Trace number 1877845

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 2.22266 2.22293

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: 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-1877845-1245215299.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: 0.015 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)
1.29/1.34	c Pre-processing Time: 1.341 s
1.29/1.34	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.29/1.34	c        0   1576     3105    12158    3    10540   39847      0      0 1.34
1.29/1.34	c Switching off lower bounding mode.
2.19/2.22	c      113   1576     3218    21231    6    10766   43832    113     83 1.36
2.19/2.22	c      283   1576     3388    34318   10    11106   48216    283    203 1.39
2.19/2.22	c      508   1576     3613    51620   14    11556   53038    508    354 1.43
2.19/2.22	c      848   1576     3953    78532   19    12236   58342    848    566 1.50
2.19/2.22	c     1356   1576     4461   115930   25    13252   64177   1356    829 1.63
2.19/2.22	c     2120   1576     5225   179341   34    14780   70595   2120   1172 1.81
2.19/2.22	c     3267   1576     6372   270275   42    17074   77655   3267   1494 2.19
2.19/2.22	c Backtracks by Clause: 0
2.19/2.22	c Backtracks by PB constraint: 0
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2.19/2.22	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
2.19/2.22	c    7     3369    379     6827     6474   271265   3369   1517 2.22
2.19/2.22	s SATISFIABLE
2.19/2.22	c Total time: 2.22 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-1877845-1245215299/watcher-1877845-1245215299 -o /tmp/evaluation-result-1877845-1245215299/solver-1877845-1245215299 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1877845-1245215299.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: 0.99 0.98 0.99 3/64 6819
/proc/meminfo: memFree=1830712/2055920 swapFree=4191900/4192956
[pid=6819] ppid=6817 vsize=10824 CPUtime=0
/proc/6819/stat : 6819 (bsolo) R 6817 6819 6331 0 -1 4194304 260 0 0 0 0 0 0 0 18 0 1 0 189130491 11083776 244 1992294400 134512640 137136520 4294956256 18446744073709551615 134531237 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6819/statm: 2706 244 175 640 0 2033 0

[startup+0.0686991 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 6819
/proc/meminfo: memFree=1830712/2055920 swapFree=4191900/4192956
[pid=6819] ppid=6817 vsize=11532 CPUtime=0.06
/proc/6819/stat : 6819 (bsolo) R 6817 6819 6331 0 -1 4194304 502 0 0 0 6 0 0 0 18 0 1 0 189130491 11808768 457 1992294400 134512640 137136520 4294956256 18446744073709551615 134544334 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6819/statm: 2883 457 189 640 0 2239 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 11532

[startup+0.101701 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 6819
/proc/meminfo: memFree=1830712/2055920 swapFree=4191900/4192956
[pid=6819] ppid=6817 vsize=11532 CPUtime=0.09
/proc/6819/stat : 6819 (bsolo) R 6817 6819 6331 0 -1 4194304 502 0 0 0 9 0 0 0 18 0 1 0 189130491 11808768 457 1992294400 134512640 137136520 4294956256 18446744073709551615 134544632 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6819/statm: 2883 457 189 640 0 2239 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11532

[startup+0.301725 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 6819
/proc/meminfo: memFree=1830712/2055920 swapFree=4191900/4192956
[pid=6819] ppid=6817 vsize=11532 CPUtime=0.29
/proc/6819/stat : 6819 (bsolo) R 6817 6819 6331 0 -1 4194304 503 0 0 0 29 0 0 0 19 0 1 0 189130491 11808768 458 1992294400 134512640 137136520 4294956256 18446744073709551615 134543819 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6819/statm: 2883 458 189 640 0 2239 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11532

