Trace number 366854

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, and are wall clock time (not CPU 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 NameAnswerObjective functionCPU timeWall clock time
minisat+ 1.14OPT6 0.028994 0.030279

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/
bounded_golomb_rulers/normalized-bogr_4.opb
MD5SUMe07d1b5f59078d7e9ac49c5c9d354a5d
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark6
Best CPU time to get the best result obtained on this benchmark0.003998
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 6
Optimality of the best value was proved YES
Number of variables38
Total number of constraints44
Number of constraints which are clauses1
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints43
Minimum length of a constraint1
Maximum length of a constraint18
Number of terms in the objective function 5
Biggest coefficient in the objective function 8
Number of bits for the biggest coefficient in the objective function 4
Sum of the numbers in the objective function 21
Number of bits of the sum of numbers in the objective function 5
Biggest number in a constraint 32
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 114
Number of bits of the biggest sum of numbers7
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 (download as text)

0.00/0.00	c Parsing PB file...
0.00/0.00	c Converting 43 PB-constraints to clauses...
0.00/0.00	c   -- Unit propagations: (none)
0.00/0.00	c   -- Detecting intervals from adjacent constraints: ####################
0.00/0.00	c   -- Clauses(.)/Splits(s): (none)
0.00/0.00	c ---[  41]---> Sorter-cost:  100     Base: 2 2 2
0.00/0.00	c ---[  39]---> Sorter-cost:  102     Base: 2 2 2
0.00/0.00	c ---[  37]---> Sorter-cost:  138     Base: 2 2 2
0.00/0.00	c ---[  35]---> Sorter-cost:   46     Base: 2 2 2
0.00/0.01	c ---[  33]---> Sorter-cost:   97     Base: 2 2 2
0.00/0.01	c ---[  31]---> Sorter-cost:   98     Base: 2 2 2
0.00/0.01	c ---[  29]---> BDD-cost:   18
0.00/0.01	c ---[  27]---> Sorter-cost:   75     Base: 2 2 2
0.00/0.01	c ---[  25]---> Sorter-cost:   83     Base: 2 2 2
0.00/0.01	c ---[  23]---> Sorter-cost:   35     Base: 2 2 2
0.00/0.01	c ---[  21]---> BDD-cost:   20
0.00/0.01	c ---[  19]---> BDD-cost:   21
0.00/0.01	c ---[  17]---> Sorter-cost:   74     Base: 2 2 2
0.00/0.01	c ---[  15]---> Sorter-cost:   81     Base: 2 2 2
0.00/0.01	c ---[  13]---> Sorter-cost:   35     Base: 2 2 2
0.00/0.01	c ---[  11]---> Sorter-cost:   35     Base: 2 2 2
0.00/0.01	c ---[   9]---> Sorter-cost:   35     Base: 2 2 2
0.00/0.01	c ---[   7]---> BDD-cost:   21
0.00/0.01	c ---[   5]---> BDD-cost:   23
0.00/0.01	c ---[   3]---> BDD-cost:   22
0.00/0.01	c ---[   2]---> BDD-cost:   12
0.00/0.01	c ---[   1]---> BDD-cost:   12
0.00/0.01	c ---[   0]---> BDD-cost:   10
0.00/0.02	c ==================================[MINISAT+]==================================
0.00/0.02	c | Conflicts | Original         | Learnt                           | Progress |
0.00/0.02	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
0.00/0.02	c ==============================================================================
0.00/0.02	c |         0 |    2502     6039 |     834       0        0     nan |  0.000 % |
0.00/0.02	c ==============================================================================
0.00/0.02	c Found solution: 18
0.00/0.02	o 18
0.00/0.02	c ---[   0]---> BDD-cost:    1
0.00/0.02	c ==================================[MINISAT+]==================================
0.00/0.02	c | Conflicts | Original         | Learnt                           | Progress |
0.00/0.02	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
0.00/0.02	c ==============================================================================
0.00/0.02	c |         8 |    2503     6042 |     834       8       38     4.8 |  0.000 % |
0.00/0.02	c ==============================================================================
0.00/0.02	c Found solution: 17
0.00/0.02	o 17
0.00/0.02	c ---[   0]---> BDD-cost:    2
0.00/0.02	c ==================================[MINISAT+]==================================
0.00/0.02	c | Conflicts | Original         | Learnt                           | Progress |
0.00/0.02	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
0.00/0.02	c ==============================================================================
0.00/0.02	c |        26 |    2507     6052 |     835      26      129     5.0 |  0.000 % |
0.00/0.02	c ==============================================================================
0.00/0.02	c Found solution: 12
0.00/0.02	o 12
0.00/0.02	c ---[   0]---> BDD-cost:    1
0.00/0.02	c ==================================[MINISAT+]==================================
0.00/0.02	c | Conflicts | Original         | Learnt                           | Progress |
0.00/0.02	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
0.00/0.02	c ==============================================================================
0.00/0.02	c |        34 |    2397     5804 |     799      33      155     4.7 |  0.000 % |
0.00/0.02	c ==============================================================================
0.00/0.02	c Found solution: 10
0.00/0.02	o 10
0.00/0.02	c ==================================[MINISAT+]==================================
0.00/0.02	c | Conflicts | Original         | Learnt                           | Progress |
0.00/0.02	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
0.00/0.02	c ==============================================================================
0.00/0.02	c |        44 |    2176     5292 |     725      39      191     4.9 |  0.000 % |
0.00/0.02	c ==============================================================================
0.00/0.02	c Found solution: 6
0.00/0.02	o 6
0.00/0.02	c Optimal solution: 6
0.00/0.02	s OPTIMUM FOUND
0.00/0.02	v -x1 -x2 -x3 -x4 x38 -x5 -x6 -x7 -x8 x14 -x15 -x16 -x17 -x37 -x9 -x10 -x11 -x12 -x13 -x36 x35 x34 x33 x32 -x31 x30 x29 x28 x27 x26 x25
0.00/0.02	v x24 x23 x22 x21 x20 x19 x18
0.00/0.02	c _______________________________________________________________________________
0.00/0.02	c 
0.00/0.02	c restarts              : 5
0.00/0.02	c conflicts             : 53             (1963 /sec)
0.00/0.02	c decisions             : 843            (31228 /sec)
0.00/0.02	c propagations          : 0              (0 /sec)
0.00/0.02	c inspects              : 0              (0 /sec)
0.00/0.02	c CPU time              : 0.026995 s
0.00/0.02	c _______________________________________________________________________________

