Trace number 1880125

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 30.1784 30.1872

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111213868.opb
MD5SUMab9355d4d11f3d384bbd2382ecf28a15
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 benchmark0.816875
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 1199
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-1880125-1245115547.opb
0.00/0.00	c File size is 9900 bytes.
0.00/0.00	c Highest Coefficient sum: 1199
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0 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: 0.005 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.
30.09/30.18	c      100    169      299    21060   70    12582    2820    200   1724 0.06
30.09/30.18	c      251    169      589    49331   83    25825    3103    490   1379 0.18
30.09/30.18	c      477    169     1003    88285   88    45676    3414    904    929 0.51
30.09/30.18	c      817    169     1621   146024   90    69650    3756   1522    645 1.27
30.09/30.18	c     1325    169     2552   236399   92   100819    4132   2453    425 3.12
30.09/30.18	c     2089    169     3923   370393   94   149196    4546   3824    286 7.30
30.09/30.18	c     3236    169     3564   332907   93   134423    5001   3465    174 18.52
30.09/30.18	c Backtracks by Clause: 3050
30.09/30.18	c Backtracks by PB constraint: 375
30.09/30.18	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
30.09/30.18	c    7     4202    780     6085     2648   232823   2549    139 30.18
30.09/30.18	s UNSATISFIABLE
30.09/30.18	c Total time: 30.175 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-1880125-1245115547/watcher-1880125-1245115547 -o /tmp/evaluation-result-1880125-1245115547/solver-1880125-1245115547 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880125-1245115547.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: 0.89 0.93 1.00 3/64 31719
/proc/meminfo: memFree=1254056/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=10708 CPUtime=0
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179154786 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 2677 239 188 640 0 2033 0

[startup+0.045931 s]
/proc/loadavg: 0.89 0.93 1.00 3/64 31719
/proc/meminfo: memFree=1254056/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=11092 CPUtime=0.04
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 377 0 0 0 4 0 0 0 18 0 1 0 179154786 11358208 358 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 2773 358 196 640 0 2129 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 11092

[startup+0.102936 s]
/proc/loadavg: 0.89 0.93 1.00 3/64 31719
/proc/meminfo: memFree=1254056/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=11480 CPUtime=0.09
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 476 0 0 0 9 0 0 0 18 0 1 0 179154786 11755520 457 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 2870 457 197 640 0 2226 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11480

[startup+0.301957 s]
/proc/loadavg: 0.89 0.93 1.00 3/64 31719
/proc/meminfo: memFree=1254056/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=12260 CPUtime=0.29
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 681 0 0 0 29 0 0 0 19 0 1 0 179154786 12554240 662 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 3065 662 197 640 0 2421 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12260

[startup+0.702002 s]
/proc/loadavg: 0.89 0.93 1.00 3/64 31719
/proc/meminfo: memFree=1254056/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=13300 CPUtime=0.69
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 914 0 0 0 69 0 0 0 22 0 1 0 179154786 13619200 895 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 3325 895 197 640 0 2681 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13300

[startup+1.50109 s]
/proc/loadavg: 0.89 0.93 1.00 2/65 31720
/proc/meminfo: memFree=1250656/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=14600 CPUtime=1.49
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 1241 0 0 0 149 0 0 0 25 0 1 0 179154786 14950400 1222 1992294400 134512640 137136520 4294956256 18446744073709551615 134544449 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 3650 1222 197 640 0 3006 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14600

[startup+3.10126 s]
/proc/loadavg: 0.89 0.93 1.00 2/65 31720
/proc/meminfo: memFree=1249056/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=16156 CPUtime=3.08
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 1649 0 0 0 308 0 0 0 25 0 1 0 179154786 16543744 1630 1992294400 134512640 137136520 4294956256 18446744073709551615 136499606 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 4039 1630 197 640 0 3395 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 16156

[startup+6.3016 s]
/proc/loadavg: 0.90 0.93 1.00 2/65 31720
/proc/meminfo: memFree=1246304/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=18508 CPUtime=6.29
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 2227 0 0 0 628 1 0 0 25 0 1 0 179154786 18952192 2208 1992294400 134512640 137136520 4294956256 18446744073709551615 134544256 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 4627 2208 197 640 0 3983 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 18508

