Trace number 1880182

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 4.72228 4.72459

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111227418.opb
MD5SUM1d0806e8d2a90a81262a0ea6810fc3cb
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 benchmark0.786879
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 1171
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-1880182-1245115888.opb
0.00/0.00	c File size is 9900 bytes.
0.00/0.00	c Highest Coefficient sum: 1171
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: 898
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      879    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
4.69/4.72	c      103    169      305    22083   72    13522    2820    206   1609 0.06
4.69/4.72	c      253    169      604    53123   87    28474    3103    505   1139 0.22
4.69/4.72	c      481    169     1054    96666   91    50843    3414    955    820 0.59
4.69/4.72	c      819    169     1708   160565   94    77103    3756   1609    564 1.45
4.69/4.72	c     1327    169     2653   254725   96   115067    4132   2554    382 3.47
4.69/4.72	c Backtracks by Clause: 1251
4.69/4.72	c Backtracks by PB constraint: 182
4.69/4.72	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 
4.69/4.72	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
4.69/4.72	c    5     1548    306     2515     3067   295136   2968    328 4.72
4.69/4.72	s SATISFIABLE
4.69/4.72	c Total time: 4.719 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-1880182-1245115888/watcher-1880182-1245115888 -o /tmp/evaluation-result-1880182-1245115888/solver-1880182-1245115888 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880182-1245115888.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: 0.98 0.96 0.99 3/64 5521
/proc/meminfo: memFree=1281600/2055920 swapFree=4182996/4192956
[pid=5521] ppid=5519 vsize=10708 CPUtime=0
/proc/5521/stat : 5521 (bsolo) R 5519 5521 5205 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179189466 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5521/statm: 2677 239 188 640 0 2033 0

[startup+0.0529929 s]
/proc/loadavg: 0.98 0.96 0.99 3/64 5521
/proc/meminfo: memFree=1281600/2055920 swapFree=4182996/4192956
[pid=5521] ppid=5519 vsize=11096 CPUtime=0.04
/proc/5521/stat : 5521 (bsolo) R 5519 5521 5205 0 -1 4194304 387 0 0 0 4 0 0 0 18 0 1 0 179189466 11362304 368 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5521/statm: 2774 368 196 640 0 2130 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 11096

[startup+0.103002 s]
/proc/loadavg: 0.98 0.96 0.99 3/64 5521
/proc/meminfo: memFree=1281600/2055920 swapFree=4182996/4192956
[pid=5521] ppid=5519 vsize=11484 CPUtime=0.09
/proc/5521/stat : 5521 (bsolo) R 5519 5521 5205 0 -1 4194304 468 0 0 0 9 0 0 0 18 0 1 0 179189466 11759616 449 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5521/statm: 2871 450 196 640 0 2227 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11484

[startup+0.302036 s]
/proc/loadavg: 0.98 0.96 0.99 3/64 5521
/proc/meminfo: memFree=1281600/2055920 swapFree=4182996/4192956
[pid=5521] ppid=5519 vsize=12264 CPUtime=0.29
/proc/5521/stat : 5521 (bsolo) R 5519 5521 5205 0 -1 4194304 673 0 0 0 29 0 0 0 19 0 1 0 179189466 12558336 654 1992294400 134512640 137136520 4294956256 18446744073709551615 136501958 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5521/statm: 3066 654 197 640 0 2422 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12264

[startup+0.701105 s]
/proc/loadavg: 0.98 0.96 0.99 3/64 5521
/proc/meminfo: memFree=1281600/2055920 swapFree=4182996/4192956
[pid=5521] ppid=5519 vsize=13304 CPUtime=0.69
/proc/5521/stat : 5521 (bsolo) R 5519 5521 5205 0 -1 4194304 944 0 0 0 69 0 0 0 22 0 1 0 179189466 13623296 925 1992294400 134512640 137136520 4294956256 18446744073709551615 134605804 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5521/statm: 3326 925 197 640 0 2682 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13304

