Trace number 1877433

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 3.1SAT 55.6235 55.6442

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_8.opb.PB06.opb
MD5SUMa6ae80bf3bd14a966c0a388701471ae7
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 benchmark1.54676
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1600
Total number of constraints328901
Number of constraints which are clauses327070
Number of constraints which are cardinality constraints (but not clauses)61
Number of constraints which are nor clauses,nor cardinality constraints1770
Minimum length of a constraint2
Maximum length of a constraint700
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 258
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 759
Number of bits of the biggest sum of numbers10
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: Cardinality Constraint 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-1877433-1245125544.opb
0.00/0.00	c File size is 11432849 bytes.
1.39/1.43	c Highest Coefficient sum: 759
1.39/1.43	c Parsing was ok!!
1.39/1.43	c Total parsing time: 1.428 s
1.49/1.54	c Var: 1600 Constr: 328962 327130/62/1770 Lit: 1068140 Watch. Lit: 709432
1.49/1.54	c Obj. Vars: 0 (0 % of total variables)
55.47/55.50	c Pre-processing Time: 55.486 s
55.47/55.51	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
55.47/55.51	c        0   1600   307962  1005140    3   678582  249583      0      0 55.49
55.47/55.51	c Switching off lower bounding mode.
55.57/55.63	c Backtracks by Clause: 0
55.57/55.63	c Backtracks by PB constraint: 0
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55.57/55.63	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
55.57/55.63	c    0        0      0      641   307962  1005140      0      0 55.61
55.57/55.63	s SATISFIABLE
55.57/55.63	c Total time: 55.611 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-1877433-1245125544/watcher-1877433-1245125544 -o /tmp/evaluation-result-1877433-1245125544/solver-1877433-1245125544 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877433-1245125544.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: 0.93 0.97 0.99 3/64 2708
/proc/meminfo: memFree=790656/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=21880 CPUtime=0
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 262 0 0 0 0 0 0 0 18 0 1 0 180153728 22405120 246 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 5470 246 175 640 0 2034 0

[startup+0.0181111 s]
/proc/loadavg: 0.93 0.97 0.99 3/64 2708
/proc/meminfo: memFree=790656/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=22288 CPUtime=0.01
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 385 0 0 0 1 0 0 0 18 0 1 0 180153728 22822912 369 1992294400 134512640 137136520 4294956256 18446744073709551615 134516218 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 5572 370 201 640 0 2136 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 22288

[startup+0.10112 s]
/proc/loadavg: 0.93 0.97 0.99 3/64 2708
/proc/meminfo: memFree=790656/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=24612 CPUtime=0.09
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 1142 0 0 0 9 0 0 0 18 0 1 0 180153728 25202688 1126 1992294400 134512640 137136520 4294956256 18446744073709551615 134516215 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 6153 1126 365 640 0 2717 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 24612

[startup+0.301143 s]
/proc/loadavg: 0.93 0.97 0.99 3/64 2708
/proc/meminfo: memFree=790656/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=30224 CPUtime=0.29
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 2939 0 0 0 29 0 0 0 20 0 1 0 180153728 30949376 2923 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 7556 2924 758 640 0 4120 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 30224

[startup+0.701186 s]
/proc/loadavg: 0.93 0.97 0.99 3/64 2708
/proc/meminfo: memFree=790656/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=41432 CPUtime=0.69
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 6508 0 0 0 68 1 0 0 24 0 1 0 180153728 42426368 6492 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 10358 6492 1541 640 0 6922 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 41432

[startup+1.50128 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 2709
/proc/meminfo: memFree=762360/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=60292 CPUtime=1.49
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 15465 0 0 0 145 4 0 0 25 0 1 0 180153728 61739008 12657 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 15073 12658 186 640 0 14429 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 60292

[startup+3.10145 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 2709
/proc/meminfo: memFree=717688/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=83340 CPUtime=3.09
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 21226 0 0 0 303 6 0 0 25 0 1 0 180153728 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 83340

[startup+6.30181 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 2709
/proc/meminfo: memFree=717368/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=83340 CPUtime=6.29
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 21226 0 0 0 621 8 0 0 25 0 1 0 180153728 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 83340

[startup+12.7015 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 2709
/proc/meminfo: memFree=717368/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=83340 CPUtime=12.69
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 21226 0 0 0 1258 11 0 0 25 0 1 0 180153728 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 83340

