Trace number 1877698

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 4.5943 4.59599

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/
submitted-PB06/roussel/normalized-pigeon-cardinality-91-90.opb
MD5SUMfff7b3dc5d07bd6a4fd3046b5e5241f1
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 benchmark0.509922
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables8190
Total number of constraints181
Number of constraints which are clauses91
Number of constraints which are cardinality constraints (but not clauses)90
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint90
Maximum length of a constraint91
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 92
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-1877698-1245169575.opb
0.00/0.00	c File size is 146765 bytes.
0.00/0.02	c Highest Coefficient sum: 92
0.00/0.02	c Parsing was ok!!
0.00/0.02	c Total parsing time: 0.024 s
0.00/0.02	c Var: 8190 Constr: 181 91/90/0 Lit: 16380 Watch. Lit: 8372
0.00/0.02	c Obj. Vars: 0 (0 % of total variables)
0.79/0.86	c Pre-processing Time: 0.863 s
0.79/0.86	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.79/0.86	c        0   8190      181    16380   90     8372   90030      0      0 0.86
0.79/0.86	c Switching off lower bounding mode.
4.49/4.59	c      100   8190      315   193177  613    47189   99034    134     84 1.18
4.49/4.59	c      253   8190      495   400908  809    64689  108938    314    164 1.54
4.49/4.59	c      479   8190      760   766870 1009   109885  119832    579    195 2.45
4.49/4.59	c Backtracks by Clause: 571
4.49/4.59	c Backtracks by PB constraint: 140
4.49/4.59	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
4.49/4.59	c    3      803    450    44146     1133  1254197    952    174 4.59
4.49/4.59	s UNSATISFIABLE
4.49/4.59	c Total time: 4.589 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-1877698-1245169575/watcher-1877698-1245169575 -o /tmp/evaluation-result-1877698-1245169575/solver-1877698-1245169575 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877698-1245169575.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 2955
/proc/meminfo: memFree=1920240/2055920 swapFree=4181652/4192956
[pid=2955] ppid=2953 vsize=18672 CPUtime=0
/proc/2955/stat : 2955 (bsolo) R 2953 2955 2588 0 -1 4194304 267 0 0 0 0 0 0 0 18 0 1 0 184557689 19120128 251 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2955/statm: 4668 251 174 640 0 3988 0

[startup+0.0866289 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2955
/proc/meminfo: memFree=1920240/2055920 swapFree=4181652/4192956
[pid=2955] ppid=2953 vsize=12344 CPUtime=0.08
/proc/2955/stat : 2955 (bsolo) R 2953 2955 2588 0 -1 4194304 669 0 0 0 8 0 0 0 18 0 1 0 184557689 12640256 617 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2955/statm: 3086 617 188 640 0 2442 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 12344

[startup+0.10263 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2955
/proc/meminfo: memFree=1920240/2055920 swapFree=4181652/4192956
[pid=2955] ppid=2953 vsize=12344 CPUtime=0.09
/proc/2955/stat : 2955 (bsolo) R 2953 2955 2588 0 -1 4194304 669 0 0 0 9 0 0 0 18 0 1 0 184557689 12640256 617 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2955/statm: 3086 617 188 640 0 2442 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12344

[startup+0.301649 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2955
/proc/meminfo: memFree=1920240/2055920 swapFree=4181652/4192956
[pid=2955] ppid=2953 vsize=12488 CPUtime=0.29
/proc/2955/stat : 2955 (bsolo) R 2953 2955 2588 0 -1 4194304 801 0 0 0 29 0 0 0 19 0 1 0 184557689 12787712 685 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2955/statm: 3122 685 190 640 0 2478 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12488

[startup+0.702687 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2955
/proc/meminfo: memFree=1920240/2055920 swapFree=4181652/4192956
[pid=2955] ppid=2953 vsize=12488 CPUtime=0.7
/proc/2955/stat : 2955 (bsolo) R 2953 2955 2588 0 -1 4194304 801 0 0 0 69 1 0 0 22 0 1 0 184557689 12787712 685 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2955/statm: 3122 685 190 640 0 2478 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 12488

