Trace number 1880187

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 32.5091 32.5181

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110974553.opb
MD5SUMa8a51c2e735c1a05850a59dcf05a69f7
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 benchmark0.493924
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 1165
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-1880187-1245115904.opb
0.00/0.00	c File size is 9902 bytes.
0.00/0.00	c Highest Coefficient sum: 1165
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: 897
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      879    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
32.48/32.51	c      100    169      298    20527   68    12757    2820    199   1754 0.06
32.48/32.51	c      250    169      595    49407   83    27826    3103    496   1219 0.20
32.48/32.51	c      477    169     1036    91684   88    45478    3414    937    859 0.56
32.48/32.51	c      816    169     1686   155666   92    73404    3756   1587    595 1.37
32.48/32.51	c     1324    169     2645   250884   94   105990    4132   2546    424 3.12
32.48/32.51	c     2087    169     4067   395772   97   149422    4546   3968    299 6.96
32.48/32.51	c     3233    169     3837   377473   98   137708    5001   3738    189 17.05
32.48/32.51	c Backtracks by Clause: 3931
32.48/32.51	c Backtracks by PB constraint: 362
32.48/32.51	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 
32.48/32.51	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
32.48/32.51	c    7     4851    735     6538     4217   438711   4118    149 32.51
32.48/32.51	s SATISFIABLE
32.48/32.51	c Total time: 32.506 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-1880187-1245115904/watcher-1880187-1245115904 -o /tmp/evaluation-result-1880187-1245115904/solver-1880187-1245115904 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880187-1245115904.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 1.01 3/64 31824
/proc/meminfo: memFree=1831976/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=10708 CPUtime=0
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179190656 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 2677 239 188 640 0 2033 0

[startup+0.0736001 s]
/proc/loadavg: 0.92 0.98 1.01 3/64 31824
/proc/meminfo: memFree=1831976/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=11360 CPUtime=0.07
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 432 0 0 0 7 0 0 0 18 0 1 0 179190656 11632640 413 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 2840 414 197 640 0 2196 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 11360

[startup+0.101599 s]
/proc/loadavg: 0.92 0.98 1.01 3/64 31824
/proc/meminfo: memFree=1831976/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=11492 CPUtime=0.09
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 472 0 0 0 9 0 0 0 18 0 1 0 179190656 11767808 453 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 2873 453 197 640 0 2229 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11492

[startup+0.30162 s]
/proc/loadavg: 0.92 0.98 1.01 3/64 31824
/proc/meminfo: memFree=1831976/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=12272 CPUtime=0.29
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 671 0 0 0 29 0 0 0 19 0 1 0 179190656 12566528 652 1992294400 134512640 137136520 4294956256 18446744073709551615 134544440 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 3068 652 197 640 0 2424 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12272

[startup+0.701661 s]
/proc/loadavg: 0.92 0.98 1.01 3/64 31824
/proc/meminfo: memFree=1831976/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=13308 CPUtime=0.69
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 926 0 0 0 69 0 0 0 22 0 1 0 179190656 13627392 907 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 3327 907 197 640 0 2683 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13308

[startup+1.50174 s]
/proc/loadavg: 0.92 0.98 1.01 2/65 31825
/proc/meminfo: memFree=1828512/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=14608 CPUtime=1.49
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 1263 0 0 0 149 0 0 0 25 0 1 0 179190656 14958592 1244 1992294400 134512640 137136520 4294956256 18446744073709551615 134544129 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 3652 1244 197 640 0 3008 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14608

[startup+3.1019 s]
/proc/loadavg: 0.92 0.98 1.01 2/65 31825
/proc/meminfo: memFree=1826784/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=16432 CPUtime=3.09
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 1721 0 0 0 309 0 0 0 25 0 1 0 179190656 16826368 1702 1992294400 134512640 137136520 4294956256 18446744073709551615 136502448 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 4108 1702 197 640 0 3464 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16432

[startup+6.30123 s]
/proc/loadavg: 0.93 0.98 1.01 2/65 31825
/proc/meminfo: memFree=1823776/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=19044 CPUtime=6.29
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 2357 0 0 0 628 1 0 0 25 0 1 0 179190656 19501056 2338 1992294400 134512640 137136520 4294956256 18446744073709551615 134544419 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 4761 2338 197 640 0 4117 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19044

[startup+12.7019 s]
/proc/loadavg: 0.93 0.98 1.01 2/65 31825
/proc/meminfo: memFree=1821288/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=20748 CPUtime=12.69
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 2796 0 0 0 1267 2 0 0 25 0 1 0 179190656 21245952 2777 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 5187 2777 197 640 0 4543 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 20748

