Trace number 1885083

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 clSAT 27.8458 27.8574

General information on the benchmark

Name/PURE-SAT/SAT09/CRAFTED/edgematching/
explicit/em_7_4_9_exp.opb
MD5SUM8a8ab1fb9965f0a6ab2e49f3bbc9704b
Bench CategoryPURE-SAT (instances containing only clauses)
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 benchmark2.76858
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables1677
Total number of constraints26387
Number of constraints which are clauses26387
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
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 2
Number of bits of the biggest number in a constraint 2
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: Clause 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-1885083-1245262779.opb
0.00/0.00	c File size is 806935 bytes.
0.01/0.10	c Highest Coefficient sum: 26
0.01/0.10	c Parsing was ok!!
0.01/0.10	c Total parsing time: 0.098 s
0.09/0.11	c Var: 1677 Constr: 26387 26387/0/0 Lit: 71003 Watch. Lit: 52774
0.09/0.11	c Obj. Vars: 0 (0 % of total variables)
0.19/0.28	c Pre-processing Time: 0.286 s
0.19/0.29	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.29	c        0   1577    24781    67019    2    49562    8260      0      0 0.29
0.19/0.29	c Switching off lower bounding mode.
27.78/27.85	c      100   1577    24881    68388    2    49762    9087    100    332 0.30
27.78/27.85	c      252   1577    25033    73746    2    50066    9996    252    782 0.32
27.78/27.85	c      477   1577    25258    86679    3    50516   10996    477   1310 0.36
27.78/27.85	c      815   1577    25596    94564    3    51192   12096    815   1997 0.41
27.78/27.85	c     1323   1577    26104   118733    4    52208   13306   1323   2672 0.49
27.78/27.85	c     2087   1577    26868   164938    6    53736   14637   2087   3128 0.67
27.78/27.85	c     3233   1576    28014   240047    8    56027   16101   3233   3233 1.00
27.78/27.85	c     4954   1576    29735   392943   13    59469   17712   4954   2592 1.91
27.78/27.85	c     7538   1576    32319   580772   17    64637   19484   7538   2341 3.22
27.78/27.85	c    11417   1576    36198   923509   25    72395   21433  11417   1845 6.19
27.78/27.85	c    17239   1574    42020  1505885   35    84037   23577  17239   1309 13.17
27.78/27.85	c Backtracks by Clause: 0
27.78/27.85	c Backtracks by PB constraint: 0
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27.78/27.85	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
27.78/27.85	c   11    24973  12822   139153    37555   986910  12774    897 27.84
27.78/27.85	s SATISFIABLE
27.78/27.85	c Total time: 27.839 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-1885083-1245262779/watcher-1885083-1245262779 -o /tmp/evaluation-result-1885083-1245262779/solver-1885083-1245262779 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1885083-1245262779.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: 1.08 1.03 0.94 3/64 9924
/proc/meminfo: memFree=1825400/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=11504 CPUtime=0
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 263 0 0 0 0 0 0 0 18 0 1 0 193877862 11780096 247 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 2876 248 175 640 0 2034 0

[startup+0.0165259 s]
/proc/loadavg: 1.08 1.03 0.94 3/64 9924
/proc/meminfo: memFree=1825400/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=11916 CPUtime=0.01
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 382 0 0 0 1 0 0 0 18 0 1 0 193877862 12201984 366 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 2979 366 198 640 0 2137 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 11916

[startup+0.101535 s]
/proc/loadavg: 1.08 1.03 0.94 3/64 9924
/proc/meminfo: memFree=1825400/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=13608 CPUtime=0.09
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 1200 0 0 0 9 0 0 0 18 0 1 0 193877862 13934592 986 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 3435 988 186 640 0 2791 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 13608

[startup+0.301558 s]
/proc/loadavg: 1.08 1.03 0.94 3/64 9924
/proc/meminfo: memFree=1825400/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=15780 CPUtime=0.29
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 1931 0 0 0 28 1 0 0 20 0 1 0 193877862 16158720 1514 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 3945 1514 197 640 0 3301 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 15780

[startup+0.701601 s]
/proc/loadavg: 1.08 1.03 0.94 3/64 9924
/proc/meminfo: memFree=1825400/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=16252 CPUtime=0.69
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 2071 0 0 0 66 3 0 0 24 0 1 0 193877862 16642048 1654 1992294400 134512640 137136520 4294956256 18446744073709551615 134571152 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 4063 1654 197 640 0 3419 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16252

[startup+1.50169 s]
/proc/loadavg: 1.08 1.03 0.94 2/65 9925
/proc/meminfo: memFree=1818480/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=18544 CPUtime=1.49
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 2633 0 0 0 145 4 0 0 25 0 1 0 193877862 18989056 2216 1992294400 134512640 137136520 4294956256 18446744073709551615 134544010 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 4636 2216 197 640 0 3992 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 18544

[startup+3.10188 s]
/proc/loadavg: 1.08 1.03 0.94 2/65 9925
/proc/meminfo: memFree=1815920/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=21896 CPUtime=3.09
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 3483 0 0 0 303 6 0 0 25 0 1 0 193877862 22421504 3066 1992294400 134512640 137136520 4294956256 18446744073709551615 134543948 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 5474 3066 197 640 0 4830 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 21896

