Trace number 1880110

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 1.3288 1.32783

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110971766.opb
MD5SUM4ce656c7025396ed91a180996d592d66
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 benchmark0.268958
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 1210
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-1880110-1245115390.opb
0.00/0.00	c File size is 9906 bytes.
0.00/0.00	c Highest Coefficient sum: 1210
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.002 s
0.00/0.00	c Var: 169 Constr: 101 30/70/1 Lit: 1205 Watch. Lit: 899
0.00/0.00	c Obj. Vars: 0 (0 % of total variables)
0.00/0.00	c Pre-processing Time: 0.007 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.
1.29/1.32	c      102    169      303    20373   67    13698    2820    204   1700 0.06
1.29/1.32	c      254    169      601    48849   81    28199    3103    502   1316 0.19
1.29/1.32	c      482    169     1029    89192   86    48686    3414    930    874 0.55
1.29/1.32	c      820    169     1671   150356   89    75207    3756   1572    662 1.24
1.29/1.32	c Backtracks by Clause: 678
1.29/1.32	c Backtracks by PB constraint: 114
1.29/1.32	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 
1.29/1.32	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.29/1.32	c    4      855    198     1414     1738   157082   1639    644 1.33
1.29/1.32	s SATISFIABLE
1.29/1.32	c Total time: 1.326 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-1880110-1245115390/watcher-1880110-1245115390 -o /tmp/evaluation-result-1880110-1245115390/solver-1880110-1245115390 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880110-1245115390.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: 0.99 0.98 1.00 3/64 5939
/proc/meminfo: memFree=1350752/2055920 swapFree=4191900/4192956
[pid=5939] ppid=5937 vsize=10708 CPUtime=0
/proc/5939/stat : 5939 (bsolo) R 5937 5939 5695 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179136174 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5939/statm: 2677 239 188 640 0 2033 0

[startup+0.0872831 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 5939
/proc/meminfo: memFree=1350752/2055920 swapFree=4191900/4192956
[pid=5939] ppid=5937 vsize=11364 CPUtime=0.08
/proc/5939/stat : 5939 (bsolo) R 5937 5939 5695 0 -1 4194304 449 0 0 0 8 0 0 0 18 0 1 0 179136174 11636736 430 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5939/statm: 2841 430 196 640 0 2197 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 11364

[startup+0.101284 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 5939
/proc/meminfo: memFree=1350752/2055920 swapFree=4191900/4192956
[pid=5939] ppid=5937 vsize=11492 CPUtime=0.09
/proc/5939/stat : 5939 (bsolo) R 5937 5939 5695 0 -1 4194304 477 0 0 0 9 0 0 0 18 0 1 0 179136174 11767808 458 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5939/statm: 2873 458 196 640 0 2229 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11492

[startup+0.301306 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 5939
/proc/meminfo: memFree=1350752/2055920 swapFree=4191900/4192956
[pid=5939] ppid=5937 vsize=12280 CPUtime=0.29
/proc/5939/stat : 5939 (bsolo) R 5937 5939 5695 0 -1 4194304 670 0 0 0 29 0 0 0 19 0 1 0 179136174 12574720 651 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5939/statm: 3070 651 197 640 0 2426 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12280

[startup+0.70135 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 5939
/proc/meminfo: memFree=1350752/2055920 swapFree=4191900/4192956
[pid=5939] ppid=5937 vsize=13332 CPUtime=0.69
/proc/5939/stat : 5939 (bsolo) R 5937 5939 5695 0 -1 4194304 923 0 0 0 69 0 0 0 22 0 1 0 179136174 13651968 904 1992294400 134512640 137136520 4294956256 18446744073709551615 134544425 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5939/statm: 3333 904 197 640 0 2689 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13332

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

[startup+1.1054 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 5940
/proc/meminfo: memFree=1347224/2055920 swapFree=4191900/4192956
[pid=5939] ppid=5937 vsize=14112 CPUtime=1.09
/proc/5939/stat : 5939 (bsolo) R 5937 5939 5695 0 -1 4194304 1144 0 0 0 109 0 0 0 25 0 1 0 179136174 14450688 1125 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5939/statm: 3528 1125 197 640 0 2884 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 14112

[startup+1.30142 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 5940
/proc/meminfo: memFree=1347224/2055920 swapFree=4191900/4192956
[pid=5939] ppid=5937 vsize=14496 CPUtime=1.29
/proc/5939/stat : 5939 (bsolo) R 5937 5939 5695 0 -1 4194304 1234 0 0 0 129 0 0 0 25 0 1 0 179136174 14843904 1215 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5939/statm: 3624 1215 197 640 0 2980 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 14496

Child status: 0
Real time (s): 1.32783
CPU time (s): 1.3288
CPU user time (s): 1.3198
CPU system time (s): 0.008998
CPU usage (%): 100.072
Max. virtual memory (cumulated for all children) (KiB): 14496

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.3198
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1242
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= 3

runsolver used 0.003999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node38 at 2009-06-16 03:23:10
IDJOB=1880110
IDBENCH=1179
IDSOLVER=701
FILE ID=node38/1880110-1245115390
PBS_JOBID= 9363647
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-t2001.13queen13.1110971766.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880110-1245115390/watcher-1880110-1245115390 -o /tmp/evaluation-result-1880110-1245115390/solver-1880110-1245115390 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880110-1245115390.opb

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

MD5SUM BENCH= 4ce656c7025396ed91a180996d592d66
RANDOM SEED=630127979

node38.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:       1351232 kB
Buffers:         85052 kB
Cached:         517856 kB
SwapCached:        592 kB
Active:         139780 kB
Inactive:       476728 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1351232 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            4156 kB
Writeback:           0 kB
Mapped:          22448 kB
Slab:            74144 kB
Committed_AS:   137720 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= 66232 MiB
End job on node38 at 2009-06-16 03:23:11