Trace number 1880183

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 pbSAT 18.1682 18.1748

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111219399.opb
MD5SUM1476879b9f55ab2af66e74aac1d720c1
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.146977
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
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 1177
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-1880183-1245115893.opb
0.00/0.00	c File size is 9906 bytes.
0.00/0.00	c Highest Coefficient sum: 1177
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: 898
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      877    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
18.08/18.17	c      100    169      299    21228   70    12188    2820    200   1724 0.06
18.08/18.17	c      250    169      598    52581   87    25585    3103    499   1256 0.20
18.08/18.17	c      475    169     1029    95598   92    45312    3414    930    903 0.53
18.08/18.17	c      815    169     1655   158836   95    68760    3756   1556    611 1.33
18.08/18.17	c     1326    169     2609   253963   97    97728    4132   2510    426 3.11
18.08/18.17	c     2093    169     4039   399276   98   147699    4546   3940    277 7.55
18.08/18.17	c     3239    169     3708   354602   95   138604    5001   3609    183 17.64
18.08/18.17	c Backtracks by Clause: 2552
18.08/18.17	c Backtracks by PB constraint: 294
18.08/18.17	v -x1 -x2 x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 -x11 -x12 -x13 -x14 -x15 -x16 -x17 -x18 x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 -x28 -x29 -x30 -x31 -x32 -x33 x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 x50 -x51 -x52 x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 -x76 x77 -x78 -x79 -x80 -x81 -x82 x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 -x123 -x124 -x125 -x126 -x127 -x128 -x129 x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 x140 -x141 -x142 -x143 -x144 x145 -x146 -x147 -x148 -x149 -x150 -x151 -x152 -x153 -x154 -x155 -x156 -x157 -x158 -x159 -x160 -x161 -x162 x163 -x164 -x165 -x166 -x167 -x168 -x169 
18.08/18.17	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
18.08/18.17	c    7     3313    600     4896     3835   365780   3736    182 18.16
18.08/18.17	s SATISFIABLE
18.08/18.17	c Total time: 18.165 s

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1880183-1245115893/watcher-1880183-1245115893 -o /tmp/evaluation-result-1880183-1245115893/solver-1880183-1245115893 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880183-1245115893.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: 0.91 0.97 0.99 3/64 4109
/proc/meminfo: memFree=1026096/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=10708 CPUtime=0
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179188566 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 2677 239 188 640 0 2033 0

[startup+0.084023 s]
/proc/loadavg: 0.91 0.97 0.99 3/64 4109
/proc/meminfo: memFree=1026096/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=11360 CPUtime=0.08
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 443 0 0 0 8 0 0 0 18 0 1 0 179188566 11632640 424 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 2840 424 196 640 0 2196 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 11360

[startup+0.101024 s]
/proc/loadavg: 0.91 0.97 0.99 3/64 4109
/proc/meminfo: memFree=1026096/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=11488 CPUtime=0.09
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 466 0 0 0 9 0 0 0 18 0 1 0 179188566 11763712 447 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 2872 447 196 640 0 2228 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11488

[startup+0.301054 s]
/proc/loadavg: 0.91 0.97 0.99 3/64 4109
/proc/meminfo: memFree=1026096/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=12256 CPUtime=0.29
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 681 0 0 0 29 0 0 0 19 0 1 0 179188566 12550144 662 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 3064 662 197 640 0 2420 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12256

[startup+0.701115 s]
/proc/loadavg: 0.91 0.97 0.99 3/64 4109
/proc/meminfo: memFree=1026096/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=13436 CPUtime=0.69
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 946 0 0 0 69 0 0 0 22 0 1 0 179188566 13758464 927 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 3359 927 197 640 0 2715 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13436

[startup+1.50124 s]
/proc/loadavg: 0.91 0.97 0.99 2/65 4110
/proc/meminfo: memFree=1022568/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=14612 CPUtime=1.49
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 1259 0 0 0 149 0 0 0 25 0 1 0 179188566 14962688 1240 1992294400 134512640 137136520 4294956256 18446744073709551615 134543819 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 3653 1240 197 640 0 3009 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14612

