Trace number 1880309

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 3.1 pbSAT 4.78827 4.7889

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: Generic Pseudo-Boolean 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-1880309-1245126532.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: 0.13 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.
4.69/4.78	c      100   1733     1435   139620   97    22791   17491    179    197 0.51
4.69/4.78	c      256   1733     1737   363105  209    60492   19241    481    155 1.65
4.69/4.78	c      481   1733     2151   616703  286   105254   21166    895    146 3.29
4.69/4.78	c Backtracks by Clause: 461
4.69/4.78	c Backtracks by PB constraint: 243
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4.69/4.78	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
4.69/4.78	c    3      704    399     8938     2566   845639   1310    147 4.78
4.69/4.78	s SATISFIABLE
4.69/4.78	c Total time: 4.783 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-1880309-1245126532/watcher-1880309-1245126532 -o /tmp/evaluation-result-1880309-1245126532/solver-1880309-1245126532 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880309-1245126532.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 2709
/proc/meminfo: memFree=1311976/2055920 swapFree=4182572/4192956
[pid=2709] ppid=2707 vsize=10920 CPUtime=0
/proc/2709/stat : 2709 (bsolo) R 2707 2709 1454 0 -1 4194304 246 0 0 0 0 0 0 0 18 0 1 0 180250244 11182080 230 1992294400 134512640 137136520 4294956256 18446744073709551615 134531237 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2709/statm: 2730 230 175 640 0 2033 0

[startup+0.0714 s]
/proc/loadavg: 1.00 1.01 1.00 3/64 2709
/proc/meminfo: memFree=1311976/2055920 swapFree=4182572/4192956
[pid=2709] ppid=2707 vsize=11660 CPUtime=0.06
/proc/2709/stat : 2709 (bsolo) R 2707 2709 1454 0 -1 4194304 573 0 0 0 6 0 0 0 18 0 1 0 180250244 11939840 504 1992294400 134512640 137136520 4294956256 18446744073709551615 136502224 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2709/statm: 2915 504 191 640 0 2271 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 11660

[startup+0.101403 s]
/proc/loadavg: 1.00 1.01 1.00 3/64 2709
/proc/meminfo: memFree=1311976/2055920 swapFree=4182572/4192956
[pid=2709] ppid=2707 vsize=11660 CPUtime=0.09
/proc/2709/stat : 2709 (bsolo) R 2707 2709 1454 0 -1 4194304 573 0 0 0 9 0 0 0 18 0 1 0 180250244 11939840 504 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2709/statm: 2915 504 191 640 0 2271 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11660

[startup+0.301431 s]
/proc/loadavg: 1.00 1.01 1.00 3/64 2709
/proc/meminfo: memFree=1311976/2055920 swapFree=4182572/4192956
[pid=2709] ppid=2707 vsize=12304 CPUtime=0.29
/proc/2709/stat : 2709 (bsolo) R 2707 2709 1454 0 -1 4194304 731 0 0 0 29 0 0 0 19 0 1 0 180250244 12599296 662 1992294400 134512640 137136520 4294956256 18446744073709551615 136518848 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2709/statm: 3076 662 197 640 0 2432 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12304

[startup+0.701489 s]
/proc/loadavg: 1.00 1.01 1.00 3/64 2709
/proc/meminfo: memFree=1311976/2055920 swapFree=4182572/4192956
[pid=2709] ppid=2707 vsize=14096 CPUtime=0.69
/proc/2709/stat : 2709 (bsolo) R 2707 2709 1454 0 -1 4194304 1185 0 0 0 69 0 0 0 22 0 1 0 180250244 14434304 1116 1992294400 134512640 137136520 4294956256 18446744073709551615 134544164 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2709/statm: 3524 1116 197 640 0 2880 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14096

