Trace number 2671211

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 3.2 CardSAT 0.365943 0.366849

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_100_10_1_15.opb
MD5SUM29dd42e0067afa72a17cd46c1f9628e9
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 benchmark0.043993
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables200
Total number of constraints302
Number of constraints which are clauses100
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints201
Minimum length of a constraint2
Maximum length of a constraint200
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 15
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 200
Number of bits of the biggest sum of numbers8
Number of products (including duplicates)2496
Sum of products size (including duplicates)4992
Number of different products1248
Sum of products size2496

Solver Data

0.00/0.00	c bsolo beta version 3.2 - 23/05/2010 : 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 Time Limit set to 1800
0.00/0.00	c Learning Strategy: Cardinality Constraint Learning
0.00/0.00	c Instance file HOME/instance-2671211-1276721347.opb
0.00/0.00	c File size is 106650 bytes.
0.00/0.02	c Highest Coefficient sum: 200
0.00/0.02	c Parsing was ok!!
0.00/0.02	c Total parsing time: 0.018 s
0.00/0.02	c Var: 1448 Constr: 2799 1348/203/1248 Lit: 10684 Watch. Lit: 9154
0.00/0.02	c Obj. Vars: 0 (0 % of total variables)
0.29/0.31	c Pre-processing Time: 0.308 s
0.29/0.31	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.31	c        0   1448     2799    10684    3     9154   20268      0      0 0.31
0.29/0.31	c Switching off lower bounding mode.
0.29/0.36	c      100   1448     2900    16965    5     9370   22295    101    294 0.34
0.29/0.36	c Backtracks by Clause: 184
0.29/0.36	c Backtracks by PB constraint: 1
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x199 -x200 
0.29/0.36	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.29/0.36	c    1      185     72     3430     2985    22183    186    508 0.36
0.29/0.36	s SATISFIABLE
0.29/0.36	c Total time: 0.364 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-2671211-1276721347/watcher-2671211-1276721347 -o /tmp/evaluation-result-2671211-1276721347/solver-2671211-1276721347 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l2 HOME/instance-2671211-1276721347.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: 0.92 1.01 0.99 3/106 12093
/proc/meminfo: memFree=1620008/2059040 swapFree=4140236/4192956
[pid=12093] ppid=12091 vsize=11036 CPUtime=0
/proc/12093/stat : 12093 (bsolo_pb10) R 12091 12093 11688 0 -1 4202496 340 0 0 0 0 0 0 0 25 0 1 0 45786595 11300864 258 1992294400 134512640 137138936 4292457232 18446744073709551615 136506636 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12093/statm: 2759 259 176 642 0 2088 0

[startup+0.0891029 s]
/proc/loadavg: 0.92 1.01 0.99 3/106 12093
/proc/meminfo: memFree=1620008/2059040 swapFree=4140236/4192956
[pid=12093] ppid=12091 vsize=11464 CPUtime=0.08
/proc/12093/stat : 12093 (bsolo_pb10) R 12091 12093 11688 0 -1 4202496 524 0 0 0 8 0 0 0 25 0 1 0 45786595 11739136 415 1992294400 134512640 137138936 4292457232 18446744073709551615 134542289 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12093/statm: 2866 415 184 642 0 2222 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 11464

[startup+0.101106 s]
/proc/loadavg: 0.92 1.01 0.99 3/106 12093
/proc/meminfo: memFree=1620008/2059040 swapFree=4140236/4192956
[pid=12093] ppid=12091 vsize=11464 CPUtime=0.09
/proc/12093/stat : 12093 (bsolo_pb10) R 12091 12093 11688 0 -1 4202496 524 0 0 0 9 0 0 0 25 0 1 0 45786595 11739136 415 1992294400 134512640 137138936 4292457232 18446744073709551615 134542233 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12093/statm: 2866 415 184 642 0 2222 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11464

[startup+0.301142 s]
/proc/loadavg: 0.92 1.01 0.99 3/106 12093
/proc/meminfo: memFree=1620008/2059040 swapFree=4140236/4192956
[pid=12093] ppid=12091 vsize=11596 CPUtime=0.29
/proc/12093/stat : 12093 (bsolo_pb10) R 12091 12093 11688 0 -1 4202496 570 0 0 0 29 0 0 0 25 0 1 0 45786595 11874304 461 1992294400 134512640 137138936 4292457232 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12093/statm: 2899 461 185 642 0 2255 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11596

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

Child status: 0
Real time (s): 0.366849
CPU time (s): 0.365943
CPU user time (s): 0.358945
CPU system time (s): 0.006998
CPU usage (%): 99.753
Max. virtual memory (cumulated for all children) (KiB): 11596

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.358945
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 585
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= 1
involuntary context switches= 1

runsolver used 0.004999 second user time and 0.007998 second system time

The end

Launcher Data

Begin job on node027 at 2010-06-16 22:49:07
IDJOB=2671211
IDBENCH=48309
IDSOLVER=1162
FILE ID=node027/2671211-1276721347
PBS_JOBID= 11174181
Free space on /tmp= 62536 MiB

SOLVER NAME= bsolo 3.2 Card
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_100_10_1_15.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l2 BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2671211-1276721347/watcher-2671211-1276721347 -o /tmp/evaluation-result-2671211-1276721347/solver-2671211-1276721347 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l2 HOME/instance-2671211-1276721347.opb

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

MD5SUM BENCH= 29dd42e0067afa72a17cd46c1f9628e9
RANDOM SEED=1665877015

node027.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 2800.261
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5600.52
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		: 2800.261
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1621156 kB
Buffers:        107152 kB
Cached:         233448 kB
SwapCached:       6276 kB
Active:         135868 kB
Inactive:       218468 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1621156 kB
SwapTotal:     4192956 kB
SwapFree:      4140236 kB
Dirty:            4040 kB
Writeback:           0 kB
AnonPages:       11800 kB
Mapped:          13008 kB
Slab:            61840 kB
PageTables:       3936 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181860 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264952 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-2671211-1276721347.opb

Free space on /tmp at the end= 62532 MiB
End job on node027 at 2010-06-16 22:49:08