Trace number 1877457

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 11.5322 11.536

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga25_23_sat_pb.cnf.cr.opb
MD5SUMf5648c05fd08b8fac6342afd4b5bd61d
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 benchmark0.047992
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables863
Total number of constraints646
Number of constraints which are clauses598
Number of constraints which are cardinality constraints (but not clauses)48
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint12
Maximum length of a constraint25
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 26
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 

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-1877457-1245126545.opb
0.00/0.00	c File size is 73543 bytes.
0.00/0.01	c Highest Coefficient sum: 26
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.01 s
0.00/0.01	c Var: 863 Constr: 646 598/48/0 Lit: 8637 Watch. Lit: 2059
0.00/0.01	c Obj. Vars: 0 (0 % of total variables)
0.00/0.03	c Pre-processing Time: 0.035 s
0.00/0.03	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.03	c        0    863      646     8637   13     2059    5523      0      0 0.04
0.00/0.03	c Switching off lower bounding mode.
11.49/11.52	c      100    863      764    20770   27     2702    6076    118   1639 0.06
11.49/11.52	c      250    863      922    47980   52     3815    6684    276   2049 0.12
11.49/11.52	c      477    863     1198    68441   57     5689    7353    552   2773 0.17
11.49/11.52	c      815    863     1560   123521   79     7592    8089    914   2603 0.31
11.49/11.52	c     1324    863     2167   180405   83     9701    8898   1521   2799 0.47
11.49/11.52	c     2088    863     2962   333997  112    11340    9788   2316   2204 0.95
11.49/11.52	c     3234    863     4151   622105  149    14546   10767   3505   1602 2.02
11.49/11.52	c     4956    863     6453  1394487  216    22158   11844   5807   1109 4.47
11.49/11.52	c     7545    863    10158  2859780  281    34685   13029   9512    664 11.35
11.49/11.52	c Backtracks by Clause: 7464
11.49/11.52	c Backtracks by PB constraint: 130
11.49/11.52	v -x176 -x576 -x577 -x578 -x579 -x580 -x581 -x582 -x583 -x584 -x585 x586 -x295 x792 -x793 -x794 -x795 -x796 -x797 -x798 -x799 -x800 -x801 -x802 -x803 -x381 -x631 -x632 -x633 -x634 -x635 x636 -x637 -x638 -x639 -x640 -x641 -x561 -x686 -x687 -x688 x689 -x690 -x691 -x692 -x693 -x694 -x695 -x696 -x103 -x598 -x599 -x600 -x601 -x602 -x603 x604 -x605 -x606 -x607 -x608 -x313 -x708 -x709 x710 -x711 -x712 -x713 -x714 -x715 -x716 -x717 -x718 -x719 -x455 -x620 -x621 -x622 -x623 -x624 -x625 -x626 x627 -x628 -x629 -x630 -x136 -x351 -x541 -x744 -x745 -x746 -x747 -x748 -x749 -x750 -x751 -x752 -x753 x754 -x755 -x234 x664 -x665 -x666 -x667 -x668 -x669 -x670 -x671 -x672 -x673 -x674 x559 -x304 -x609 -x610 -x611 -x612 x613 -x614 -x615 -x616 -x617 -x618 -x619 -x503 -x512 -x697 x698 -x699 -x700 -x701 -x702 -x703 -x704 -x705 -x706 -x707 -x312 -x232 -x642 -x643 -x644 -x645 -x646 -x647 -x648 -x649 -x650 -x651 -x652 -x222 -x816 -x817 -x818 x819 -x820 -x821 -x822 -x823 -x824 -x825 -x826 -x827 -x61 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x52 -x70 -x291 x281 -x283 -x286 -x288 -x297 -x299 
11.49/11.52	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
11.49/11.52	c    9     7594   2676    38642    10212  2873261   9566    658 11.52
11.49/11.52	s SATISFIABLE
11.49/11.52	c Total time: 11.524 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-1877457-1245126545/watcher-1877457-1245126545 -o /tmp/evaluation-result-1877457-1245126545/solver-1877457-1245126545 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877457-1245126545.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 1.00 1.00 3/64 3837
/proc/meminfo: memFree=1792040/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=10780 CPUtime=0
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 245 0 0 0 0 0 0 0 18 0 1 0 180254448 11038720 229 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 2695 230 175 640 0 2033 0

[startup+0.0830179 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 3837
/proc/meminfo: memFree=1792040/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=11232 CPUtime=0.07
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 431 0 0 0 7 0 0 0 18 0 1 0 180254448 11501568 397 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 2808 397 197 640 0 2164 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 11232

[startup+0.10102 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 3837
/proc/meminfo: memFree=1792040/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=11344 CPUtime=0.09
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 458 0 0 0 9 0 0 0 18 0 1 0 180254448 11616256 424 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 2836 424 197 640 0 2192 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11344

