Trace number 361127

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 0.204968 0.206536

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_35_sat_pb.cnf.cr.opb
MD5SUM23ed8dbd20669d86dd929140e0f9c164
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 benchmark0.037993
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1838
Total number of constraints1330
Number of constraints which are clauses1260
Number of constraints which are cardinality constraints (but not clauses)70
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 (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/361127-1176979235/instance-361127-1176979235.opb
0.00/0.00	c File size is 237949 bytes.
0.00/0.04	c Highest Coefficient sum: 36
0.00/0.04	c Parsing was ok!!
0.00/0.04	c Total parsing time: 0.041 s
0.00/0.04	c Var: 1838 Constr: 1330 1260/70/0 Lit: 25743 Watch. Lit: 4358
0.00/0.04	c Obj. Vars: 0 (0 % of total variables)
0.09/0.16	c Pre-processing Time: 0.161 s
0.09/0.16	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.16	c        0   1838     1330    25743   19     4358   17680      0      0 0.16
0.09/0.16	c Switching off LPR mode.
0.19/0.20	c      100   1838     1430    51915   36     4558   19449    100    546 0.18
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0.19/0.20	v -x765 -x106 -x109 -x110 -x112 -x115 -x117 -x118 -x121 -x122 -x125 -x126 -x127 -x128 -x130 -x131 -x132 -x134 -x135 -x137 -x138
0.19/0.20	v -x597 -x1043 -x495 -x1016 -x1048 -x158 -x616 -x750 -x561 -x739 -x481 -x748 -x876 -x908 x507 -x157 -x759 -x515 -x878 -x622
0.19/0.20	v -x1041 -x372 -x278 -x699 -x492 -x218 -x490 -x566 -x758 -x599 -x753 -x357 -x700 -x571 -x211 -x601 -x293 -x689 -x902 -x1037
0.19/0.20	v x365 -x763 -x295 -x1027 -x485 -x358 -x586 -x302 -x486 -x523 -x385 -x156 -x572 -x587 -x504 -x256 -x482 -x491 -x494 -x497 -x501
0.19/0.20	v -x502 -x505 -x513 -x519 -x520 -x522 -x524 -x525 -x881 -x480 -x1042 -x381 -x143 -x149 -x153 -x155 -x159 -x160 -x161 -x162
0.19/0.20	v -x171 -x175 -x458 -x472 -x376 -x475 -x312 -x667 -x757 -x466 -x461 -x474 -x245 -x231 -x770 -x596 -x884 -x604 -x1039 -x384
0.19/0.20	v -x630 -x270 -x284 -x582 -x888 -x213 -x215 -x220 -x226 -x229 -x232 -x238 -x239 -x240 -x243 -x244 -x674 -x877 -x886 -x893 -x894
0.19/0.20	v -x899 -x903 -x905 -x906 -x910 -x371 -x575 -x618 -x489 -x744 -x351 -x291 -x760 -x374 -x767 -x261 -x259 -x1020 -x1021 -x1024
0.19/0.20	v -x1025 -x1028 -x1029 -x1032 -x1033 -x1044 -x1046 -x764 -x577 -x589 -x287 -x562 -x379 -x738 -x746 -x751 -x761 -x768 -x769
0.19/0.20	v -x361 -x352 -x363 -x373 -x375 -x377 -x378 -x380 -x382 -x247 -x248 -x250 -x266 -x267 -x271 -x273 -x277 -x615 -x620 -x671 -x672
0.19/0.20	v -x679 -x680 -x681 -x693 -x696 -x567 -x603 -x610 -x611 -x623 -x625 -x627 -x484 -x471 -x296 -x308 -x584 -x590 -x592 -x306 -x465
0.19/0.20	v -x282 -x283 -x310 -x313 -x467 -x459 -x470
0.19/0.20	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.19/0.20	c    1      188     97     3638     1518    68076    188    944 0.20
0.19/0.20	s SATISFIABLE
0.19/0.20	c Total time: 0.199 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/node27/watcher-361127-1176979235 -o ROOT/results/node27/solver-361127-1176979235 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/361127-1176979235/instance-361127-1176979235.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: 0.84 0.94 0.93 3/65 24244
/proc/meminfo: memFree=1451488/2055920 swapFree=4179984/4192956
[pid=24244] ppid=24242 vsize=11972 CPUtime=0
/proc/24244/stat : 24244 (bsolo3.0.16) R 24242 24244 23605 0 -1 4194304 368 0 0 0 0 0 0 0 18 0 1 0 110619482 12259328 336 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 1902203 0 0 4096 16384 0 0 0 17 1 0 0
/proc/24244/statm: 2993 337 283 324 0 2003 0

[startup+0.101093 s]
/proc/loadavg: 0.84 0.94 0.93 3/65 24244
/proc/meminfo: memFree=1451488/2055920 swapFree=4179984/4192956
[pid=24244] ppid=24242 vsize=5132 CPUtime=0.09
/proc/24244/stat : 24244 (bsolo3.0.16) R 24242 24244 23605 0 -1 4194304 750 0 0 0 9 0 0 0 18 0 1 0 110619482 5255168 659 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/24244/statm: 1283 659 307 324 0 352 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5132

[startup+0.201101 s]
/proc/loadavg: 0.84 0.94 0.93 3/65 24244
/proc/meminfo: memFree=1451488/2055920 swapFree=4179984/4192956
[pid=24244] ppid=24242 vsize=5388 CPUtime=0.19
/proc/24244/stat : 24244 (bsolo3.0.16) R 24242 24244 23605 0 -1 4194304 808 0 0 0 19 0 0 0 18 0 1 0 110619482 5517312 717 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 1902203 0 0 4096 16384 0 0 0 17 1 0 0
/proc/24244/statm: 1347 717 312 324 0 416 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 5388

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

Child status: 0
Real time (s): 0.206536
CPU time (s): 0.204968
CPU user time (s): 0.19697
CPU system time (s): 0.007998
CPU usage (%): 99.2409
Max. virtual memory (cumulated for all children) (KiB): 5388

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.19697
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 815
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= 1

runsolver used 0.002999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node27 on Thu Apr 19 10:40:36 UTC 2007

IDJOB= 361127
IDBENCH= 1420
IDSOLVER= 163
FILE ID= node27/361127-1176979235

PBS_JOBID= 4630403

Free space on /tmp= 66373 MiB

SOLVER NAME= bsolo 3.0.16
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_35_sat_pb.cnf.cr.opb
COMMAND LINE= bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/361127-1176979235/instance-361127-1176979235.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node27/watcher-361127-1176979235 -o ROOT/results/node27/solver-361127-1176979235 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/361127-1176979235/instance-361127-1176979235.opb            

META MD5SUM SOLVER= b11bf0769a124f73ad50b0fdfcd50482
MD5SUM BENCH=  23ed8dbd20669d86dd929140e0f9c164

RANDOM SEED= 971864310

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node27.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		: 3000.213
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	: 5931.00
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		: 3000.213
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:       1452088 kB
Buffers:         32204 kB
Cached:         494832 kB
SwapCached:       6696 kB
Active:          46400 kB
Inactive:       493824 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1452088 kB
SwapTotal:     4192956 kB
SwapFree:      4179984 kB
Dirty:            4664 kB
Writeback:           0 kB
Mapped:          16212 kB
Slab:            49676 kB
Committed_AS:  1676268 kB
PageTables:       1412 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= 66373 MiB

End job on node27 on Thu Apr 19 10:40:36 UTC 2007