[startup+12.7013 s]
/proc/loadavg: 0.90 0.93 1.00 2/65 31720
/proc/meminfo: memFree=1243360/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=20872 CPUtime=12.68
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 2811 0 0 0 1267 1 0 0 25 0 1 0 179154786 21372928 2792 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 5218 2792 197 640 0 4574 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 20872

[startup+25.5017 s]
/proc/loadavg: 0.92 0.93 1.00 2/65 31720
/proc/meminfo: memFree=1242848/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=21532 CPUtime=25.49
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 2978 0 0 0 2547 2 0 0 25 0 1 0 179154786 22048768 2959 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 5383 2959 197 640 0 4739 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 21532

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

[startup+28.702 s]
/proc/loadavg: 0.92 0.93 1.00 2/65 31720
/proc/meminfo: memFree=1242720/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=21532 CPUtime=28.69
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 2978 0 0 0 2867 2 0 0 25 0 1 0 179154786 22048768 2959 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 5383 2959 197 640 0 4739 0
Current children cumulated CPU time (s) 28.69
Current children cumulated vsize (KiB) 21532

[startup+29.5011 s]
/proc/loadavg: 0.92 0.93 1.00 2/65 31720
/proc/meminfo: memFree=1242720/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=21532 CPUtime=29.49
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 2978 0 0 0 2947 2 0 0 25 0 1 0 179154786 22048768 2959 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 5383 2959 197 640 0 4739 0
Current children cumulated CPU time (s) 29.49
Current children cumulated vsize (KiB) 21532

[startup+29.9011 s]
/proc/loadavg: 0.93 0.93 1.00 2/65 31720
/proc/meminfo: memFree=1242656/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=21532 CPUtime=29.89
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 2978 0 0 0 2987 2 0 0 25 0 1 0 179154786 22048768 2959 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 5383 2959 197 640 0 4739 0
Current children cumulated CPU time (s) 29.89
Current children cumulated vsize (KiB) 21532

[startup+30.1012 s]
/proc/loadavg: 0.93 0.93 1.00 2/65 31720
/proc/meminfo: memFree=1242656/2055920 swapFree=4192812/4192956
[pid=31719] ppid=31717 vsize=21532 CPUtime=30.09
/proc/31719/stat : 31719 (bsolo) R 31717 31719 30954 0 -1 4194304 2978 0 0 0 3007 2 0 0 25 0 1 0 179154786 22048768 2959 1992294400 134512640 137136520 4294956256 18446744073709551615 136502032 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31719/statm: 5383 2959 197 640 0 4739 0
Current children cumulated CPU time (s) 30.09
Current children cumulated vsize (KiB) 21532

Child status: 0
Real time (s): 30.1872
CPU time (s): 30.1784
CPU user time (s): 30.1554
CPU system time (s): 0.022996
CPU usage (%): 99.9709
Max. virtual memory (cumulated for all children) (KiB): 21532

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.1554
system time used= 0.022996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2979
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= 32

runsolver used 0.025996 second user time and 0.072988 second system time

The end

Launcher Data 

Begin job on node19 at 2009-06-16 03:25:47
IDJOB=1880125
IDBENCH=1194
IDSOLVER=701
FILE ID=node19/1880125-1245115547
PBS_JOBID= 9363642
Free space on /tmp= 66160 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111213868.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880125-1245115547/watcher-1880125-1245115547 -o /tmp/evaluation-result-1880125-1245115547/solver-1880125-1245115547 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880125-1245115547.opb

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

MD5SUM BENCH= ab9355d4d11f3d384bbd2382ecf28a15
RANDOM SEED=599717568

node19.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:       1254472 kB
Buffers:         70832 kB
Cached:         637116 kB
SwapCached:          0 kB
Active:          70608 kB
Inactive:       651252 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1254472 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3960 kB
Writeback:           0 kB
Mapped:          23700 kB
Slab:            65520 kB
Committed_AS:   170608 kB
PageTables:       1456 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= 66156 MiB
End job on node19 at 2009-06-16 03:26:17