Trace number 1877268

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 37.5373 37.5497

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111219799.opb
MD5SUMcba3382bbee77fcf135813784b93f366
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 benchmark0.807876
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
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 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1258
Number of bits of the biggest sum of numbers11
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-1877268-1245115568.opb
0.00/0.00	c File size is 9909 bytes.
0.00/0.00	c Highest Coefficient sum: 1258
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.001 s
0.00/0.00	c Var: 169 Constr: 101 30/70/1 Lit: 1205 Watch. Lit: 902
0.00/0.00	c Obj. Vars: 0 (0 % of total variables)
0.00/0.00	c Pre-processing Time: 0.006 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    169       99     1179   11      880    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
37.48/37.54	c      103    169      208     4884   23     1107    2820    109   4478 0.02
37.48/37.54	c      253    169      362     9620   26     1417    3103    263   4960 0.05
37.48/37.54	c      479    169      594    15920   26     1881    3414    495   5042 0.10
37.48/37.54	c      818    169      939    25996   27     2572    3756    840   4701 0.17
37.48/37.54	c     1326    169     1456    44489   30     3606    4132   1357   4130 0.32
37.48/37.54	c     2089    169     2236    73983   33     5166    4546   2137   3534 0.59
37.48/37.54	c     3235    169     3415   110834   32     7538    5001   3316   3057 1.06
37.48/37.54	c     4956    169     2601    78595   30     5895    5502   2502   2553 1.94
37.48/37.54	c     7541    169     5279   171759   32    11263    6053   5180   2306 3.27
37.48/37.54	c    11420    169     3127   115284   36     6953    6659   3028   2014 5.67
37.48/37.54	c    17243    169     5729   204642   35    12174    7325   5630   1882 9.16
37.48/37.54	c    25980    169     7229   253747   35    15172    8058   7130   1680 15.46
37.48/37.54	c    39091    169     4219   154379   36     9175    8864   4120   1544 25.30
37.48/37.54	c Backtracks by Clause: 53874
37.48/37.54	c Backtracks by PB constraint: 23
37.48/37.54	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
37.48/37.54	c   13    53897  14668    85859     5848   210981   5749   1435 37.53
37.48/37.54	s UNSATISFIABLE
37.48/37.54	c Total time: 37.534 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-1877268-1245115568/watcher-1877268-1245115568 -o /tmp/evaluation-result-1877268-1245115568/solver-1877268-1245115568 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877268-1245115568.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 1.08 3/65 32142
/proc/meminfo: memFree=905344/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=10708 CPUtime=0
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 258 0 0 0 0 0 0 0 20 0 1 0 168083254 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 2677 239 188 640 0 2033 0

[startup+0.0699299 s]
/proc/loadavg: 1.00 1.00 1.08 3/65 32142
/proc/meminfo: memFree=905344/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=10832 CPUtime=0.06
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 315 0 0 0 6 0 0 0 20 0 1 0 168083254 11091968 296 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 2708 296 196 640 0 2064 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 10832

[startup+0.101933 s]
/proc/loadavg: 1.00 1.00 1.08 3/65 32142
/proc/meminfo: memFree=905344/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=10956 CPUtime=0.09
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 331 0 0 0 9 0 0 0 20 0 1 0 168083254 11218944 312 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 2739 312 196 640 0 2095 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10956

[startup+0.301951 s]
/proc/loadavg: 1.00 1.00 1.08 3/65 32142
/proc/meminfo: memFree=905344/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=11328 CPUtime=0.29
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 435 0 0 0 29 0 0 0 22 0 1 0 168083254 11599872 416 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 2832 416 196 640 0 2188 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11328

[startup+0.701988 s]
/proc/loadavg: 1.00 1.00 1.08 3/65 32142
/proc/meminfo: memFree=905344/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=11944 CPUtime=0.69
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 598 0 0 0 69 0 0 0 25 0 1 0 168083254 12230656 579 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 2986 579 196 640 0 2342 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11944

[startup+1.50106 s]
/proc/loadavg: 1.00 1.00 1.08 2/66 32143
/proc/meminfo: memFree=903352/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=12932 CPUtime=1.49
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 833 0 0 0 148 1 0 0 25 0 1 0 168083254 13242368 814 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 3233 814 196 640 0 2589 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12932

[startup+3.10122 s]
/proc/loadavg: 1.00 1.00 1.08 2/66 32143
/proc/meminfo: memFree=902200/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=13428 CPUtime=3.08
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 949 0 0 0 307 1 0 0 25 0 1 0 168083254 13750272 930 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 3357 930 196 640 0 2713 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 13428