[startup+3.10148 s]
/proc/loadavg: 0.91 0.97 0.99 2/65 4110
/proc/meminfo: memFree=1021032/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=16424 CPUtime=3.09
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 1693 0 0 0 309 0 0 0 25 0 1 0 179188566 16818176 1674 1992294400 134512640 137136520 4294956256 18446744073709551615 134543819 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 4106 1674 197 640 0 3462 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16424

[startup+6.30197 s]
/proc/loadavg: 0.92 0.97 0.99 2/65 4110
/proc/meminfo: memFree=1018216/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=18644 CPUtime=6.29
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 2266 0 0 0 628 1 0 0 25 0 1 0 179188566 19091456 2247 1992294400 134512640 137136520 4294956256 18446744073709551615 134541907 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 4661 2247 197 640 0 4017 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 18644

[startup+12.7019 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 4110
/proc/meminfo: memFree=1015344/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=20992 CPUtime=12.69
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 2839 0 0 0 1267 2 0 0 25 0 1 0 179188566 21495808 2820 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 5248 2820 197 640 0 4604 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 20992

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

[startup+15.9014 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 4110
/proc/meminfo: memFree=1015344/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=20992 CPUtime=15.89
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 2839 0 0 0 1587 2 0 0 25 0 1 0 179188566 21495808 2820 1992294400 134512640 137136520 4294956256 18446744073709551615 134544160 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 5248 2820 197 640 0 4604 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 20992

[startup+17.5017 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 4110
/proc/meminfo: memFree=1015344/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=20992 CPUtime=17.49
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 2839 0 0 0 1747 2 0 0 25 0 1 0 179188566 21495808 2820 1992294400 134512640 137136520 4294956256 18446744073709551615 134544272 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 5248 2820 197 640 0 4604 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 20992

[startup+17.9017 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 4110
/proc/meminfo: memFree=1015344/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=20992 CPUtime=17.88
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 2839 0 0 0 1786 2 0 0 25 0 1 0 179188566 21495808 2820 1992294400 134512640 137136520 4294956256 18446744073709551615 134606736 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 5248 2820 197 640 0 4604 0
Current children cumulated CPU time (s) 17.88
Current children cumulated vsize (KiB) 20992

[startup+18.1018 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 4110
/proc/meminfo: memFree=1015344/2055920 swapFree=4191900/4192956
[pid=4109] ppid=4107 vsize=20992 CPUtime=18.08
/proc/4109/stat : 4109 (bsolo) R 4107 4109 3578 0 -1 4194304 2839 0 0 0 1806 2 0 0 25 0 1 0 179188566 21495808 2820 1992294400 134512640 137136520 4294956256 18446744073709551615 134544434 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4109/statm: 5248 2820 197 640 0 4604 0
Current children cumulated CPU time (s) 18.08
Current children cumulated vsize (KiB) 20992

Child status: 0
Real time (s): 18.1748
CPU time (s): 18.1682
CPU user time (s): 18.1402
CPU system time (s): 0.027995
CPU usage (%): 99.9637
Max. virtual memory (cumulated for all children) (KiB): 20992

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 18.1402
system time used= 0.027995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2841
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 0.019996 second user time and 0.043993 second system time

The end

Launcher Data 

Begin job on node34 at 2009-06-16 03:31:33
IDJOB=1880183
IDBENCH=1252
IDSOLVER=701
FILE ID=node34/1880183-1245115893
PBS_JOBID= 9363634
Free space on /tmp= 66252 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111219399.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880183-1245115893/watcher-1880183-1245115893 -o /tmp/evaluation-result-1880183-1245115893/solver-1880183-1245115893 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880183-1245115893.opb

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

MD5SUM BENCH= 1476879b9f55ab2af66e74aac1d720c1
RANDOM SEED=1509446768

node34.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		: 3000.263
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		: 3000.263
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:       1026512 kB
Buffers:         83712 kB
Cached:         852808 kB
SwapCached:        384 kB
Active:          90420 kB
Inactive:       859488 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1026512 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            4132 kB
Writeback:           0 kB
Mapped:          21784 kB
Slab:            65500 kB
Committed_AS:   151604 kB
PageTables:       1384 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= 66248 MiB
End job on node34 at 2009-06-16 03:31:51