr: 958 899/59/0 Lit: 15660 Watch. Lit: 3103
0.00/0.03	c Obj. Vars: 0 (0 % of total variables)
0.00/0.08	c Pre-processing Time: 0.081 s
0.00/0.08	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.08	c        0   1305      958    15660   16     3103   10449      0      0 0.08
0.00/0.08	c Switching off LPR mode.
0.09/0.14	c      100   1305     1058    33392   31     3303   11494    100   1052 0.10
0.09/0.14	c      252   1305     1210    64759   53     3607   12644    252   2100 0.12
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0.09/0.14	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.09/0.14	c    2      448    123     3540     1406    82021    448   3223 0.14
0.09/0.14	s SATISFIABLE
0.09/0.14	c Total time: 0.139 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/node71/watcher-432431-1177943654 -o ROOT/results/node71/solver-432431-1177943654 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/432431-1177943654/instance-432431-1177943654.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 0.85 3/64 21965
/proc/meminfo: memFree=1792960/2055920 swapFree=4184260/4192956
[pid=21965] ppid=21963 vsize=11876 CPUtime=0
/proc/21965/stat : 21965 (bsolo3.0.17) R 21963 21965 21415 0 -1 4194304 364 0 0 0 0 0 0 0 18 0 1 0 270354698 12161024 334 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21965/statm: 2969 335 281 324 0 2004 0

[startup+0.105879 s]
/proc/loadavg: 0.85 0.97 0.85 3/64 21965
/proc/meminfo: memFree=1792960/2055920 swapFree=4184260/4192956
[pid=21965] ppid=21963 vsize=4864 CPUtime=0.09
/proc/21965/stat : 21965 (bsolo3.0.17) R 21963 21965 21415 0 -1 4194304 660 0 0 0 9 0 0 0 18 0 1 0 270354698 4980736 595 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7640699 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21965/statm: 1216 595 309 324 0 286 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4864

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

[startup+0.105879 s]
/proc/loadavg: 0.85 0.97 0.85 3/64 21965
/proc/meminfo: memFree=1792960/2055920 swapFree=4184260/4192956
[pid=21965] ppid=21963 vsize=4864 CPUtime=0.09
/proc/21965/stat : 21965 (bsolo3.0.17) R 21963 21965 21415 0 -1 4194304 660 0 0 0 9 0 0 0 18 0 1 0 270354698 4980736 595 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7640699 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21965/statm: 1216 595 309 324 0 286 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4864

Child status: 0
Real time (s): 0.146194
CPU time (s): 0.143977
CPU user time (s): 0.138978
CPU system time (s): 0.004999
CPU usage (%): 98.4836
Max. virtual memory (cumulated for all children) (KiB): 4864

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.138978
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 789
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 0.005999 second user time and 0.002999 second system time

The end

Launcher Data (download as text)

Begin job on node71 on Mon Apr 30 14:34:14 UTC 2007

IDJOB= 432431
IDBENCH= 1418
IDSOLVER= 199
FILE ID= node71/432431-1177943654

PBS_JOBID= 4727528

Free space on /tmp= 66558 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga30_29_sat_pb.cnf.cr.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/432431-1177943654/instance-432431-1177943654.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node71/watcher-432431-1177943654 -o ROOT/results/node71/solver-432431-1177943654 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/432431-1177943654/instance-432431-1177943654.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  c1cdfd7e4f6debefea2730ce19b0db2d

RANDOM SEED= 744902704

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node71.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		: 3000.234
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		: 3000.234
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:       1793432 kB
Buffers:         32240 kB
Cached:         150064 kB
SwapCached:       2792 kB
Active:          93352 kB
Inactive:        98868 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1793432 kB
SwapTotal:     4192956 kB
SwapFree:      4184260 kB
Dirty:            6840 kB
Writeback:           0 kB
Mapped:          15916 kB
Slab:            56296 kB
Committed_AS:  3758832 kB
PageTables:       1448 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 node71 on Mon Apr 30 14:34:14 UTC 2007