Trace number 1878752

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 clSAT 14.3378 14.342

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: Clause 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-1878752-1245115888.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: 0.005 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.
14.29/14.34	c      100    169      199     4454   22     1091    2820    100   7692 0.01
14.29/14.34	c      252    169      351    10043   28     1394    3103    252   9000 0.03
14.29/14.34	c      477    169      576    18495   32     1843    3414    477   8672 0.06
14.29/14.34	c      817    169      916    31430   34     2522    3756    817   8009 0.10
14.29/14.34	c     1329    169     1428    47776   33     3549    4132   1329   7222 0.18
14.29/14.34	c     2093    169     2192    78380   35     5074    4546   2093   5450 0.38
14.29/14.34	c     3239    169     3338   126399   37     7366    5001   3239   4094 0.79
14.29/14.34	c     4962    169     5061   203022   40    10814    5502   4962   2898 1.71
14.29/14.34	c     7548    169     4782   193898   40    10257    6053   4683   2516 3.00
14.29/14.34	c    11428    169     5523   207220   37    11736    6659   5424   2256 5.06
14.29/14.34	c    17251    169     4475   200435   44     9640    7325   4376   1940 8.89
14.29/14.34	c Backtracks by Clause: 0
14.29/14.34	c Backtracks by PB constraint: 0
14.29/14.34	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 
14.29/14.34	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
14.29/14.34	c   11    25143   6270    38712     4816   204389   4717   1753 14.34
14.29/14.34	s SATISFIABLE
14.29/14.34	c Total time: 14.335 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-1878752-1245115888/watcher-1878752-1245115888 -o /tmp/evaluation-result-1878752-1245115888/solver-1878752-1245115888 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1878752-1245115888.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: 0.92 0.97 0.99 3/64 5736
/proc/meminfo: memFree=1839232/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=10708 CPUtime=0
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179185969 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 2677 239 188 640 0 2033 0

[startup+0.0485101 s]
/proc/loadavg: 0.92 0.97 0.99 3/64 5736
/proc/meminfo: memFree=1839232/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=10836 CPUtime=0.04
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 324 0 0 0 4 0 0 0 18 0 1 0 179185969 11096064 305 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 2709 305 195 640 0 2065 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 10836

[startup+0.101515 s]
/proc/loadavg: 0.92 0.97 0.99 3/64 5736
/proc/meminfo: memFree=1839232/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=11092 CPUtime=0.09
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 381 0 0 0 9 0 0 0 18 0 1 0 179185969 11358208 362 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 2773 362 195 640 0 2129 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11092

[startup+0.301536 s]
/proc/loadavg: 0.92 0.97 0.99 3/64 5736
/proc/meminfo: memFree=1839232/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=11736 CPUtime=0.29
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 523 0 0 0 29 0 0 0 19 0 1 0 179185969 12017664 504 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 2934 504 195 640 0 2290 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11736

[startup+0.701579 s]
/proc/loadavg: 0.92 0.97 0.99 3/64 5736
/proc/meminfo: memFree=1839232/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=12512 CPUtime=0.69
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 723 0 0 0 69 0 0 0 22 0 1 0 179185969 12812288 704 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 3128 704 195 640 0 2484 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12512

[startup+1.50167 s]
/proc/loadavg: 0.92 0.97 0.99 2/65 5737
/proc/meminfo: memFree=1836792/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=13656 CPUtime=1.49
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 1003 0 0 0 149 0 0 0 25 0 1 0 179185969 13983744 984 1992294400 134512640 137136520 4294956256 18446744073709551615 134544116 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 3414 984 195 640 0 2770 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13656

[startup+3.10184 s]
/proc/loadavg: 0.92 0.97 0.99 2/65 5737
/proc/meminfo: memFree=1835448/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=14164 CPUtime=3.09
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 1156 0 0 0 308 1 0 0 25 0 1 0 179185969 14503936 1137 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 3541 1137 195 640 0 2897 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14164

[startup+6.30119 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 5737
/proc/meminfo: memFree=1834936/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=14800 CPUtime=6.29
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 1304 0 0 0 627 2 0 0 25 0 1 0 179185969 15155200 1285 1992294400 134512640 137136520 4294956256 18446744073709551615 134544449 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 3700 1285 195 640 0 3056 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14800

[startup+12.7019 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 5737
/proc/meminfo: memFree=1833656/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=15692 CPUtime=12.69
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 1519 0 0 0 1265 4 0 0 25 0 1 0 179185969 16068608 1500 1992294400 134512640 137136520 4294956256 18446744073709551615 136509034 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 3923 1500 195 640 0 3279 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 15692

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

[startup+13.502 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 5737
/proc/meminfo: memFree=1833656/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=15692 CPUtime=13.49
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 1519 0 0 0 1345 4 0 0 25 0 1 0 179185969 16068608 1500 1992294400 134512640 137136520 4294956256 18446744073709551615 134543819 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 3923 1500 195 640 0 3279 0
Current children cumulated CPU time (s) 13.49
Current children cumulated vsize (KiB) 15692

[startup+13.902 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 5737
/proc/meminfo: memFree=1833656/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=15692 CPUtime=13.89
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 1519 0 0 0 1385 4 0 0 25 0 1 0 179185969 16068608 1500 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 3923 1500 195 640 0 3279 0
Current children cumulated CPU time (s) 13.89
Current children cumulated vsize (KiB) 15692

[startup+14.3051 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 5737
/proc/meminfo: memFree=1833656/2055920 swapFree=4191900/4192956
[pid=5736] ppid=5734 vsize=15692 CPUtime=14.29
/proc/5736/stat : 5736 (bsolo) R 5734 5736 5438 0 -1 4194304 1519 0 0 0 1425 4 0 0 25 0 1 0 179185969 16068608 1500 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5736/statm: 3923 1500 195 640 0 3279 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 15692

Child status: 0
Real time (s): 14.342
CPU time (s): 14.3378
CPU user time (s): 14.2938
CPU system time (s): 0.043993
CPU usage (%): 99.9708
Max. virtual memory (cumulated for all children) (KiB): 15692

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 14.2938
system time used= 0.043993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1522
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= 24

runsolver used 0.016997 second user time and 0.035994 second system time

The end

Launcher Data 

Begin job on node37 at 2009-06-16 03:31:28
IDJOB=1878752
IDBENCH=1251
IDSOLVER=700
FILE ID=node37/1878752-1245115888
PBS_JOBID= 9363633
Free space on /tmp= 66168 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111227418.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1878752-1245115888/watcher-1878752-1245115888 -o /tmp/evaluation-result-1878752-1245115888/solver-1878752-1245115888 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1878752-1245115888.opb

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

MD5SUM BENCH= 1d0806e8d2a90a81262a0ea6810fc3cb
RANDOM SEED=1755492187

node37.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		: 3000.232
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		: 3000.232
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:       1839648 kB
Buffers:         26940 kB
Cached:         109888 kB
SwapCached:        260 kB
Active:          32596 kB
Inactive:       117432 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1839648 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            4020 kB
Writeback:           0 kB
Mapped:          21756 kB
Slab:            52244 kB
Committed_AS:   149228 kB
PageTables:       1376 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= 66164 MiB
End job on node37 at 2009-06-16 03:31:42