[startup+1.50176 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2956
/proc/meminfo: memFree=1916584/2055920 swapFree=4181652/4192956
[pid=2955] ppid=2953 vsize=18264 CPUtime=1.49
/proc/2955/stat : 2955 (bsolo) R 2953 2955 2588 0 -1 4194304 2620 0 0 0 146 3 0 0 25 0 1 0 184557689 18702336 2133 1992294400 134512640 137136520 4294956256 18446744073709551615 134598053 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2955/statm: 4566 2133 196 640 0 3922 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 18264

[startup+3.10192 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2956
/proc/meminfo: memFree=1907560/2055920 swapFree=4181652/4192956
[pid=2955] ppid=2953 vsize=26696 CPUtime=3.09
/proc/2955/stat : 2955 (bsolo) R 2953 2955 2588 0 -1 4194304 6115 0 0 0 304 5 0 0 25 0 1 0 184557689 27336704 4243 1992294400 134512640 137136520 4294956256 18446744073709551615 134572442 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2955/statm: 6674 4243 196 640 0 6030 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 26696

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

[startup+3.90199 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2956
/proc/meminfo: memFree=1902760/2055920 swapFree=4181652/4192956
[pid=2955] ppid=2953 vsize=30840 CPUtime=3.89
/proc/2955/stat : 2955 (bsolo) R 2953 2955 2588 0 -1 4194304 8015 0 0 0 382 7 0 0 25 0 1 0 184557689 31580160 5263 1992294400 134512640 137136520 4294956256 18446744073709551615 134574203 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2955/statm: 7710 5263 196 640 0 7066 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 30840

[startup+4.30103 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2956
/proc/meminfo: memFree=1898728/2055920 swapFree=4181652/4192956
[pid=2955] ppid=2953 vsize=31672 CPUtime=4.29
/proc/2955/stat : 2955 (bsolo) R 2953 2955 2588 0 -1 4194304 8384 0 0 0 422 7 0 0 25 0 1 0 184557689 32432128 5500 1992294400 134512640 137136520 4294956256 18446744073709551615 134616694 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2955/statm: 7918 5500 196 640 0 7274 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 31672

[startup+4.50105 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2956
/proc/meminfo: memFree=1898728/2055920 swapFree=4181652/4192956
[pid=2955] ppid=2953 vsize=31824 CPUtime=4.49
/proc/2955/stat : 2955 (bsolo) R 2953 2955 2588 0 -1 4194304 8424 0 0 0 442 7 0 0 25 0 1 0 184557689 32587776 5536 1992294400 134512640 137136520 4294956256 18446744073709551615 134616694 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2955/statm: 7956 5536 196 640 0 7312 0
Current children cumulated CPU time (s) 4.49
Current children cumulated vsize (KiB) 31824

Child status: 0
Real time (s): 4.59599
CPU time (s): 4.5943
CPU user time (s): 4.50831
CPU system time (s): 0.085986
CPU usage (%): 99.9632
Max. virtual memory (cumulated for all children) (KiB): 31824

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.50831
system time used= 0.085986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8482
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= 5

runsolver used 0.007998 second user time and 0.015997 second system time

The end

Launcher Data 

Begin job on node18 at 2009-06-16 18:26:15
IDJOB=1877698
IDBENCH=2584
IDSOLVER=699
FILE ID=node18/1877698-1245169575
PBS_JOBID= 9363849
Free space on /tmp= 66172 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06/final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/roussel/normalized-pigeon-cardinality-91-90.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877698-1245169575/watcher-1877698-1245169575 -o /tmp/evaluation-result-1877698-1245169575/solver-1877698-1245169575 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877698-1245169575.opb

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

MD5SUM BENCH= fff7b3dc5d07bd6a4fd3046b5e5241f1
RANDOM SEED=1451085070

node18.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:       1920656 kB
Buffers:         31316 kB
Cached:          59636 kB
SwapCached:       5540 kB
Active:          48312 kB
Inactive:        50576 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1920656 kB
SwapTotal:     4192956 kB
SwapFree:      4181652 kB
Dirty:            4080 kB
Writeback:           0 kB
Mapped:          12940 kB
Slab:            22404 kB
Committed_AS:   149680 kB
PageTables:       1376 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-1877698-1245169575.opb

Free space on /tmp at the end= 66168 MiB
End job on node18 at 2009-06-16 18:26:20