[startup+1.5016 s]
/proc/loadavg: 1.00 1.01 1.00 2/65 2710
/proc/meminfo: memFree=1306976/2055920 swapFree=4182572/4192956
[pid=2709] ppid=2707 vsize=16664 CPUtime=1.49
/proc/2709/stat : 2709 (bsolo) R 2707 2709 1454 0 -1 4194304 1806 0 0 0 148 1 0 0 25 0 1 0 180250244 17063936 1737 1992294400 134512640 137136520 4294956256 18446744073709551615 134571152 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2709/statm: 4166 1737 197 640 0 3522 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 16664

[startup+3.10183 s]
/proc/loadavg: 1.00 1.01 1.00 2/65 2710
/proc/meminfo: memFree=1304096/2055920 swapFree=4182572/4192956
[pid=2709] ppid=2707 vsize=20824 CPUtime=3.09
/proc/2709/stat : 2709 (bsolo) R 2707 2709 1454 0 -1 4194304 2844 0 0 0 308 1 0 0 25 0 1 0 180250244 21323776 2775 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2709/statm: 5206 2775 197 640 0 4562 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 20824

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

[startup+3.90195 s]
/proc/loadavg: 1.00 1.01 1.00 2/65 2710
/proc/meminfo: memFree=1301280/2055920 swapFree=4182572/4192956
[pid=2709] ppid=2707 vsize=22884 CPUtime=3.89
/proc/2709/stat : 2709 (bsolo) R 2707 2709 1454 0 -1 4194304 3364 0 0 0 387 2 0 0 25 0 1 0 180250244 23433216 3295 1992294400 134512640 137136520 4294956256 18446744073709551615 134616694 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2709/statm: 5721 3295 197 640 0 5077 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 22884

[startup+4.30201 s]
/proc/loadavg: 1.00 1.01 1.00 2/65 2710
/proc/meminfo: memFree=1298208/2055920 swapFree=4182572/4192956
[pid=2709] ppid=2707 vsize=24020 CPUtime=4.3
/proc/2709/stat : 2709 (bsolo) R 2707 2709 1454 0 -1 4194304 3649 0 0 0 428 2 0 0 25 0 1 0 180250244 24596480 3580 1992294400 134512640 137136520 4294956256 18446744073709551615 134551110 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2709/statm: 6005 3580 197 640 0 5361 0
Current children cumulated CPU time (s) 4.3
Current children cumulated vsize (KiB) 24020

[startup+4.70106 s]
/proc/loadavg: 1.00 1.01 1.00 2/65 2710
/proc/meminfo: memFree=1298208/2055920 swapFree=4182572/4192956
[pid=2709] ppid=2707 vsize=25036 CPUtime=4.69
/proc/2709/stat : 2709 (bsolo) R 2707 2709 1454 0 -1 4194304 3921 0 0 0 467 2 0 0 25 0 1 0 180250244 25636864 3852 1992294400 134512640 137136520 4294956256 18446744073709551615 134544116 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2709/statm: 6259 3852 197 640 0 5615 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 25036

Child status: 0
Real time (s): 4.7889
CPU time (s): 4.78827
CPU user time (s): 4.75828
CPU system time (s): 0.029995
CPU usage (%): 99.9868
Max. virtual memory (cumulated for all children) (KiB): 25036

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.75828
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= 3956
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= 12

runsolver used 0.008998 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node39 at 2009-06-16 06:28:52
IDJOB=1880309
IDBENCH=1392
IDSOLVER=701
FILE ID=node39/1880309-1245126532
PBS_JOBID= 9363672
Free space on /tmp= 66128 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880309-1245126532/watcher-1880309-1245126532 -o /tmp/evaluation-result-1880309-1245126532/solver-1880309-1245126532 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880309-1245126532.opb

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

MD5SUM BENCH= d807de21f10c00acae1479f7b1348df5
RANDOM SEED=1120567819

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:       1312392 kB
Buffers:         70392 kB
Cached:         586556 kB
SwapCached:       4216 kB
Active:         191764 kB
Inactive:       473136 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1312392 kB
SwapTotal:     4192956 kB
SwapFree:      4182572 kB
Dirty:            4244 kB
Writeback:           0 kB
Mapped:          13632 kB
Slab:            64648 kB
Committed_AS:   129392 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 06:28:57