[startup+1.50124 s]
/proc/loadavg: 0.98 0.96 0.99 2/65 5522
/proc/meminfo: memFree=1278072/2055920 swapFree=4182996/4192956
[pid=5521] ppid=5519 vsize=14732 CPUtime=1.49
/proc/5521/stat : 5521 (bsolo) R 5519 5521 5205 0 -1 4194304 1274 0 0 0 149 0 0 0 25 0 1 0 179189466 15085568 1255 1992294400 134512640 137136520 4294956256 18446744073709551615 134543942 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5521/statm: 3683 1255 197 640 0 3039 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14732

[startup+3.10152 s]
/proc/loadavg: 0.98 0.96 0.99 2/65 5522
/proc/meminfo: memFree=1276472/2055920 swapFree=4182996/4192956
[pid=5521] ppid=5519 vsize=16432 CPUtime=3.09
/proc/5521/stat : 5521 (bsolo) R 5519 5521 5205 0 -1 4194304 1710 0 0 0 308 1 0 0 25 0 1 0 179189466 16826368 1691 1992294400 134512640 137136520 4294956256 18446744073709551615 134544256 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5521/statm: 4108 1691 197 640 0 3464 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16432

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

[startup+3.90166 s]
/proc/loadavg: 0.98 0.96 0.99 2/65 5522
/proc/meminfo: memFree=1275320/2055920 swapFree=4182996/4192956
[pid=5521] ppid=5519 vsize=17072 CPUtime=3.89
/proc/5521/stat : 5521 (bsolo) R 5519 5521 5205 0 -1 4194304 1879 0 0 0 388 1 0 0 25 0 1 0 179189466 17481728 1860 1992294400 134512640 137136520 4294956256 18446744073709551615 134544604 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5521/statm: 4268 1860 197 640 0 3624 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 17072

[startup+4.30173 s]
/proc/loadavg: 0.98 0.96 0.99 2/65 5522
/proc/meminfo: memFree=1274424/2055920 swapFree=4182996/4192956
[pid=5521] ppid=5519 vsize=17464 CPUtime=4.3
/proc/5521/stat : 5521 (bsolo) R 5519 5521 5205 0 -1 4194304 1957 0 0 0 429 1 0 0 25 0 1 0 179189466 17883136 1938 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5521/statm: 4366 1938 197 640 0 3722 0
Current children cumulated CPU time (s) 4.3
Current children cumulated vsize (KiB) 17464

[startup+4.7018 s]
/proc/loadavg: 0.98 0.96 0.99 2/65 5522
/proc/meminfo: memFree=1274424/2055920 swapFree=4182996/4192956
[pid=5521] ppid=5519 vsize=17732 CPUtime=4.69
/proc/5521/stat : 5521 (bsolo) R 5519 5521 5205 0 -1 4194304 2030 0 0 0 468 1 0 0 25 0 1 0 179189466 18157568 2011 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5521/statm: 4433 2011 197 640 0 3789 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 17732

Child status: 0
Real time (s): 4.72459
CPU time (s): 4.72228
CPU user time (s): 4.70628
CPU system time (s): 0.015997
CPU usage (%): 99.9512
Max. virtual memory (cumulated for all children) (KiB): 17732

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.70628
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2039
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= 9

runsolver used 0.010998 second user time and 0.012998 second system time

The end

Launcher Data 

Begin job on node12 at 2009-06-16 03:31:28
IDJOB=1880182
IDBENCH=1251
IDSOLVER=701
FILE ID=node12/1880182-1245115888
PBS_JOBID= 9363643
Free space on /tmp= 66236 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111227418.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880182-1245115888/watcher-1880182-1245115888 -o /tmp/evaluation-result-1880182-1245115888/solver-1880182-1245115888 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880182-1245115888.opb

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

MD5SUM BENCH= 1d0806e8d2a90a81262a0ea6810fc3cb
RANDOM SEED=1755492187

node12.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		: 3000.281
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		: 3000.281
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:       1282016 kB
Buffers:         59232 kB
Cached:         612772 kB
SwapCached:       3780 kB
Active:          39116 kB
Inactive:       640760 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1282016 kB
SwapTotal:     4192956 kB
SwapFree:      4182996 kB
Dirty:            3972 kB
Writeback:           0 kB
Mapped:          14408 kB
Slab:            80060 kB
Committed_AS:   148208 kB
PageTables:       1380 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= 66232 MiB
End job on node12 at 2009-06-16 03:31:33