Trace number 1877695

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 3.1UNSAT 1.90771 1.90841

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/
submitted-PB06/roussel/normalized-pigeon-cardinality-85-80.opb
MD5SUMa4a494535709e59392e65403b829113d
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.406937
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables6800
Total number of constraints165
Number of constraints which are clauses85
Number of constraints which are cardinality constraints (but not clauses)80
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint80
Maximum length of a constraint85
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 86
Number of bits of the biggest sum of numbers7
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: Cardinality Constraint 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-1877695-1245169399.opb
0.00/0.00	c File size is 121623 bytes.
0.00/0.02	c Highest Coefficient sum: 86
0.00/0.02	c Parsing was ok!!
0.00/0.02	c Total parsing time: 0.02 s
0.00/0.02	c Var: 6800 Constr: 165 85/80/0 Lit: 13600 Watch. Lit: 6970
0.00/0.02	c Obj. Vars: 0 (0 % of total variables)
0.59/0.61	c Pre-processing Time: 0.615 s
0.59/0.61	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.59/0.61	c        0   6800      165    13600   82     6970   80028      0      0 0.61
0.59/0.61	c Switching off lower bounding mode.
1.89/1.90	c      102   6800      300   203358  677    45003   88031    135     95 1.07
1.89/1.90	c      254   6800      483   356151  737    62603   96835    318    190 1.34
1.89/1.90	c Backtracks by Clause: 295
1.89/1.90	c Backtracks by PB constraint: 104
1.89/1.90	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.89/1.90	c    2      399    290    23258      671   569973    506    209 1.90
1.89/1.90	s UNSATISFIABLE
1.89/1.90	c Total time: 1.903 s

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1877695-1245169399/watcher-1877695-1245169399 -o /tmp/evaluation-result-1877695-1245169399/solver-1877695-1245169399 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877695-1245169399.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: 1.00 1.00 1.00 3/64 2373
/proc/meminfo: memFree=1852464/2055920 swapFree=4192812/4192956
[pid=2373] ppid=2371 vsize=18648 CPUtime=0
/proc/2373/stat : 2373 (bsolo) R 2371 2373 2070 0 -1 4194304 267 0 0 0 0 0 0 0 18 0 1 0 184540626 19095552 251 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2373/statm: 4662 252 174 640 0 3988 0

[startup+0.072653 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2373
/proc/meminfo: memFree=1852464/2055920 swapFree=4192812/4192956
[pid=2373] ppid=2371 vsize=11952 CPUtime=0.06
/proc/2373/stat : 2373 (bsolo) R 2371 2373 2070 0 -1 4194304 600 0 0 0 6 0 0 0 18 0 1 0 184540626 12238848 554 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2373/statm: 2988 554 188 640 0 2344 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 11952

[startup+0.101659 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2373
/proc/meminfo: memFree=1852464/2055920 swapFree=4192812/4192956
[pid=2373] ppid=2371 vsize=11952 CPUtime=0.09
/proc/2373/stat : 2373 (bsolo) R 2371 2373 2070 0 -1 4194304 600 0 0 0 9 0 0 0 18 0 1 0 184540626 12238848 554 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2373/statm: 2988 554 188 640 0 2344 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11952

[startup+0.301703 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2373
/proc/meminfo: memFree=1852464/2055920 swapFree=4192812/4192956
[pid=2373] ppid=2371 vsize=12204 CPUtime=0.29
/proc/2373/stat : 2373 (bsolo) R 2371 2373 2070 0 -1 4194304 705 0 0 0 29 0 0 0 19 0 1 0 184540626 12496896 611 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2373/statm: 3051 611 190 640 0 2407 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12204

[startup+0.701789 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2373
/proc/meminfo: memFree=1852464/2055920 swapFree=4192812/4192956
[pid=2373] ppid=2371 vsize=12992 CPUtime=0.69
/proc/2373/stat : 2373 (bsolo) R 2371 2373 2070 0 -1 4194304 946 0 0 0 68 1 0 0 22 0 1 0 184540626 13303808 829 1992294400 134512640 137136520 4294956256 18446744073709551615 136501958 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2373/statm: 3248 829 196 640 0 2604 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12992

[startup+1.50196 s]
/proc/loadavg: 1.16 1.03 1.01 2/65 2374
/proc/meminfo: memFree=1847656/2055920 swapFree=4192812/4192956
[pid=2373] ppid=2371 vsize=19544 CPUtime=1.49
/proc/2373/stat : 2373 (bsolo) R 2371 2373 2070 0 -1 4194304 2698 0 0 0 147 2 0 0 25 0 1 0 184540626 20013056 2475 1992294400 134512640 137136520 4294956256 18446744073709551615 134598653 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2373/statm: 4886 2475 196 640 0 4242 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 19544

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

[startup+1.90206 s]
/proc/loadavg: 1.16 1.03 1.01 2/65 2374
/proc/meminfo: memFree=1847656/2055920 swapFree=4192812/4192956
[pid=2373] ppid=2371 vsize=21484 CPUtime=1.89
/proc/2373/stat : 2373 (bsolo) R 2371 2373 2070 0 -1 4194304 3225 0 0 0 187 2 0 0 25 0 1 0 184540626 21999616 2941 1992294400 134512640 137136520 4294956256 18446744073709551615 134616694 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2373/statm: 5371 2941 196 640 0 4727 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 21484

Child status: 0
Real time (s): 1.90841
CPU time (s): 1.90771
CPU user time (s): 1.87571
CPU system time (s): 0.031995
CPU usage (%): 99.9632
Max. virtual memory (cumulated for all children) (KiB): 21484

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.87571
system time used= 0.031995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3233
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 0.004999 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node10 at 2009-06-16 18:23:19
IDJOB=1877695
IDBENCH=2580
IDSOLVER=699
FILE ID=node10/1877695-1245169399
PBS_JOBID= 9363838
Free space on /tmp= 65988 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06/final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/roussel/normalized-pigeon-cardinality-85-80.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877695-1245169399/watcher-1877695-1245169399 -o /tmp/evaluation-result-1877695-1245169399/solver-1877695-1245169399 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877695-1245169399.opb

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

MD5SUM BENCH= a4a494535709e59392e65403b829113d
RANDOM SEED=1728453215

node10.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		: 3000.263
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		: 3000.263
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:       1852880 kB
Buffers:         40276 kB
Cached:          96472 kB
SwapCached:          0 kB
Active:          36932 kB
Inactive:       113284 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1852880 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4056 kB
Writeback:           0 kB
Mapped:          23232 kB
Slab:            38812 kB
Committed_AS:   181280 kB
PageTables:       1380 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-1877695-1245169399.opb

Free space on /tmp at the end= 65984 MiB
End job on node10 at 2009-06-16 18:23:21