[startup+25.503 s]
/proc/loadavg: 0.95 0.97 0.99 2/65 2709
/proc/meminfo: memFree=717496/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=83340 CPUtime=25.48
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 21226 0 0 0 2531 17 0 0 25 0 1 0 180153728 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 134540163 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 83340

[startup+51.1028 s]
/proc/loadavg: 0.97 0.97 0.99 2/65 2709
/proc/meminfo: memFree=717560/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=83340 CPUtime=51.07
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 21226 0 0 0 5080 27 0 0 25 0 1 0 180153728 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 83340

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

[startup+52.702 s]
/proc/loadavg: 0.97 0.97 0.99 2/65 2709
/proc/meminfo: memFree=717560/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=83340 CPUtime=52.68
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 21226 0 0 0 5240 28 0 0 25 0 1 0 180153728 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 52.68
Current children cumulated vsize (KiB) 83340

[startup+54.3012 s]
/proc/loadavg: 0.97 0.97 0.99 2/65 2709
/proc/meminfo: memFree=717560/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=83340 CPUtime=54.27
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 21226 0 0 0 5398 29 0 0 25 0 1 0 180153728 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 54.27
Current children cumulated vsize (KiB) 83340

[startup+55.1012 s]
/proc/loadavg: 0.97 0.97 0.99 2/65 2709
/proc/meminfo: memFree=717560/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=83016 CPUtime=55.07
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 21226 0 0 0 5478 29 0 0 25 0 1 0 180153728 85008384 18337 1992294400 134512640 137136520 4294956256 18446744073709551615 136498219 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 20754 18337 191 640 0 20110 0
Current children cumulated CPU time (s) 55.07
Current children cumulated vsize (KiB) 83016

[startup+55.5013 s]
/proc/loadavg: 0.97 0.97 0.99 2/65 2709
/proc/meminfo: memFree=717560/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=83016 CPUtime=55.47
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 21226 0 0 0 5518 29 0 0 25 0 1 0 180153728 85008384 18337 1992294400 134512640 137136520 4294956256 18446744073709551615 134565221 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 20754 18337 191 640 0 20110 0
Current children cumulated CPU time (s) 55.47
Current children cumulated vsize (KiB) 83016

[startup+55.6013 s]
/proc/loadavg: 0.97 0.97 0.99 2/65 2709
/proc/meminfo: memFree=717560/2055920 swapFree=4192952/4192956
[pid=2708] ppid=2706 vsize=83016 CPUtime=55.57
/proc/2708/stat : 2708 (bsolo) R 2706 2708 920 0 -1 4194304 21228 0 0 0 5528 29 0 0 25 0 1 0 180153728 85008384 18339 1992294400 134512640 137136520 4294956256 18446744073709551615 136498219 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2708/statm: 20754 18339 193 640 0 20110 0
Current children cumulated CPU time (s) 55.57
Current children cumulated vsize (KiB) 83016

Child status: 0
Real time (s): 55.6442
CPU time (s): 55.6235
CPU user time (s): 55.3146
CPU system time (s): 0.308953
CPU usage (%): 99.9629
Max. virtual memory (cumulated for all children) (KiB): 83340

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 55.3146
system time used= 0.308953
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 21232
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= 163

runsolver used 0.050992 second user time and 0.157975 second system time

The end

Launcher Data 

Begin job on node35 at 2009-06-16 06:12:24
IDJOB=1877433
IDBENCH=1376
IDSOLVER=699
FILE ID=node35/1877433-1245125544
PBS_JOBID= 9363648
Free space on /tmp= 66124 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_8.opb.PB06.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877433-1245125544/watcher-1877433-1245125544 -o /tmp/evaluation-result-1877433-1245125544/solver-1877433-1245125544 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877433-1245125544.opb

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

MD5SUM BENCH= a6ae80bf3bd14a966c0a388701471ae7
RANDOM SEED=244807170

node35.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:        791072 kB
Buffers:         84840 kB
Cached:        1078500 kB
SwapCached:          4 kB
Active:         186444 kB
Inactive:       990796 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        791072 kB
SwapTotal:     4192956 kB
SwapFree:      4192952 kB
Dirty:           15332 kB
Writeback:           0 kB
Mapped:          23728 kB
Slab:            73596 kB
Committed_AS:   159716 kB
PageTables:       1400 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= 66120 MiB
End job on node35 at 2009-06-16 06:13:20