Trace number 1880104

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 pbUNSAT 33.2959 33.3091

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110969860.opb
MD5SUM9be7288b45f2af67adcc248a2ea928cc
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 benchmark1.08183
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 1147
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: Generic Pseudo-Boolean 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-1880104-1245115292.opb
0.00/0.00	c File size is 9892 bytes.
0.00/0.00	c Highest Coefficient sum: 1147
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: 901
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      878    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
33.28/33.30	c      100    169      298    20549   68    12013    2820    199   1724 0.06
33.28/33.30	c      250    169      585    48409   82    25054    3103    486   1302 0.19
33.28/33.30	c      475    169     1022    89187   87    48080    3414    923    862 0.55
33.28/33.30	c      813    169     1660   149580   90    77101    3756   1561    614 1.32
33.28/33.30	c     1324    169     2630   245104   93   112408    4132   2531    414 3.19
33.28/33.30	c     2088    169     4048   389521   96   152385    4546   3949    274 7.61
33.28/33.30	c     3234    169     3700   355403   96   132401    5001   3601    169 19.07
33.28/33.30	c Backtracks by Clause: 3449
33.28/33.30	c Backtracks by PB constraint: 374
33.28/33.30	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
33.28/33.30	c    7     4568    656     6026     3443   323935   3344    137 33.29
33.28/33.30	s UNSATISFIABLE
33.28/33.30	c Total time: 33.292 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-1880104-1245115292/watcher-1880104-1245115292 -o /tmp/evaluation-result-1880104-1245115292/solver-1880104-1245115292 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880104-1245115292.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 0.98 1.08 3/64 1261
/proc/meminfo: memFree=1698488/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=10708 CPUtime=0
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179130081 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 2677 239 188 640 0 2033 0

[startup+0.016836 s]
/proc/loadavg: 0.92 0.98 1.08 3/64 1261
/proc/meminfo: memFree=1698488/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=10840 CPUtime=0.01
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 304 0 0 0 1 0 0 0 18 0 1 0 179130081 11100160 285 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 2710 285 196 640 0 2066 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 10840

[startup+0.101844 s]
/proc/loadavg: 0.92 0.98 1.08 3/64 1261
/proc/meminfo: memFree=1698488/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=11492 CPUtime=0.09
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 466 0 0 0 9 0 0 0 18 0 1 0 179130081 11767808 447 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 2873 447 197 640 0 2229 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11492

[startup+0.301861 s]
/proc/loadavg: 0.92 0.98 1.08 3/64 1261
/proc/meminfo: memFree=1698488/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=12268 CPUtime=0.29
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 666 0 0 0 29 0 0 0 19 0 1 0 179130081 12562432 647 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 3067 647 197 640 0 2423 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12268

[startup+0.701898 s]
/proc/loadavg: 0.92 0.98 1.08 3/64 1261
/proc/meminfo: memFree=1698488/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=13316 CPUtime=0.69
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 931 0 0 0 69 0 0 0 22 0 1 0 179130081 13635584 912 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 3329 912 197 640 0 2685 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13316

[startup+1.50197 s]
/proc/loadavg: 0.92 0.98 1.08 2/65 1262
/proc/meminfo: memFree=1694960/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=14748 CPUtime=1.49
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 1275 0 0 0 149 0 0 0 25 0 1 0 179130081 15101952 1256 1992294400 134512640 137136520 4294956256 18446744073709551615 134544148 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 3687 1256 197 640 0 3043 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14748

[startup+3.10112 s]
/proc/loadavg: 0.92 0.98 1.08 2/65 1262
/proc/meminfo: memFree=1693232/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=16568 CPUtime=3.09
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 1737 0 0 0 309 0 0 0 25 0 1 0 179130081 16965632 1718 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 4142 1718 197 640 0 3498 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16568

[startup+6.30142 s]
/proc/loadavg: 0.93 0.98 1.08 2/65 1262
/proc/meminfo: memFree=1690424/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=18792 CPUtime=6.28
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 2289 0 0 0 628 0 0 0 25 0 1 0 179130081 19243008 2270 1992294400 134512640 137136520 4294956256 18446744073709551615 134544256 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 4698 2270 197 640 0 4054 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 18792

