Trace number 1879275

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 1.48577 1.48676

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_50_25_3_5.opb
MD5SUM9d9faeaf67c6c51fc2250ec9c55dd72f
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non 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 benchmark0.066988
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables100
Total number of constraints152
Number of constraints which are clauses50
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints101
Minimum length of a constraint2
Maximum length of a constraint100
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 5
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)2952
Sum of products size (including duplicates)5904
Number of different products1476
Sum of products size2952

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-1879275-1245248257.opb
0.00/0.00	c File size is 118616 bytes.
0.00/0.01	c Highest Coefficient sum: 100
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.014 s
0.00/0.01	c Var: 1576 Constr: 3105 1526/103/1476 Lit: 12158 Watch. Lit: 10540
0.00/0.01	c Obj. Vars: 0 (0 % of total variables)
1.29/1.33	c Pre-processing Time: 1.336 s
1.29/1.33	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.29/1.33	c        0   1576     3105    12158    3    10540   39847      0      0 1.34
1.29/1.33	c Switching off lower bounding mode.
1.39/1.48	c      106   1576     3317    21443    6    15999   43832    212     77 1.36
1.39/1.48	c      256   1576     3617    52441   14    25081   48216    512    178 1.43
1.39/1.48	c Backtracks by Clause: 312
1.39/1.48	c Backtracks by PB constraint: 24
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1.39/1.48	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.39/1.48	c    2      336    118     1658     3777    68775    672    226 1.48
1.39/1.48	s SATISFIABLE
1.39/1.48	c Total time: 1.484 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-1879275-1245248257/watcher-1879275-1245248257 -o /tmp/evaluation-result-1879275-1245248257/solver-1879275-1245248257 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1879275-1245248257.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: 1.03 1.00 1.00 3/65 1192
/proc/meminfo: memFree=1850296/2055920 swapFree=4175776/4192956
[pid=1192] ppid=1190 vsize=18636 CPUtime=0
/proc/1192/stat : 1192 (bsolo) R 1190 1192 509 0 -1 4194304 256 0 0 0 0 0 0 0 20 0 1 0 192423768 19083264 240 1992294400 134512640 137136520 4294956256 18446744073709551615 134517403 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1192/statm: 4659 240 175 640 0 3986 0

[startup+0.0547631 s]
/proc/loadavg: 1.03 1.00 1.00 3/65 1192
/proc/meminfo: memFree=1850296/2055920 swapFree=4175776/4192956
[pid=1192] ppid=1190 vsize=11532 CPUtime=0.05
/proc/1192/stat : 1192 (bsolo) R 1190 1192 509 0 -1 4194304 502 0 0 0 5 0 0 0 20 0 1 0 192423768 11808768 457 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1192/statm: 2883 457 189 640 0 2239 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 11532

[startup+0.101768 s]
/proc/loadavg: 1.03 1.00 1.00 3/65 1192
/proc/meminfo: memFree=1850296/2055920 swapFree=4175776/4192956
[pid=1192] ppid=1190 vsize=11532 CPUtime=0.09
/proc/1192/stat : 1192 (bsolo) R 1190 1192 509 0 -1 4194304 502 0 0 0 9 0 0 0 20 0 1 0 192423768 11808768 457 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1192/statm: 2883 457 189 640 0 2239 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11532

[startup+0.301788 s]
/proc/loadavg: 1.03 1.00 1.00 3/65 1192
/proc/meminfo: memFree=1850296/2055920 swapFree=4175776/4192956
[pid=1192] ppid=1190 vsize=11532 CPUtime=0.29
/proc/1192/stat : 1192 (bsolo) R 1190 1192 509 0 -1 4194304 503 0 0 0 29 0 0 0 22 0 1 0 192423768 11808768 458 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1192/statm: 2883 458 189 640 0 2239 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11532

[startup+0.701831 s]
/proc/loadavg: 1.03 1.00 1.00 3/65 1192
/proc/meminfo: memFree=1850296/2055920 swapFree=4175776/4192956
[pid=1192] ppid=1190 vsize=11532 CPUtime=0.69
/proc/1192/stat : 1192 (bsolo) R 1190 1192 509 0 -1 4194304 503 0 0 0 69 0 0 0 25 0 1 0 192423768 11808768 458 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1192/statm: 2883 458 189 640 0 2239 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11532

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

[startup+1.10588 s]
/proc/loadavg: 1.03 1.00 1.00 2/66 1193
/proc/meminfo: memFree=1849264/2055920 swapFree=4175776/4192956
[pid=1192] ppid=1190 vsize=11532 CPUtime=1.1
/proc/1192/stat : 1192 (bsolo) R 1190 1192 509 0 -1 4194304 503 0 0 0 110 0 0 0 25 0 1 0 192423768 11808768 458 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1192/statm: 2883 458 189 640 0 2239 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 11532

[startup+1.30189 s]
/proc/loadavg: 1.03 1.00 1.00 2/66 1193
/proc/meminfo: memFree=1849264/2055920 swapFree=4175776/4192956
[pid=1192] ppid=1190 vsize=11532 CPUtime=1.29
/proc/1192/stat : 1192 (bsolo) R 1190 1192 509 0 -1 4194304 503 0 0 0 129 0 0 0 25 0 1 0 192423768 11808768 458 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1192/statm: 2883 458 189 640 0 2239 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 11532

[startup+1.40191 s]
/proc/loadavg: 1.03 1.00 1.00 2/66 1193
/proc/meminfo: memFree=1849264/2055920 swapFree=4175776/4192956
[pid=1192] ppid=1190 vsize=12180 CPUtime=1.39
/proc/1192/stat : 1192 (bsolo) R 1190 1192 509 0 -1 4194304 659 0 0 0 139 0 0 0 25 0 1 0 192423768 12472320 614 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1192/statm: 3045 614 197 640 0 2401 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 12180

Child status: 0
Real time (s): 1.48676
CPU time (s): 1.48577
CPU user time (s): 1.47778
CPU system time (s): 0.007998
CPU usage (%): 99.9333
Max. virtual memory (cumulated for all children) (KiB): 12180

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.47778
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= 2
involuntary context switches= 2

runsolver used 0.005999 second user time and 0.006998 second system time

The end

Launcher Data

Begin job on node82 at 2009-06-17 16:17:37
IDJOB=1879275
IDBENCH=48330
IDSOLVER=701
FILE ID=node82/1879275-1245248257
PBS_JOBID= 9372269
Free space on /tmp= 66388 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_50_25_3_5.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1879275-1245248257/watcher-1879275-1245248257 -o /tmp/evaluation-result-1879275-1245248257/solver-1879275-1245248257 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1879275-1245248257.opb

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

MD5SUM BENCH= 9d9faeaf67c6c51fc2250ec9c55dd72f
RANDOM SEED=1679835612

node82.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		: 3000.232
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		: 3000.232
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1850904 kB
Buffers:         23240 kB
Cached:         112196 kB
SwapCached:      10628 kB
Active:          26752 kB
Inactive:       122024 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1850904 kB
SwapTotal:     4192956 kB
SwapFree:      4175776 kB
Dirty:            4220 kB
Writeback:           0 kB
Mapped:          19056 kB
Slab:            42232 kB
Committed_AS:   102240 kB
PageTables:       1400 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1879275-1245248257.opb

Free space on /tmp at the end= 66384 MiB
End job on node82 at 2009-06-17 16:17:39