[startup+0.301043 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 3837
/proc/meminfo: memFree=1792040/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=12512 CPUtime=0.29
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 747 0 0 0 28 1 0 0 19 0 1 0 180254448 12812288 713 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 3128 713 197 640 0 2484 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12512

[startup+0.701088 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 3837
/proc/meminfo: memFree=1792040/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=14428 CPUtime=0.69
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 1228 0 0 0 68 1 0 0 22 0 1 0 180254448 14774272 1194 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 3607 1194 197 640 0 2963 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14428

[startup+1.50118 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3838
/proc/meminfo: memFree=1786720/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=17444 CPUtime=1.49
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 1981 0 0 0 146 3 0 0 25 0 1 0 180254448 17862656 1947 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 4361 1947 197 640 0 3717 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17444

[startup+3.10136 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3838
/proc/meminfo: memFree=1782624/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=23700 CPUtime=3.09
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 3548 0 0 0 304 5 0 0 25 0 1 0 180254448 24268800 3514 1992294400 134512640 137136520 4294956256 18446744073709551615 134600583 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 5925 3514 197 640 0 5281 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 23700

[startup+6.30172 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3838
/proc/meminfo: memFree=1768992/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=35696 CPUtime=6.29
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 6530 0 0 0 623 6 0 0 25 0 1 0 180254448 36552704 6496 1992294400 134512640 137136520 4294956256 18446744073709551615 134544157 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 8924 6496 197 640 0 8280 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 35696

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

[startup+9.50109 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3838
/proc/meminfo: memFree=1758824/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=45664 CPUtime=9.49
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 9024 0 0 0 941 8 0 0 25 0 1 0 180254448 46759936 8990 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 11416 8990 197 640 0 10772 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 45664

[startup+10.3012 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3838
/proc/meminfo: memFree=1755816/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=47064 CPUtime=10.29
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 9371 0 0 0 1021 8 0 0 25 0 1 0 180254448 48193536 9337 1992294400 134512640 137136520 4294956256 18446744073709551615 134544157 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 11766 9337 197 640 0 11122 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 47064

[startup+11.1023 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3838
/proc/meminfo: memFree=1754216/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=48212 CPUtime=11.09
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 9672 0 0 0 1101 8 0 0 25 0 1 0 180254448 49369088 9638 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 12053 9638 197 640 0 11409 0
Current children cumulated CPU time (s) 11.09
Current children cumulated vsize (KiB) 48212

[startup+11.5013 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3838
/proc/meminfo: memFree=1754216/2055920 swapFree=4182468/4192956
[pid=3837] ppid=3835 vsize=48792 CPUtime=11.49
/proc/3837/stat : 3837 (bsolo) R 3835 3837 2416 0 -1 4194304 9808 0 0 0 1141 8 0 0 25 0 1 0 180254448 49963008 9774 1992294400 134512640 137136520 4294956256 18446744073709551615 134543948 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3837/statm: 12198 9774 197 640 0 11554 0
Current children cumulated CPU time (s) 11.49
Current children cumulated vsize (KiB) 48792

Child status: 0
Real time (s): 11.536
CPU time (s): 11.5322
CPU user time (s): 11.4373
CPU system time (s): 0.094985
CPU usage (%): 99.9673
Max. virtual memory (cumulated for all children) (KiB): 48792

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.4373
system time used= 0.094985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9818
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= 24

runsolver used 0.012998 second user time and 0.030995 second system time

The end

Launcher Data 

Begin job on node23 at 2009-06-16 06:29:05
IDJOB=1877457
IDBENCH=1400
IDSOLVER=699
FILE ID=node23/1877457-1245126545
PBS_JOBID= 9363640
Free space on /tmp= 66272 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga25_23_sat_pb.cnf.cr.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877457-1245126545/watcher-1877457-1245126545 -o /tmp/evaluation-result-1877457-1245126545/solver-1877457-1245126545 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877457-1245126545.opb

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

MD5SUM BENCH= f5648c05fd08b8fac6342afd4b5bd61d
RANDOM SEED=1718165462

node23.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		: 3000.236
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		: 3000.236
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:       1792456 kB
Buffers:         32684 kB
Cached:         168100 kB
SwapCached:       4304 kB
Active:          51760 kB
Inactive:       156896 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1792456 kB
SwapTotal:     4192956 kB
SwapFree:      4182468 kB
Dirty:            4008 kB
Writeback:           0 kB
Mapped:          14544 kB
Slab:            40812 kB
Committed_AS:   145760 kB
PageTables:       1392 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= 66268 MiB
End job on node23 at 2009-06-16 06:29:17