[startup+12.702 s]
/proc/loadavg: 0.93 0.98 1.08 2/65 1262
/proc/meminfo: memFree=1687672/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=20996 CPUtime=12.68
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 2839 0 0 0 1267 1 0 0 25 0 1 0 179130081 21499904 2820 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 5249 2820 197 640 0 4605 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 20996

[startup+25.5012 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 1262
/proc/meminfo: memFree=1687352/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=21392 CPUtime=25.48
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 2965 0 0 0 2546 2 0 0 25 0 1 0 179130081 21905408 2946 1992294400 134512640 137136520 4294956256 18446744073709551615 134544449 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 5348 2946 197 640 0 4704 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 21392

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

[startup+28.7015 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 1262
/proc/meminfo: memFree=1687096/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=21640 CPUtime=28.68
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 3001 0 0 0 2866 2 0 0 25 0 1 0 179130081 22159360 2982 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 5410 2982 197 640 0 4766 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 21640

[startup+31.9058 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 1262
/proc/meminfo: memFree=1687096/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=21640 CPUtime=31.89
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 3001 0 0 0 3187 2 0 0 25 0 1 0 179130081 22159360 2982 1992294400 134512640 137136520 4294956256 18446744073709551615 134544127 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 5410 2982 197 640 0 4766 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 21640

[startup+32.7019 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 1262
/proc/meminfo: memFree=1687096/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=21640 CPUtime=32.68
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 3001 0 0 0 3266 2 0 0 25 0 1 0 179130081 22159360 2982 1992294400 134512640 137136520 4294956256 18446744073709551615 134544357 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 5410 2982 197 640 0 4766 0
Current children cumulated CPU time (s) 32.68
Current children cumulated vsize (KiB) 21640

[startup+33.1019 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 1262
/proc/meminfo: memFree=1687096/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=21640 CPUtime=33.08
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 3001 0 0 0 3306 2 0 0 25 0 1 0 179130081 22159360 2982 1992294400 134512640 137136520 4294956256 18446744073709551615 134605495 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 5410 2982 197 640 0 4766 0
Current children cumulated CPU time (s) 33.08
Current children cumulated vsize (KiB) 21640

[startup+33.3019 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 1262
/proc/meminfo: memFree=1687096/2055920 swapFree=4192812/4192956
[pid=1261] ppid=1259 vsize=21640 CPUtime=33.28
/proc/1261/stat : 1261 (bsolo) R 1259 1261 1126 0 -1 4194304 3001 0 0 0 3326 2 0 0 25 0 1 0 179130081 22159360 2982 1992294400 134512640 137136520 4294956256 18446744073709551615 134543921 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1261/statm: 5410 2982 197 640 0 4766 0
Current children cumulated CPU time (s) 33.28
Current children cumulated vsize (KiB) 21640

Child status: 0
Real time (s): 33.3091
CPU time (s): 33.2959
CPU user time (s): 33.2699
CPU system time (s): 0.025996
CPU usage (%): 99.9606
Max. virtual memory (cumulated for all children) (KiB): 21640

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 33.2699
system time used= 0.025996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3002
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= 56

runsolver used 0.034994 second user time and 0.072988 second system time

The end

Launcher Data 

Begin job on node14 at 2009-06-16 03:21:32
IDJOB=1880104
IDBENCH=1173
IDSOLVER=701
FILE ID=node14/1880104-1245115292
PBS_JOBID= 9363651
Free space on /tmp= 66376 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110969860.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880104-1245115292/watcher-1880104-1245115292 -o /tmp/evaluation-result-1880104-1245115292/solver-1880104-1245115292 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880104-1245115292.opb

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

MD5SUM BENCH= 9be7288b45f2af67adcc248a2ea928cc
RANDOM SEED=1134011088

node14.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:       1698968 kB
Buffers:         23152 kB
Cached:         260136 kB
SwapCached:          0 kB
Active:          41612 kB
Inactive:       255544 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1698968 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4136 kB
Writeback:           0 kB
Mapped:          23676 kB
Slab:            45792 kB
Committed_AS:   159628 kB
PageTables:       1452 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66372 MiB
End job on node14 at 2009-06-16 03:22:05