Trace number 1877746

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 NameAnswerobjCPU timeWall clock time
bsolo 3.1OPT120 4.02339 4.02432

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-lin.rom.r.opb
MD5SUM3183c84355c854880486b3d148840656
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark120
Best CPU time to get the best result obtained on this benchmark0.629903
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 120
Optimality of the best value was proved YES
Number of variables1076
Total number of constraints1030
Number of constraints which are clauses1030
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint40
Number of terms in the objective function 1076
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 1076
Number of bits of the sum of numbers in the objective function 11
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 1076
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

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

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-1877746-1245172550.opb
0.00/0.00	c File size is 95666 bytes.
0.00/0.01	c Highest Coefficient sum: 1076
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.013 s
0.00/0.01	c Var: 1076 Constr: 1030 1030/0/0 Lit: 9955 Watch. Lit: 2060
0.00/0.01	c Obj. Vars: 1076 (100 % of total variables)
0.00/0.03	c Formula reductions applied at preprocessing
0.00/0.03	c Pre-processing Time: 0.036 s
0.09/0.18	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.18	c        0    651      613     3945    6     1226     204      0      0 0.04
0.09/0.18	c Initial Lower Bound: 120
0.09/0.18	c Initial Path Cost: 6
0.09/0.18	o 174
1.79/1.90	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.79/1.90	c        0    651      614     4596    7     1711    1204      1      0 0.19
1.79/1.90	o 173
3.69/3.77	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
3.69/3.77	c        0    651      615     5247    8     2197    2204      2      0 1.90
3.69/3.77	o 172
3.89/3.97	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
3.89/3.97	c        1    651      618     6348   10     2688    2204      5      0 3.77
3.89/3.97	o 121
3.99/4.02	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
3.99/4.02	c        1    651      619     6999   11     3226    2204      6      0 3.97
3.99/4.02	o 120
3.99/4.02	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
3.99/4.02	c        1    651      620     7650   12     3765    2204      7      0 4.02
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-x1029 -x1030 x1031 -x1032 -x1033 -x1034 x1035 -x1036 -x1037 -x1038 -x1039 -x1040 x1041 -x1042 -x1043 -x1044 -x1045 -x1046 -x1047 -x1048 -x1049 x1050 -x1051 -x1052 -x1053 x1054 -x1055 -x1056 -x1057 -x1058 -x1059 x1060 -x1061 -x1062 -x1063 x1064 -x1065 x1066 -x1067 x1068 -x1069 -x1070 x1071 -x1072 -x1073 x1074 x1075 -x1076 
3.99/4.02	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
3.99/4.02	c    5        2      2     1100      624     7653     11      0 4.02
3.99/4.02	c Objective: 120
3.99/4.02	s OPTIMUM FOUND
3.99/4.02	c Total time: 4.021 s

Verifier Data 

OK	120

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1877746-1245172550/watcher-1877746-1245172550 -o /tmp/evaluation-result-1877746-1245172550/solver-1877746-1245172550 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877746-1245172550.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 0.98 3/64 12531
/proc/meminfo: memFree=1684480/2055920 swapFree=4192956/4192956
[pid=12531] ppid=12529 vsize=10820 CPUtime=0
/proc/12531/stat : 12531 (bsolo) R 12529 12531 12308 0 -1 4194304 253 0 0 0 0 0 0 0 18 0 1 0 69963809 11079680 237 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/12531/statm: 2705 237 174 640 0 2037 0

[startup+0.0444159 s]
/proc/loadavg: 0.92 0.97 0.98 3/64 12531
/proc/meminfo: memFree=1684480/2055920 swapFree=4192956/4192956
[pid=12531] ppid=12529 vsize=11072 CPUtime=0.03
/proc/12531/stat : 12531 (bsolo) R 12529 12531 12308 0 -1 4194304 445 0 0 0 3 0 0 0 18 0 1 0 69963809 11337728 393 1992294400 134512640 137136520 4294956256 18446744073709551615 134710110 0 0 4096 16384 0 0 0 17 1 0 0
/proc/12531/statm: 2768 393 224 640 0 2124 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 11072

[startup+0.10142 s]
/proc/loadavg: 0.92 0.97 0.98 3/64 12531
/proc/meminfo: memFree=1684480/2055920 swapFree=4192956/4192956
[pid=12531] ppid=12529 vsize=12552 CPUtime=0.09
/proc/12531/stat : 12531 (bsolo) R 12529 12531 12308 0 -1 4194304 674 0 0 0 9 0 0 0 18 0 1 0 69963809 12853248 618 1992294400 134512640 137136520 4294956256 18446744073709551615 135464085 0 0 4096 16384 0 0 0 17 1 0 0
/proc/12531/statm: 3138 618 282 640 0 2494 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12552

[startup+0.301438 s]
/proc/loadavg: 0.92 0.97 0.98 3/64 12531
/proc/meminfo: memFree=1684480/2055920 swapFree=4192956/4192956
[pid=12531] ppid=12529 vsize=12716 CPUtime=0.29
/proc/12531/stat : 12531 (bsolo) R 12529 12531 12308 0 -1 4194304 1186 0 0 0 29 0 0 0 19 0 1 0 69963809 13021184 588 1992294400 134512640 137136520 4294956256 18446744073709551615 135442568 0 0 4096 16384 0 0 0 17 1 0 0
/proc/12531/statm: 3179 588 289 640 0 2535 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12716