[startup+0.701772 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 6819
/proc/meminfo: memFree=1830712/2055920 swapFree=4191900/4192956
[pid=6819] ppid=6817 vsize=11532 CPUtime=0.69
/proc/6819/stat : 6819 (bsolo) R 6817 6819 6331 0 -1 4194304 503 0 0 0 69 0 0 0 23 0 1 0 189130491 11808768 458 1992294400 134512640 137136520 4294956256 18446744073709551615 134563010 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6819/statm: 2883 458 189 640 0 2239 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11532

[startup+1.50186 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 6820
/proc/meminfo: memFree=1829552/2055920 swapFree=4191900/4192956
[pid=6819] ppid=6817 vsize=12496 CPUtime=1.49
/proc/6819/stat : 6819 (bsolo) R 6817 6819 6331 0 -1 4194304 741 0 0 0 148 1 0 0 25 0 1 0 189130491 12795904 696 1992294400 134512640 137136520 4294956256 18446744073709551615 134543878 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6819/statm: 3124 697 196 640 0 2480 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12496

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

[startup+1.90191 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 6820
/proc/meminfo: memFree=1829552/2055920 swapFree=4191900/4192956
[pid=6819] ppid=6817 vsize=14160 CPUtime=1.89
/proc/6819/stat : 6819 (bsolo) R 6817 6819 6331 0 -1 4194304 1179 0 0 0 188 1 0 0 25 0 1 0 189130491 14499840 1134 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6819/statm: 3540 1134 196 640 0 2896 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 14160

[startup+2.10193 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 6820
/proc/meminfo: memFree=1826032/2055920 swapFree=4191900/4192956
[pid=6819] ppid=6817 vsize=14888 CPUtime=2.09
/proc/6819/stat : 6819 (bsolo) R 6817 6819 6331 0 -1 4194304 1361 0 0 0 208 1 0 0 25 0 1 0 189130491 15245312 1316 1992294400 134512640 137136520 4294956256 18446744073709551615 134543965 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6819/statm: 3722 1316 196 640 0 3078 0
Current children cumulated CPU time (s) 2.09
Current children cumulated vsize (KiB) 14888

[startup+2.20595 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 6820
/proc/meminfo: memFree=1826032/2055920 swapFree=4191900/4192956
[pid=6819] ppid=6817 vsize=15132 CPUtime=2.19
/proc/6819/stat : 6819 (bsolo) R 6817 6819 6331 0 -1 4194304 1423 0 0 0 218 1 0 0 25 0 1 0 189130491 15495168 1378 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/6819/statm: 3783 1378 196 640 0 3139 0
Current children cumulated CPU time (s) 2.19
Current children cumulated vsize (KiB) 15132

Child status: 0
Real time (s): 2.22293
CPU time (s): 2.22266
CPU user time (s): 2.20366
CPU system time (s): 0.018997
CPU usage (%): 99.9881
Max. virtual memory (cumulated for all children) (KiB): 15132

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.20366
system time used= 0.018997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1431
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= 7

runsolver used 0.002999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node11 at 2009-06-17 07:08:19
IDJOB=1877845
IDBENCH=48330
IDSOLVER=700
FILE ID=node11/1877845-1245215299
PBS_JOBID= 9368368
Free space on /tmp= 66196 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_50_25_3_5.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877845-1245215299/watcher-1877845-1245215299 -o /tmp/evaluation-result-1877845-1245215299/solver-1877845-1245215299 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1877845-1245215299.opb

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

MD5SUM BENCH= 9d9faeaf67c6c51fc2250ec9c55dd72f
RANDOM SEED=329355312

node11.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		: 3000.234
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		: 3000.234
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:       1831256 kB
Buffers:         41892 kB
Cached:         113108 kB
SwapCached:        516 kB
Active:          46836 kB
Inactive:       121224 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1831256 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            4316 kB
Writeback:           0 kB
Mapped:          21304 kB
Slab:            42552 kB
Committed_AS:   200248 kB
PageTables:       1452 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-1877845-1245215299.opb

Free space on /tmp at the end= 66192 MiB
End job on node11 at 2009-06-17 07:08:21