[startup+6.30124 s]
/proc/loadavg: 1.08 1.03 0.94 2/65 9925
/proc/meminfo: memFree=1809456/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=26960 CPUtime=6.29
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 4750 0 0 0 620 9 0 0 25 0 1 0 193877862 27607040 4333 1992294400 134512640 137136520 4294956256 18446744073709551615 134544369 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 6740 4333 197 640 0 6096 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 26960

[startup+12.702 s]
/proc/loadavg: 1.07 1.03 0.94 2/65 9925
/proc/meminfo: memFree=1801776/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=34472 CPUtime=12.69
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 6619 0 0 0 1256 13 0 0 25 0 1 0 193877862 35299328 6202 1992294400 134512640 137136520 4294956256 18446744073709551615 134544393 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 8618 6202 197 640 0 7974 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 34472

[startup+25.5014 s]
/proc/loadavg: 1.06 1.03 0.94 2/65 9925
/proc/meminfo: memFree=1792240/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=43764 CPUtime=25.48
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 8929 0 0 0 2531 17 0 0 25 0 1 0 193877862 44814336 8512 1992294400 134512640 137136520 4294956256 18446744073709551615 136518971 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 10941 8512 197 640 0 10297 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 43764

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

[startup+27.1016 s]
/proc/loadavg: 1.06 1.03 0.94 2/65 9925
/proc/meminfo: memFree=1791408/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=44492 CPUtime=27.08
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 9129 0 0 0 2690 18 0 0 25 0 1 0 193877862 45559808 8712 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 11123 8712 197 640 0 10479 0
Current children cumulated CPU time (s) 27.08
Current children cumulated vsize (KiB) 44492

[startup+27.5056 s]
/proc/loadavg: 1.06 1.03 0.94 2/65 9925
/proc/meminfo: memFree=1791216/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=44492 CPUtime=27.48
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 9129 0 0 0 2730 18 0 0 25 0 1 0 193877862 45559808 8712 1992294400 134512640 137136520 4294956256 18446744073709551615 134573436 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 11123 8712 197 640 0 10479 0
Current children cumulated CPU time (s) 27.48
Current children cumulated vsize (KiB) 44492

[startup+27.7017 s]
/proc/loadavg: 1.06 1.03 0.94 2/65 9925
/proc/meminfo: memFree=1791216/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=44492 CPUtime=27.68
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 9129 0 0 0 2750 18 0 0 25 0 1 0 193877862 45559808 8712 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 11123 8712 197 640 0 10479 0
Current children cumulated CPU time (s) 27.68
Current children cumulated vsize (KiB) 44492

[startup+27.8017 s]
/proc/loadavg: 1.06 1.03 0.94 2/65 9925
/proc/meminfo: memFree=1791216/2055920 swapFree=4181924/4192956
[pid=9924] ppid=9922 vsize=44492 CPUtime=27.78
/proc/9924/stat : 9924 (bsolo) R 9922 9924 9471 0 -1 4194304 9129 0 0 0 2760 18 0 0 25 0 1 0 193877862 45559808 8712 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 0 0 0
/proc/9924/statm: 11123 8712 197 640 0 10479 0
Current children cumulated CPU time (s) 27.78
Current children cumulated vsize (KiB) 44492

Child status: 0
Real time (s): 27.8574
CPU time (s): 27.8458
CPU user time (s): 27.6528
CPU system time (s): 0.19297
CPU usage (%): 99.9584
Max. virtual memory (cumulated for all children) (KiB): 44492

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 27.6528
system time used= 0.19297
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9132
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= 101

runsolver used 0.024996 second user time and 0.084987 second system time

The end

Launcher Data 

Begin job on node23 at 2009-06-17 20:19:39
IDJOB=1885083
IDBENCH=72021
IDSOLVER=700
FILE ID=node23/1885083-1245262779
PBS_JOBID= 9372430
Free space on /tmp= 66268 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB09/normalized-PB09/PURE-SAT/SAT09/CRAFTED/edgematching/explicit/em_7_4_9_exp.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1885083-1245262779/watcher-1885083-1245262779 -o /tmp/evaluation-result-1885083-1245262779/solver-1885083-1245262779 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1885083-1245262779.opb

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

MD5SUM BENCH= 8a8ab1fb9965f0a6ab2e49f3bbc9704b
RANDOM SEED=928446427

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:       1825880 kB
Buffers:         26616 kB
Cached:         140952 kB
SwapCached:       4540 kB
Active:          53564 kB
Inactive:       121576 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1825880 kB
SwapTotal:     4192956 kB
SwapFree:      4181924 kB
Dirty:            4740 kB
Writeback:           0 kB
Mapped:          14364 kB
Slab:            40884 kB
Committed_AS:   177728 kB
PageTables:       1392 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1885083-1245262779.opb

Free space on /tmp at the end= 66264 MiB
End job on node23 at 2009-06-17 20:20:07