[startup+0.701473 s]
/proc/loadavg: 0.92 0.97 0.98 3/64 12531
/proc/meminfo: memFree=1684480/2055920 swapFree=4192956/4192956
[pid=12531] ppid=12529 vsize=12580 CPUtime=0.69
/proc/12531/stat : 12531 (bsolo) R 12529 12531 12308 0 -1 4194304 2705 0 0 0 68 1 0 0 22 0 1 0 69963809 12881920 568 1992294400 134512640 137136520 4294956256 18446744073709551615 135250646 0 0 4096 16384 0 0 0 17 1 0 0
/proc/12531/statm: 3145 568 289 640 0 2501 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12580

[startup+1.50154 s]
/proc/loadavg: 0.92 0.97 0.98 2/65 12532
/proc/meminfo: memFree=1683064/2055920 swapFree=4192956/4192956
[pid=12531] ppid=12529 vsize=12252 CPUtime=1.49
/proc/12531/stat : 12531 (bsolo) R 12529 12531 12308 0 -1 4194304 11238 0 0 0 144 5 0 0 25 0 1 0 69963809 12546048 555 1992294400 134512640 137136520 4294956256 18446744073709551615 135382758 0 0 4096 16384 0 0 0 17 1 0 0
/proc/12531/statm: 3063 555 289 640 0 2419 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12252

[startup+3.10169 s]
/proc/loadavg: 0.93 0.97 0.98 2/65 12532
/proc/meminfo: memFree=1682488/2055920 swapFree=4192956/4192956
[pid=12531] ppid=12529 vsize=12788 CPUtime=3.09
/proc/12531/stat : 12531 (bsolo) R 12529 12531 12308 0 -1 4194304 27180 0 0 0 299 10 0 0 25 0 1 0 69963809 13094912 587 1992294400 134512640 137136520 4294956256 18446744073709551615 135443262 0 0 4096 16384 0 0 0 17 1 0 0
/proc/12531/statm: 3197 587 290 640 0 2553 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12788

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

[startup+3.50172 s]
/proc/loadavg: 0.93 0.97 0.98 2/65 12532
/proc/meminfo: memFree=1683064/2055920 swapFree=4192956/4192956
[pid=12531] ppid=12529 vsize=11308 CPUtime=3.49
/proc/12531/stat : 12531 (bsolo) R 12529 12531 12308 0 -1 4194304 34710 0 0 0 337 12 0 0 25 0 1 0 69963809 11579392 518 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/12531/statm: 2827 518 290 640 0 2183 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 11308

[startup+3.90176 s]
/proc/loadavg: 0.93 0.97 0.98 2/65 12532
/proc/meminfo: memFree=1683064/2055920 swapFree=4192956/4192956
[pid=12531] ppid=12529 vsize=12844 CPUtime=3.89
/proc/12531/stat : 12531 (bsolo) R 12529 12531 12308 0 -1 4194304 42779 0 0 0 375 14 0 0 25 0 1 0 69963809 13152256 635 1992294400 134512640 137136520 4294956256 18446744073709551615 135442568 0 0 4096 16384 0 0 0 17 1 0 0
/proc/12531/statm: 3211 636 292 640 0 2567 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 12844

[startup+4.00176 s]
/proc/loadavg: 0.93 0.97 0.98 2/65 12532
/proc/meminfo: memFree=1683064/2055920 swapFree=4192956/4192956
[pid=12531] ppid=12529 vsize=12856 CPUtime=3.99
/proc/12531/stat : 12531 (bsolo) R 12529 12531 12308 0 -1 4194304 43069 0 0 0 385 14 0 0 25 0 1 0 69963809 13164544 642 1992294400 134512640 137136520 4294956256 18446744073709551615 135438859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/12531/statm: 3214 642 292 640 0 2570 0
Current children cumulated CPU time (s) 3.99
Current children cumulated vsize (KiB) 12856

Child status: 0
Real time (s): 4.02432
CPU time (s): 4.02339
CPU user time (s): 3.87641
CPU system time (s): 0.146977
CPU usage (%): 99.9769
Max. virtual memory (cumulated for all children) (KiB): 12888

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.87641
system time used= 0.146977
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 43170
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= 8

runsolver used 0.005999 second user time and 0.014997 second system time

The end

Launcher Data 

Begin job on node41 at 2009-06-16 19:15:50
IDJOB=1877746
IDBENCH=2871
IDSOLVER=699
FILE ID=node41/1877746-1245172550
PBS_JOBID= 9363885
Free space on /tmp= 65960 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-lin.rom.r.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877746-1245172550/watcher-1877746-1245172550 -o /tmp/evaluation-result-1877746-1245172550/solver-1877746-1245172550 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877746-1245172550.opb

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

MD5SUM BENCH= 3183c84355c854880486b3d148840656
RANDOM SEED=1042770966

node41.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		: 3000.216
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		: 3000.216
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:       1684904 kB
Buffers:         48120 kB
Cached:         242988 kB
SwapCached:          0 kB
Active:         162276 kB
Inactive:       141708 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1684904 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            4136 kB
Writeback:           0 kB
Mapped:          22716 kB
Slab:            53088 kB
Committed_AS:    53716 kB
PageTables:       1360 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1877746-1245172550.opb

Free space on /tmp at the end= 65956 MiB
End job on node41 at 2009-06-16 19:15:54