Trace number 1883685

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
BoolVar 2009-04-26UNSAT 0.355945 0.330997

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/web/
uclid_pb_benchmarks/normalized-blast-floppy1-4.ucl.opb
MD5SUM9a49ee3c8b356d7e77d6d06226a241dc
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.002998
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables237
Total number of constraints197
Number of constraints which are clauses123
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints74
Minimum length of a constraint1
Maximum length of a constraint19
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 772
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 2305
Number of bits of the biggest sum of numbers12
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.25/0.27	------------------------
0.25/0.27	Encoding : LINEAR, DIRECT, BDD, POLYW, GLOBC
0.25/0.27	Size : 0, 778, 0, 0, 5942
0.25/0.27	Count : 0, 138, 0, 0, 59
0.25/0.27	
0.25/0.27	Command line : minisat tmp.dimacs %var 
0.25/0.27	
0.25/0.27	------------------------
0.25/0.28	This is MiniSat 2.0 beta
0.25/0.28	WARNING: for repeatability, setting FPU to use double precision
0.25/0.28	============================[ Problem Statistics ]=============================
0.25/0.28	|                                                                             |
0.25/0.28	|  Number of variables:  1673                                                 |
0.25/0.28	|  Number of clauses:    2724                                                 |
0.25/0.28	|  Parsing time:         0.00         s                                       |
0.25/0.28	Solved by unit propagation
0.25/0.28	s UNSATISFIABLE

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1883685-1245195269/watcher-1883685-1245195269 -o /tmp/evaluation-result-1883685-1245195269/solver-1883685-1245195269 -C 1800 -W 2000 -M 1800 java -Xmx1500m -jar pb2cnfsolver.jar 6 HOME/instance-1883685-1245195269.opb minisat %dimacs %var 

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 4853
/proc/meminfo: memFree=1877424/2055920 swapFree=4181364/4192956
[pid=4853] ppid=4851 vsize=0 CPUtime=0
/proc/4853/stat : 4853 (runsolver) R 4851 4853 4029 0 -1 4194368 16 0 0 0 0 0 0 0 20 0 1 0 187124250 0 0 1992294400 0 0 0 18446744073709551615 240907775271 0 0 4096 24578 0 0 0 17 1 0 0
/proc/4853/statm: 0 0 0 0 0 0 0

[startup+0.045924 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 4853
/proc/meminfo: memFree=1877424/2055920 swapFree=4181364/4192956
[pid=4853] ppid=4851 vsize=1682168 CPUtime=0.03
/proc/4853/stat : 4853 (java) S 4851 4853 4029 0 -1 0 1967 0 1 0 2 1 0 0 18 0 5 0 187124250 1722540032 1544 1992294400 134512640 134550932 4294956032 18446744073709551615 4294960144 0 0 0 16800971 18446744073709551615 0 0 17 0 0 0
/proc/4853/statm: 420542 1544 877 9 0 415457 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 1682168

[startup+0.102931 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 4853
/proc/meminfo: memFree=1877424/2055920 swapFree=4181364/4192956
[pid=4853] ppid=4851 vsize=1685160 CPUtime=0.11
/proc/4853/stat : 4853 (java) S 4851 4853 4029 0 -1 0 2829 0 1 0 9 2 0 0 18 0 9 0 187124250 1725603840 2325 1992294400 134512640 134550932 4294956032 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/4853/statm: 421290 2326 1215 9 0 416201 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 1685160

[startup+0.302958 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 4853
/proc/meminfo: memFree=1877424/2055920 swapFree=4181364/4192956
[pid=4853] ppid=4851 vsize=1686132 CPUtime=0.34
/proc/4853/stat : 4853 (java) S 4851 4853 4029 0 -1 0 3594 179 1 0 32 2 0 0 18 0 9 0 187124250 1726599168 2790 1992294400 134512640 134550932 4294956032 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/4853/statm: 421533 2790 1273 9 0 416444 0
Current children cumulated CPU time (s) 0.34
Current children cumulated vsize (KiB) 1686132

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

Child status: 0
Real time (s): 0.330997
CPU time (s): 0.355945
CPU user time (s): 0.320951
CPU system time (s): 0.034994
CPU usage (%): 107.537
Max. virtual memory (cumulated for all children) (KiB): 1686132

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.320951
system time used= 0.034994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3827
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 317
involuntary context switches= 168

runsolver used 0.003999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node36 at 2009-06-17 01:34:29
IDJOB=1883685
IDBENCH=1462
IDSOLVER=688
FILE ID=node36/1883685-1245195269
PBS_JOBID= 9368288
Free space on /tmp= 66200 MiB

SOLVER NAME= BoolVar 2009-04-26
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/normalized-blast-floppy1-4.ucl.opb
COMMAND LINE= java -Xmx1500m -jar pb2cnfsolver.jar 6 BENCHNAME minisat %dimacs %var
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1883685-1245195269/watcher-1883685-1245195269 -o /tmp/evaluation-result-1883685-1245195269/solver-1883685-1245195269 -C 1800 -W 2000 -M 1800  java -Xmx1500m -jar pb2cnfsolver.jar 6 HOME/instance-1883685-1245195269.opb minisat %dimacs %var

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

MD5SUM BENCH= 9a49ee3c8b356d7e77d6d06226a241dc
RANDOM SEED=83953931

node36.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		: 3000.230
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		: 3000.230
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:       1878032 kB
Buffers:         44456 kB
Cached:          86808 kB
SwapCached:       6436 kB
Active:          77096 kB
Inactive:        63116 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1878032 kB
SwapTotal:     4192956 kB
SwapFree:      4181364 kB
Dirty:             864 kB
Writeback:           0 kB
Mapped:          13428 kB
Slab:            23872 kB
Committed_AS:   190084 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-1883685-1245195269.opb

Free space on /tmp at the end= 66196 MiB
End job on node36 at 2009-06-17 01:34:30