Trace number 1880112

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 22.8725 22.879

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111223220.opb
MD5SUMc0dca940756ea4be5f7b1224240a8526
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 benchmark0.366943
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 1230
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-1880112-1245115406.opb
0.00/0.00	c File size is 9906 bytes.
0.00/0.00	c Highest Coefficient sum: 1230
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.
22.79/22.87	c      102    169      302    20905   69    11611    2820    203   1789 0.06
22.79/22.87	c      255    169      602    48698   80    26782    3103    503   1363 0.19
22.79/22.87	c      482    169     1031    88222   85    46666    3414    932    956 0.50
22.79/22.87	c      820    169     1660   147713   88    70181    3756   1561    694 1.18
22.79/22.87	c     1328    169     2590   237792   91   104488    4132   2491    452 2.94
22.79/22.87	c     2092    169     4011   378052   94   150401    4546   3912    317 6.59
22.79/22.87	c     3238    126     3702   346970   93   138529    5001   3603    187 17.31
22.79/22.87	c Backtracks by Clause: 3181
22.79/22.87	c Backtracks by PB constraint: 303
22.79/22.87	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
22.79/22.87	c    7     4063    659     5602     5211   475773   5112    177 22.87
22.79/22.87	s UNSATISFIABLE
22.79/22.87	c Total time: 22.869 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-1880112-1245115406/watcher-1880112-1245115406 -o /tmp/evaluation-result-1880112-1245115406/solver-1880112-1245115406 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880112-1245115406.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: 0.87 0.94 1.03 3/64 31575
/proc/meminfo: memFree=1254376/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=10708 CPUtime=0
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179140758 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 2677 239 188 640 0 2033 0

[startup+0.056902 s]
/proc/loadavg: 0.87 0.94 1.03 3/64 31575
/proc/meminfo: memFree=1254376/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=11228 CPUtime=0.05
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 393 0 0 0 5 0 0 0 18 0 1 0 179140758 11497472 374 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 2807 374 196 640 0 2163 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 11228

[startup+0.101906 s]
/proc/loadavg: 0.87 0.94 1.03 3/64 31575
/proc/meminfo: memFree=1254376/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=11488 CPUtime=0.09
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 468 0 0 0 9 0 0 0 18 0 1 0 179140758 11763712 449 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 2872 450 196 640 0 2228 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11488

[startup+0.301927 s]
/proc/loadavg: 0.87 0.94 1.03 3/64 31575
/proc/meminfo: memFree=1254376/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=12388 CPUtime=0.29
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 684 0 0 0 29 0 0 0 19 0 1 0 179140758 12685312 665 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 3097 666 197 640 0 2453 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12388

[startup+0.701969 s]
/proc/loadavg: 0.87 0.94 1.03 3/64 31575
/proc/meminfo: memFree=1254376/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=13436 CPUtime=0.69
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 944 0 0 0 69 0 0 0 22 0 1 0 179140758 13758464 925 1992294400 134512640 137136520 4294956256 18446744073709551615 136698750 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 3359 926 197 640 0 2715 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13436

[startup+1.50106 s]
/proc/loadavg: 0.87 0.94 1.03 2/65 31576
/proc/meminfo: memFree=1250784/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=14744 CPUtime=1.49
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 1287 0 0 0 149 0 0 0 25 0 1 0 179140758 15097856 1268 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 3686 1268 197 640 0 3042 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14744

[startup+3.10123 s]
/proc/loadavg: 0.87 0.94 1.03 2/65 31576
/proc/meminfo: memFree=1249312/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=16432 CPUtime=3.09
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 1713 0 0 0 308 1 0 0 25 0 1 0 179140758 16826368 1694 1992294400 134512640 137136520 4294956256 18446744073709551615 134544440 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 4108 1694 197 640 0 3464 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16432

[startup+6.30157 s]
/proc/loadavg: 0.88 0.94 1.03 2/65 31576
/proc/meminfo: memFree=1245984/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=19172 CPUtime=6.29
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 2397 0 0 0 627 2 0 0 25 0 1 0 179140758 19632128 2378 1992294400 134512640 137136520 4294956256 18446744073709551615 134544449 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 4793 2378 197 640 0 4149 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19172