[startup+6.30152 s]
/proc/loadavg: 1.00 1.00 1.08 2/66 32143
/proc/meminfo: memFree=901496/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=14168 CPUtime=6.29
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 1149 0 0 0 626 3 0 0 25 0 1 0 168083254 14508032 1130 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 3542 1130 196 640 0 2898 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14168

[startup+12.7021 s]
/proc/loadavg: 1.00 1.00 1.08 2/66 32143
/proc/meminfo: memFree=900480/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=15020 CPUtime=12.69
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 1360 0 0 0 1264 5 0 0 25 0 1 0 168083254 15380480 1341 1992294400 134512640 137136520 4294956256 18446744073709551615 134544402 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 3755 1341 196 640 0 3111 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 15020

[startup+25.5013 s]
/proc/loadavg: 1.00 1.00 1.08 2/66 32143
/proc/meminfo: memFree=900032/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=15632 CPUtime=25.48
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 1506 0 0 0 2541 7 0 0 25 0 1 0 168083254 16007168 1487 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 3908 1487 196 640 0 3264 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 15632

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

[startup+31.9059 s]
/proc/loadavg: 1.00 1.00 1.08 2/66 32143
/proc/meminfo: memFree=899328/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=16244 CPUtime=31.89
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 1662 0 0 0 3180 9 0 0 25 0 1 0 168083254 16633856 1643 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 4061 1643 196 640 0 3417 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 16244

[startup+35.1012 s]
/proc/loadavg: 1.00 1.00 1.08 2/66 32143
/proc/meminfo: memFree=899008/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=16608 CPUtime=35.09
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 1750 0 0 0 3499 10 0 0 25 0 1 0 168083254 17006592 1731 1992294400 134512640 137136520 4294956256 18446744073709551615 134544148 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 4152 1731 196 640 0 3508 0
Current children cumulated CPU time (s) 35.09
Current children cumulated vsize (KiB) 16608

[startup+36.7014 s]
/proc/loadavg: 1.00 1.00 1.08 2/66 32143
/proc/meminfo: memFree=899008/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=16608 CPUtime=36.68
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 1750 0 0 0 3658 10 0 0 25 0 1 0 168083254 17006592 1731 1992294400 134512640 137136520 4294956256 18446744073709551615 134544366 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 4152 1731 196 640 0 3508 0
Current children cumulated CPU time (s) 36.68
Current children cumulated vsize (KiB) 16608

[startup+37.1014 s]
/proc/loadavg: 1.00 1.00 1.08 2/66 32143
/proc/meminfo: memFree=899008/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=16608 CPUtime=37.08
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 1750 0 0 0 3698 10 0 0 25 0 1 0 168083254 17006592 1731 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 4152 1731 196 640 0 3508 0
Current children cumulated CPU time (s) 37.08
Current children cumulated vsize (KiB) 16608

[startup+37.5014 s]
/proc/loadavg: 1.00 1.00 1.08 2/66 32143
/proc/meminfo: memFree=899008/2055920 swapFree=4192812/4192956
[pid=32142] ppid=32140 vsize=16608 CPUtime=37.48
/proc/32142/stat : 32142 (bsolo) R 32140 32142 32018 0 -1 4194304 1750 0 0 0 3738 10 0 0 25 0 1 0 168083254 17006592 1731 1992294400 134512640 137136520 4294956256 18446744073709551615 134543927 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32142/statm: 4152 1731 196 640 0 3508 0
Current children cumulated CPU time (s) 37.48
Current children cumulated vsize (KiB) 16608

Child status: 0
Real time (s): 37.5497
CPU time (s): 37.5373
CPU user time (s): 37.4283
CPU system time (s): 0.108983
CPU usage (%): 99.9669
Max. virtual memory (cumulated for all children) (KiB): 16608

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 37.4283
system time used= 0.108983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1751
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= 95

runsolver used 0.038994 second user time and 0.105983 second system time

The end

Launcher Data 

Begin job on node8 at 2009-06-16 03:26:08
IDJOB=1877268
IDBENCH=1197
IDSOLVER=699
FILE ID=node8/1877268-1245115568
PBS_JOBID= 9363662
Free space on /tmp= 66316 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111219799.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877268-1245115568/watcher-1877268-1245115568 -o /tmp/evaluation-result-1877268-1245115568/solver-1877268-1245115568 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877268-1245115568.opb

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

MD5SUM BENCH= cba3382bbee77fcf135813784b93f366
RANDOM SEED=1082181013

node8.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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:        905824 kB
Buffers:         89072 kB
Cached:         950984 kB
SwapCached:        140 kB
Active:         124484 kB
Inactive:       930536 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        905824 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4072 kB
Writeback:           0 kB
Mapped:          24592 kB
Slab:            80928 kB
Committed_AS:   153160 kB
PageTables:       1376 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66312 MiB
End job on node8 at 2009-06-16 03:26:46