Trace number 1877431

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 58.0482 58.0753

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_1.opb.PB06.opb
MD5SUM285f81376739daaaae61d54cc606f233
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 benchmark1.44478
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 268
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 789
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-1877431-1245125402.opb
0.00/0.00	c File size is 11433353 bytes.
1.49/1.53	c Highest Coefficient sum: 789
1.49/1.53	c Parsing was ok!!
1.49/1.53	c Total parsing time: 1.53 s
1.58/1.65	c Var: 1600 Constr: 328962 327130/62/1770 Lit: 1068140 Watch. Lit: 708982
1.58/1.65	c Obj. Vars: 0 (0 % of total variables)
57.86/57.93	c Pre-processing Time: 57.904 s
57.86/57.94	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
57.86/57.94	c        0   1600   307962  1005140    3   678579  249583      0      0 57.90
57.86/57.94	c Switching off lower bounding mode.
57.96/58.06	c Backtracks by Clause: 0
57.96/58.06	c Backtracks by PB constraint: 0
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57.96/58.06	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
57.96/58.06	c    0        0      0      669   307962  1005140      0      0 58.03
57.96/58.06	s SATISFIABLE
57.96/58.06	c Total time: 58.034 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-1877431-1245125402/watcher-1877431-1245125402 -o /tmp/evaluation-result-1877431-1245125402/solver-1877431-1245125402 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877431-1245125402.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: 1.16 1.03 1.01 2/64 4130
/proc/meminfo: memFree=680048/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=21876 CPUtime=0
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 180137273 22401024 242 1992294400 134512640 137136520 4294956256 18446744073709551615 134517302 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 5469 243 175 640 0 2033 0

[startup+0.020042 s]
/proc/loadavg: 1.16 1.03 1.01 2/64 4130
/proc/meminfo: memFree=680048/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=22288 CPUtime=0.01
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 392 0 0 0 1 0 0 0 18 0 1 0 180137273 22822912 376 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 5572 376 202 640 0 2136 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 22288

[startup+0.10105 s]
/proc/loadavg: 1.16 1.03 1.01 2/64 4130
/proc/meminfo: memFree=680048/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=24476 CPUtime=0.09
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 1087 0 0 0 9 0 0 0 18 0 1 0 180137273 25063424 1071 1992294400 134512640 137136520 4294956256 18446744073709551615 134517592 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 6119 1072 353 640 0 2683 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 24476

[startup+0.301068 s]
/proc/loadavg: 1.16 1.03 1.01 2/64 4130
/proc/meminfo: memFree=680048/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=29808 CPUtime=0.29
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 2772 0 0 0 28 1 0 0 19 0 1 0 180137273 30523392 2756 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 7452 2756 721 640 0 4016 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 29808

[startup+0.702111 s]
/proc/loadavg: 1.16 1.03 1.01 2/64 4130
/proc/meminfo: memFree=680048/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=40200 CPUtime=0.69
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 6113 0 0 0 67 2 0 0 23 0 1 0 180137273 41164800 6097 1992294400 134512640 137136520 4294956256 18446744073709551615 134517643 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 10050 6097 1455 640 0 6614 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 40200

[startup+1.50219 s]
/proc/loadavg: 1.15 1.03 1.01 2/65 4131
/proc/meminfo: memFree=653224/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=59832 CPUtime=1.49
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 12461 0 0 0 144 5 0 0 25 0 1 0 180137273 61267968 12445 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 14958 12445 2907 640 0 11522 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 59832

[startup+3.10136 s]
/proc/loadavg: 1.15 1.03 1.01 2/65 4131
/proc/meminfo: memFree=624168/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=83340 CPUtime=3.09
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 21226 0 0 0 300 9 0 0 25 0 1 0 180137273 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 83340

[startup+6.30168 s]
/proc/loadavg: 1.13 1.03 1.01 2/65 4131
/proc/meminfo: memFree=606760/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=83340 CPUtime=6.29
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 21226 0 0 0 618 11 0 0 25 0 1 0 180137273 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 83340

[startup+12.7013 s]
/proc/loadavg: 1.12 1.03 1.01 2/65 4131
/proc/meminfo: memFree=606832/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=83340 CPUtime=12.68
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 21226 0 0 0 1254 14 0 0 25 0 1 0 180137273 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 83340

[startup+25.5016 s]
/proc/loadavg: 1.10 1.03 1.01 2/65 4131
/proc/meminfo: memFree=606960/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=83340 CPUtime=25.48
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 21226 0 0 0 2527 21 0 0 25 0 1 0 180137273 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 83340