[startup+12.7023 s]
/proc/loadavg: 0.89 0.94 1.03 2/65 31576
/proc/meminfo: memFree=1243552/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=20876 CPUtime=12.69
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 2833 0 0 0 1267 2 0 0 25 0 1 0 179140758 21377024 2814 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 5219 2814 197 640 0 4575 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 20876

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

[startup+19.1019 s]
/proc/loadavg: 0.90 0.94 1.03 2/65 31576
/proc/meminfo: memFree=1243552/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=20876 CPUtime=19.08
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 2833 0 0 0 1906 2 0 0 25 0 1 0 179140758 21377024 2814 1992294400 134512640 137136520 4294956256 18446744073709551615 134544461 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 5219 2814 197 640 0 4575 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 20876

[startup+20.7011 s]
/proc/loadavg: 0.90 0.94 1.02 2/65 31576
/proc/meminfo: memFree=1243552/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=20876 CPUtime=20.68
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 2833 0 0 0 2066 2 0 0 25 0 1 0 179140758 21377024 2814 1992294400 134512640 137136520 4294956256 18446744073709551615 134544387 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 5219 2814 197 640 0 4575 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 20876

[startup+21.5022 s]
/proc/loadavg: 0.90 0.94 1.02 2/65 31576
/proc/meminfo: memFree=1243552/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=20876 CPUtime=21.48
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 2833 0 0 0 2146 2 0 0 25 0 1 0 179140758 21377024 2814 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 5219 2814 197 640 0 4575 0
Current children cumulated CPU time (s) 21.48
Current children cumulated vsize (KiB) 20876

[startup+22.3013 s]
/proc/loadavg: 0.90 0.94 1.02 2/65 31576
/proc/meminfo: memFree=1243424/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=21268 CPUtime=22.29
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 2907 0 0 0 2226 3 0 0 25 0 1 0 179140758 21778432 2888 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 5317 2888 197 640 0 4673 0
Current children cumulated CPU time (s) 22.29
Current children cumulated vsize (KiB) 21268

[startup+22.7013 s]
/proc/loadavg: 0.90 0.94 1.02 2/65 31576
/proc/meminfo: memFree=1243424/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=21404 CPUtime=22.69
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 2949 0 0 0 2266 3 0 0 25 0 1 0 179140758 21917696 2930 1992294400 134512640 137136520 4294956256 18446744073709551615 134616573 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 5351 2930 197 640 0 4707 0
Current children cumulated CPU time (s) 22.69
Current children cumulated vsize (KiB) 21404

[startup+22.8013 s]
/proc/loadavg: 0.90 0.94 1.02 2/65 31576
/proc/meminfo: memFree=1243424/2055920 swapFree=4192812/4192956
[pid=31575] ppid=31573 vsize=21404 CPUtime=22.79
/proc/31575/stat : 31575 (bsolo) R 31573 31575 30954 0 -1 4194304 2957 0 0 0 2276 3 0 0 25 0 1 0 179140758 21917696 2938 1992294400 134512640 137136520 4294956256 18446744073709551615 134543942 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31575/statm: 5351 2938 197 640 0 4707 0
Current children cumulated CPU time (s) 22.79
Current children cumulated vsize (KiB) 21404

Child status: 0
Real time (s): 22.879
CPU time (s): 22.8725
CPU user time (s): 22.8385
CPU system time (s): 0.033994
CPU usage (%): 99.9718
Max. virtual memory (cumulated for all children) (KiB): 21404

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 22.8385
system time used= 0.033994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2972
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= 23

runsolver used 0.023996 second user time and 0.050992 second system time

The end

Launcher Data 

Begin job on node19 at 2009-06-16 03:23:27
IDJOB=1880112
IDBENCH=1181
IDSOLVER=701
FILE ID=node19/1880112-1245115406
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-t2001.13queen13.1111223220.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880112-1245115406/watcher-1880112-1245115406 -o /tmp/evaluation-result-1880112-1245115406/solver-1880112-1245115406 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880112-1245115406.opb

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

MD5SUM BENCH= c0dca940756ea4be5f7b1224240a8526
RANDOM SEED=790194443

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:       1254792 kB
Buffers:         70692 kB
Cached:         636984 kB
SwapCached:          0 kB
Active:          70380 kB
Inactive:       651236 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1254792 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3944 kB
Writeback:           0 kB
Mapped:          23700 kB
Slab:            65416 kB
Committed_AS:   169500 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 03:23:49