[startup+25.5022 s]
/proc/loadavg: 0.95 0.98 1.01 2/65 31825
/proc/meminfo: memFree=1820072/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=21924 CPUtime=25.49
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 3093 0 0 0 2547 2 0 0 25 0 1 0 179190656 22450176 3074 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 5481 3074 197 640 0 4837 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 21924

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

[startup+28.7015 s]
/proc/loadavg: 0.95 0.98 1.01 2/65 31825
/proc/meminfo: memFree=1820072/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=21924 CPUtime=28.69
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 3093 0 0 0 2867 2 0 0 25 0 1 0 179190656 22450176 3074 1992294400 134512640 137136520 4294956256 18446744073709551615 134544140 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 5481 3074 197 640 0 4837 0
Current children cumulated CPU time (s) 28.69
Current children cumulated vsize (KiB) 21924

[startup+30.3017 s]
/proc/loadavg: 0.95 0.98 1.01 2/65 31825
/proc/meminfo: memFree=1820072/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=21924 CPUtime=30.28
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 3093 0 0 0 3026 2 0 0 25 0 1 0 179190656 22450176 3074 1992294400 134512640 137136520 4294956256 18446744073709551615 134544437 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 5481 3074 197 640 0 4837 0
Current children cumulated CPU time (s) 30.28
Current children cumulated vsize (KiB) 21924

[startup+31.9058 s]
/proc/loadavg: 0.95 0.98 1.01 2/65 31825
/proc/meminfo: memFree=1820072/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=21924 CPUtime=31.89
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 3093 0 0 0 3187 2 0 0 25 0 1 0 179190656 22450176 3074 1992294400 134512640 137136520 4294956256 18446744073709551615 134544604 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 5481 3074 197 640 0 4837 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 21924

[startup+32.3019 s]
/proc/loadavg: 0.95 0.98 1.01 2/65 31825
/proc/meminfo: memFree=1820072/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=21924 CPUtime=32.28
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 3093 0 0 0 3226 2 0 0 25 0 1 0 179190656 22450176 3074 1992294400 134512640 137136520 4294956256 18446744073709551615 134544129 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 5481 3074 197 640 0 4837 0
Current children cumulated CPU time (s) 32.28
Current children cumulated vsize (KiB) 21924

[startup+32.5019 s]
/proc/loadavg: 0.95 0.98 1.01 2/65 31825
/proc/meminfo: memFree=1820072/2055920 swapFree=4182564/4192956
[pid=31824] ppid=31822 vsize=21924 CPUtime=32.48
/proc/31824/stat : 31824 (bsolo) R 31822 31824 31327 0 -1 4194304 3093 0 0 0 3246 2 0 0 25 0 1 0 179190656 22450176 3074 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31824/statm: 5481 3074 197 640 0 4837 0
Current children cumulated CPU time (s) 32.48
Current children cumulated vsize (KiB) 21924

Child status: 0
Real time (s): 32.5181
CPU time (s): 32.5091
CPU user time (s): 32.4831
CPU system time (s): 0.025996
CPU usage (%): 99.9723
Max. virtual memory (cumulated for all children) (KiB): 21924

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 32.4831
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= 3095
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= 45

runsolver used 0.032994 second user time and 0.068989 second system time

The end

Launcher Data 

Begin job on node17 at 2009-06-16 03:31:44
IDJOB=1880187
IDBENCH=1256
IDSOLVER=701
FILE ID=node17/1880187-1245115904
PBS_JOBID= 9363650
Free space on /tmp= 66356 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110974553.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880187-1245115904/watcher-1880187-1245115904 -o /tmp/evaluation-result-1880187-1245115904/solver-1880187-1245115904 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880187-1245115904.opb

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

MD5SUM BENCH= a8a51c2e735c1a05850a59dcf05a69f7
RANDOM SEED=679080148

node17.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		: 3000.214
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		: 3000.214
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:       1832456 kB
Buffers:         10152 kB
Cached:         142160 kB
SwapCached:       4224 kB
Active:          44604 kB
Inactive:       115552 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1832456 kB
SwapTotal:     4192956 kB
SwapFree:      4182564 kB
Dirty:            4096 kB
Writeback:           0 kB
Mapped:          13696 kB
Slab:            49292 kB
Committed_AS:   151824 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= 66352 MiB
End job on node17 at 2009-06-16 03:32:17