Trace number 1877449

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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 3.1SAT 1.05484 1.05576

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
MD5SUMd807de21f10c00acae1479f7b1348df5
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark0.166974
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1733
Total number of constraints1256
Number of constraints which are clauses1188
Number of constraints which are cardinality constraints (but not clauses)68
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint17
Maximum length of a constraint35
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 36
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 

0.00/0.00	c bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos 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 Learning Strategy: Cardinality Constraint Learning
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 HOME/instance-1877449-1245126530.opb
0.00/0.00	c File size is 213795 bytes.
0.00/0.03	c Highest Coefficient sum: 36
0.00/0.03	c Parsing was ok!!
0.00/0.03	c Total parsing time: 0.028 s
0.00/0.03	c Var: 1733 Constr: 1256 1188/68/0 Lit: 23117 Watch. Lit: 4109
0.00/0.03	c Obj. Vars: 0 (0 % of total variables)
0.09/0.13	c Pre-processing Time: 0.128 s
0.09/0.13	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.13	c        0   1733     1256    23117   18     4109   15900      0      0 0.13
0.09/0.13	c Switching off lower bounding mode.
1.00/1.05	c      100   1733     1379    44701   32     7018   17491    123    526 0.19
1.00/1.05	c      250   1733     1546    83962   54    10601   19241    290    886 0.28
1.00/1.05	c      475   1733     1801   129407   71    14545   21166    545   1187 0.40
1.00/1.05	c      814   1733     2189   280289  128    23779   23283    933    935 0.87
1.00/1.05	c Backtracks by Clause: 861
1.00/1.05	c Backtracks by PB constraint: 134
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1.00/1.05	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.00/1.05	c    4      995    486    16001     2404   333184   1148    945 1.05
1.00/1.05	s SATISFIABLE
1.00/1.05	c Total time: 1.052 s

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1877449-1245126530/watcher-1877449-1245126530 -o /tmp/evaluation-result-1877449-1245126530/solver-1877449-1245126530 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877449-1245126530.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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.01 1.00 3/64 2655
/proc/meminfo: memFree=1312168/2055920 swapFree=4182572/4192956
[pid=2655] ppid=2653 vsize=10920 CPUtime=0
/proc/2655/stat : 2655 (bsolo) R 2653 2655 1454 0 -1 4194304 248 0 0 0 0 0 0 0 18 0 1 0 180250025 11182080 232 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2655/statm: 2730 232 176 640 0 2033 0

[startup+0.0808839 s]
/proc/loadavg: 1.00 1.01 1.00 3/64 2655
/proc/meminfo: memFree=1312168/2055920 swapFree=4182572/4192956
[pid=2655] ppid=2653 vsize=11660 CPUtime=0.07
/proc/2655/stat : 2655 (bsolo) R 2653 2655 1454 0 -1 4194304 573 0 0 0 7 0 0 0 18 0 1 0 180250025 11939840 504 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2655/statm: 2915 504 191 640 0 2271 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 11660

[startup+0.101887 s]
/proc/loadavg: 1.00 1.01 1.00 3/64 2655
/proc/meminfo: memFree=1312168/2055920 swapFree=4182572/4192956
[pid=2655] ppid=2653 vsize=11660 CPUtime=0.09
/proc/2655/stat : 2655 (bsolo) R 2653 2655 1454 0 -1 4194304 573 0 0 0 9 0 0 0 18 0 1 0 180250025 11939840 504 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2655/statm: 2915 504 191 640 0 2271 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11660

[startup+0.301915 s]
/proc/loadavg: 1.00 1.01 1.00 3/64 2655
/proc/meminfo: memFree=1312168/2055920 swapFree=4182572/4192956
[pid=2655] ppid=2653 vsize=12456 CPUtime=0.29
/proc/2655/stat : 2655 (bsolo) R 2653 2655 1454 0 -1 4194304 760 0 0 0 28 1 0 0 19 0 1 0 180250025 12754944 691 1992294400 134512640 137136520 4294956256 18446744073709551615 136502201 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2655/statm: 3114 691 197 640 0 2470 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12456

[startup+0.701973 s]
/proc/loadavg: 1.00 1.01 1.00 3/64 2655
/proc/meminfo: memFree=1312168/2055920 swapFree=4182572/4192956
[pid=2655] ppid=2653 vsize=14428 CPUtime=0.69
/proc/2655/stat : 2655 (bsolo) R 2653 2655 1454 0 -1 4194304 1271 0 0 0 67 2 0 0 23 0 1 0 180250025 14774272 1202 1992294400 134512640 137136520 4294956256 18446744073709551615 134551087 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2655/statm: 3607 1202 197 640 0 2963 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14428

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

[startup+0.902002 s]
/proc/loadavg: 1.00 1.01 1.00 3/64 2655
/proc/meminfo: memFree=1312168/2055920 swapFree=4182572/4192956
[pid=2655] ppid=2653 vsize=15276 CPUtime=0.89
/proc/2655/stat : 2655 (bsolo) R 2653 2655 1454 0 -1 4194304 1482 0 0 0 87 2 0 0 25 0 1 0 180250025 15642624 1413 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2655/statm: 3819 1413 197 640 0 3175 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 15276

[startup+1.00201 s]
/proc/loadavg: 1.00 1.01 1.00 2/65 2656
/proc/meminfo: memFree=1306720/2055920 swapFree=4182572/4192956
[pid=2655] ppid=2653 vsize=15716 CPUtime=1
/proc/2655/stat : 2655 (bsolo) R 2653 2655 1454 0 -1 4194304 1587 0 0 0 98 2 0 0 25 0 1 0 180250025 16093184 1518 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2655/statm: 3929 1518 197 640 0 3285 0
Current children cumulated CPU time (s) 1
Current children cumulated vsize (KiB) 15716

Child status: 0
Real time (s): 1.05576
CPU time (s): 1.05484
CPU user time (s): 1.02484
CPU system time (s): 0.029995
CPU usage (%): 99.9128
Max. virtual memory (cumulated for all children) (KiB): 15716

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.02484
system time used= 0.029995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1649
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= 2
involuntary context switches= 3

runsolver used 0.004999 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node39 at 2009-06-16 06:28:50
IDJOB=1877449
IDBENCH=1392
IDSOLVER=699
FILE ID=node39/1877449-1245126530
PBS_JOBID= 9363672
Free space on /tmp= 66128 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877449-1245126530/watcher-1877449-1245126530 -o /tmp/evaluation-result-1877449-1245126530/solver-1877449-1245126530 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877449-1245126530.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= d807de21f10c00acae1479f7b1348df5
RANDOM SEED=1068067372

node39.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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:       1312648 kB
Buffers:         70348 kB
Cached:         586532 kB
SwapCached:       4216 kB
Active:         191688 kB
Inactive:       473136 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1312648 kB
SwapTotal:     4192956 kB
SwapFree:      4182572 kB
Dirty:            4148 kB
Writeback:           0 kB
Mapped:          13632 kB
Slab:            64484 kB
Committed_AS:   129320 kB
PageTables:       1384 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= 66124 MiB
End job on node39 at 2009-06-16 06:28:51