[startup+51.1012 s]
/proc/loadavg: 1.06 1.03 1.01 2/65 4131
/proc/meminfo: memFree=607024/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=83340 CPUtime=51.07
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 21226 0 0 0 5072 35 0 0 25 0 1 0 180137273 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/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+54.3016 s]
/proc/loadavg: 1.06 1.03 1.01 2/65 4131
/proc/meminfo: memFree=607024/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=83340 CPUtime=54.27
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 21226 0 0 0 5390 37 0 0 25 0 1 0 180137273 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 54.27
Current children cumulated vsize (KiB) 83340

[startup+55.9017 s]
/proc/loadavg: 1.06 1.03 1.01 2/65 4131
/proc/meminfo: memFree=607024/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=83340 CPUtime=55.86
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 21226 0 0 0 5549 37 0 0 25 0 1 0 180137273 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 55.86
Current children cumulated vsize (KiB) 83340

[startup+56.7018 s]
/proc/loadavg: 1.06 1.03 1.00 2/65 4131
/proc/meminfo: memFree=607024/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=83340 CPUtime=56.67
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 21226 0 0 0 5629 38 0 0 25 0 1 0 180137273 85340160 18418 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 20835 18418 191 640 0 20191 0
Current children cumulated CPU time (s) 56.67
Current children cumulated vsize (KiB) 83340

[startup+57.5019 s]
/proc/loadavg: 1.06 1.03 1.00 2/65 4131
/proc/meminfo: memFree=607024/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=83016 CPUtime=57.47
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 21226 0 0 0 5709 38 0 0 25 0 1 0 180137273 85008384 18337 1992294400 134512640 137136520 4294956256 18446744073709551615 136498696 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 20754 18337 191 640 0 20110 0
Current children cumulated CPU time (s) 57.47
Current children cumulated vsize (KiB) 83016

[startup+57.9019 s]
/proc/loadavg: 1.06 1.03 1.00 2/65 4131
/proc/meminfo: memFree=607024/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=83016 CPUtime=57.86
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 21226 0 0 0 5748 38 0 0 25 0 1 0 180137273 85008384 18337 1992294400 134512640 137136520 4294956256 18446744073709551615 136499600 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 20754 18337 191 640 0 20110 0
Current children cumulated CPU time (s) 57.86
Current children cumulated vsize (KiB) 83016

[startup+58.0019 s]
/proc/loadavg: 1.06 1.03 1.00 2/65 4131
/proc/meminfo: memFree=607024/2055920 swapFree=4192952/4192956
[pid=4130] ppid=4128 vsize=83016 CPUtime=57.96
/proc/4130/stat : 4130 (bsolo) R 4128 4130 3233 0 -1 4194304 21228 0 0 0 5758 38 0 0 25 0 1 0 180137273 85008384 18339 1992294400 134512640 137136520 4294956256 18446744073709551615 136498262 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4130/statm: 20754 18339 193 640 0 20110 0
Current children cumulated CPU time (s) 57.96
Current children cumulated vsize (KiB) 83016

Child status: 0
Real time (s): 58.0753
CPU time (s): 58.0482
CPU user time (s): 57.6492
CPU system time (s): 0.398939
CPU usage (%): 99.9533
Max. virtual memory (cumulated for all children) (KiB): 83340

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 57.6492
system time used= 0.398939
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= 97

runsolver used 0.049992 second user time and 0.140978 second system time

The end

Launcher Data 

Begin job on node45 at 2009-06-16 06:10:03
IDJOB=1877431
IDBENCH=1374
IDSOLVER=699
FILE ID=node45/1877431-1245125402
PBS_JOBID= 9363671
Free space on /tmp= 66160 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_1.opb.PB06.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877431-1245125402/watcher-1877431-1245125402 -o /tmp/evaluation-result-1877431-1245125402/solver-1877431-1245125402 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877431-1245125402.opb

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

MD5SUM BENCH= 285f81376739daaaae61d54cc606f233
RANDOM SEED=637481198

node45.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		: 3000.240
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		: 3000.240
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:        680400 kB
Buffers:         84988 kB
Cached:        1188172 kB
SwapCached:          4 kB
Active:         191376 kB
Inactive:      1095672 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        680400 kB
SwapTotal:     4192956 kB
SwapFree:      4192952 kB
Dirty:           15320 kB
Writeback:           0 kB
Mapped:          23696 kB
Slab:            74448 kB
Committed_AS:   148104 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= 66156 MiB
End job on node45 at 2009-06-16 06:11:01