Verifier Data (download as text)

OK	6

Conversion Script Data (download as text)

/tmp/evaluation/366854-1177067599/instance-366854-1177067599.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node25/watcher-366854-1177067599 -o ROOT/results/node25/solver-366854-1177067599 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/366854-1177067599/minisat+ /tmp/evaluation/366854-1177067599/instance-366854-1177067599.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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.01 1.00 3/64 7109
/proc/meminfo: memFree=1639864/2055920 swapFree=4182972/4192956
[pid=7109] ppid=7107 vsize=1048 CPUtime=0
/proc/7109/stat : 7109 (minisat+) R 7107 7109 6126 0 -1 4194304 110 0 0 0 0 0 0 0 18 0 1 0 154676968 1073152 95 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135005853 0 0 4096 16386 0 0 0 17 1 0 0
/proc/7109/statm: 262 95 74 215 0 44 0

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

Child status: 30
Real time (s): 0.030279
CPU time (s): 0.028994
CPU user time (s): 0.027995
CPU system time (s): 0.000999
CPU usage (%): 95.756
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.027995
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 214
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= 10
involuntary context switches= 0

runsolver used 0.005999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node25 on Fri Apr 20 11:13:19 UTC 2007

IDJOB= 366854
IDBENCH= 2933
IDSOLVER= 156
FILE ID= node25/366854-1177067599

PBS_JOBID= 4640236

Free space on /tmp= 66367 MiB

SOLVER NAME= minisat+ 1.14
BENCH NAME= HOME/pub/bench/PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/bounded_golomb_rulers/normalized-bogr_4.opb
COMMAND LINE= /tmp/evaluation/366854-1177067599/minisat+ /tmp/evaluation/366854-1177067599/instance-366854-1177067599.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node25/convwatcher-366854-1177067599 -o ROOT/results/node25/conversion-366854-1177067599 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/366854-1177067599/instance-366854-1177067599.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node25/watcher-366854-1177067599 -o ROOT/results/node25/solver-366854-1177067599 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/366854-1177067599/minisat+ /tmp/evaluation/366854-1177067599/instance-366854-1177067599.opb            

META MD5SUM SOLVER= e46aded85e5f265b61da9cdcce06370e
MD5SUM BENCH=  e07d1b5f59078d7e9ac49c5c9d354a5d

RANDOM SEED= 750124949

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node25.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.261
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		: 3000.261
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:       1640272 kB
Buffers:         73944 kB
Cached:         289232 kB
SwapCached:       3684 kB
Active:         195796 kB
Inactive:       178872 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1640272 kB
SwapTotal:     4192956 kB
SwapFree:      4182972 kB
Dirty:            2508 kB
Writeback:           0 kB
Mapped:          16284 kB
Slab:            27072 kB
Committed_AS:  4059488 kB
PageTables:       1472 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= 66367 MiB

End job on node25 on Fri Apr 20 11:13:19 UTC 2007