Trace number 1876047

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
wbo 1.0SAT 0.056991 0.058151

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_35_sat_pb.cnf.cr.opb
MD5SUM23ed8dbd20669d86dd929140e0f9c164
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 benchmark0.056991
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1838
Total number of constraints1330
Number of constraints which are clauses1260
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint17
Maximum length of a constraint35
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 36
Number of bits of the biggest sum of numbers6
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 This is wbo 1.0 alpha (based on Minisat 2.0 beta)
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Parsing opb file format. File HOME/instance-1876047-1245127054.opb.
0.00/0.00	c Instance file HOME/instance-1876047-1245127054.opb
0.00/0.00	c File size is 237949 bytes.
0.00/0.03	c Highest Coefficient sum: 36
0.00/0.03	c ============================[ Problem Statistics ]=============================
0.00/0.03	c |                                                                             |
0.00/0.03	c |  Parsing time:          0.03         s                                      |
0.00/0.03	c |  Number Variables:      1838                                                |
0.00/0.03	c |  Number Clauses:        1260                                                |
0.00/0.03	c |  Number Cardinality:    70                                                  |
0.00/0.03	c |  Number PB Constraints: 0                                                   |
0.00/0.03	c ============================[ Search Statistics ]==============================
0.00/0.03	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.03	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.03	c ===============================================================================
0.00/0.03	c |         0 |    1838     1330    25743 |     5000        0    nan |  0.000 % |
0.00/0.05	c |       101 |    1838     1330    25743 |     5500      101    391 |  0.000 % |
0.00/0.05	c ===============================================================================
0.00/0.05	c Verified 1330 original clauses.
0.00/0.05	c #cores: 0
0.00/0.05	c Final Weight: 0
0.00/0.05	s SATISFIABLE
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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-1876047-1245127054/watcher-1876047-1245127054 -o /tmp/evaluation-result-1876047-1245127054/solver-1876047-1245127054 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1876047-1245127054.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: 1.00 1.00 1.00 3/64 31458
/proc/meminfo: memFree=1352860/2055920 swapFree=4181368/4192956
[pid=31458] ppid=31456 vsize=2760 CPUtime=0
/proc/31458/stat : 31458 (wbo) R 31456 31458 29817 0 -1 4194304 214 0 0 0 0 0 0 0 18 0 1 0 180302590 2826240 198 1992294400 134512640 135709839 4294956240 18446744073709551615 135190367 0 0 4096 3 0 0 0 17 1 0 0
/proc/31458/statm: 690 198 125 292 0 336 0

[startup+0.00999205 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 31458
/proc/meminfo: memFree=1352860/2055920 swapFree=4181368/4192956
[pid=31458] ppid=31456 vsize=2892 CPUtime=0
/proc/31458/stat : 31458 (wbo) R 31456 31458 29817 0 -1 4194304 246 0 0 0 0 0 0 0 18 0 1 0 180302590 2961408 230 1992294400 134512640 135709839 4294956240 18446744073709551615 134548059 0 0 4096 3 0 0 0 17 1 0 0
/proc/31458/statm: 723 230 134 292 0 369 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2892

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

[startup+0.00999205 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 31458
/proc/meminfo: memFree=1352860/2055920 swapFree=4181368/4192956
[pid=31458] ppid=31456 vsize=2892 CPUtime=0
/proc/31458/stat : 31458 (wbo) R 31456 31458 29817 0 -1 4194304 246 0 0 0 0 0 0 0 18 0 1 0 180302590 2961408 230 1992294400 134512640 135709839 4294956240 18446744073709551615 134548059 0 0 4096 3 0 0 0 17 1 0 0
/proc/31458/statm: 723 230 134 292 0 369 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2892

Child status: 0
Real time (s): 0.058151
CPU time (s): 0.056991
CPU user time (s): 0.056991
CPU system time (s): 0
CPU usage (%): 98.0053
Max. virtual memory (cumulated for all children) (KiB): 2892

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.056991
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 439
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= 0

runsolver used 0.003999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node43 at 2009-06-16 06:37:34
IDJOB=1876047
IDBENCH=1420
IDSOLVER=698
FILE ID=node43/1876047-1245127054
PBS_JOBID= 9363666
Free space on /tmp= 66192 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_35_sat_pb.cnf.cr.opb
COMMAND LINE= wbo -file-format=opb -time-limit=TIMEOUT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1876047-1245127054/watcher-1876047-1245127054 -o /tmp/evaluation-result-1876047-1245127054/solver-1876047-1245127054 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1876047-1245127054.opb

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

MD5SUM BENCH= 23ed8dbd20669d86dd929140e0f9c164
RANDOM SEED=889278979

node43.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		: 3000.281
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		: 3000.281
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:       1353348 kB
Buffers:         45036 kB
Cached:         586772 kB
SwapCached:       5352 kB
Active:          71156 kB
Inactive:       568476 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1353348 kB
SwapTotal:     4192956 kB
SwapFree:      4181368 kB
Dirty:            2640 kB
Writeback:           0 kB
Mapped:          13572 kB
Slab:            48912 kB
Committed_AS:   163292 kB
PageTables:       1448 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-1876047-1245127054.opb

Free space on /tmp at the end= 66192 MiB
End job on node43 at 2009-06-16 06:37:34