Trace number 360998

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 NameAnswerCPU timeWall clock time
sat4jPseudoCP 2007-03-23UNSAT 1.11483 0.837112

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/
aloul/FPGA_SAT05/normalized-chnl35_45_pb.cnf.cr.opb
MD5SUMf8c14dd136fe3d96d6bf396134dc65fd
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
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 benchmark0.025995
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables3150
Total number of constraints160
Number of constraints which are clauses90
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 constraint35
Maximum length of a constraint45
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 46
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 (download as text)

0.09/0.14	c SAT4J: a SATisfiability library for Java (c) 2004-2006 Daniel Le Berre
0.09/0.14	c This is free software under the GNU LGPL licence. See www.sat4j.org for details.
0.09/0.14	c This software uses some libraries from the Jakarta project. See jakarta.apache.org for details.
0.09/0.15	c no version file found!!!
0.09/0.15	c sun.arch.data.model	32
0.09/0.15	c java.version	1.6.0
0.09/0.15	c os.name	Linux
0.09/0.15	c os.version	2.6.9-22.EL.rootsmp
0.09/0.15	c os.arch	i386
0.09/0.15	c Free memory 1651659224
0.09/0.15	c Max memory 1654456320
0.09/0.15	c Total memory 1654456320
0.09/0.15	c Number of processors 2
0.21/0.20	c Cutting planes based inference (org.sat4j.minisat.constraints.pb.PBSolver)
0.21/0.20	--- Begin Solver configuration ---
0.21/0.20	c Stops conflict analysis at the first Unique Implication Point
0.21/0.20	c org.sat4j.minisat.constraints.PBMaxClauseCardConstrDataStructure@691f36
0.21/0.20	c Learn all clauses as in MiniSAT
0.21/0.20	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=10000.0 initConflictBound=100 
0.21/0.20	c VSIDS like heuristics from MiniSAT using a heap
0.21/0.20	c No reason simplification
0.21/0.20	c --- End Solver configuration ---
0.21/0.20	c solving /tmp/evaluation/360998-1176977271/instance-360998-1176977271.opb
0.21/0.20	c reading problem ... 
0.79/0.62	c ... done. Wall clock time 0.419s.
0.79/0.62	c CPU time (experimental) 0.45s.
0.79/0.62	c #vars     3150
0.79/0.62	c #constraints  160
0.94/0.78	c starts		: 1
0.94/0.78	c conflicts		: 1
0.94/0.78	c decisions		: 596
0.94/0.78	c propagations		: 1566
0.94/0.78	c inspects		: 1005
0.94/0.78	c learnt literals	: 0
0.94/0.78	c learnt binary clauses	: 0
0.94/0.78	c learnt ternary clauses	: 0
0.94/0.78	c learnt clauses	: 0
0.94/0.78	c root simplifications	: 0
0.94/0.78	c removed literals (reason simplification)	: 0
0.94/0.78	c reason swapping (by a shorter reason)	: 0
0.94/0.78	c Calls to reduceDB	: 0
0.94/0.78	c speed (decisions/second)	: 3870.12987012987
0.94/0.78	c non guided choices	596
0.94/0.78	s UNSATISFIABLE
0.94/0.78	c Total wall clock time (ms): 0.582

Verifier Data (download as text)

ERROR: no interpretation found !

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node3/watcher-360998-1176977271 -o ROOT/results/node3/solver-360998-1176977271 -C 1800 -W 3600 -M 1800 --output-limit 1,15 java -server -Xms1600M -Xmx1600M -jar /tmp/evaluation/360998-1176977271/sat4jPseudoCP.jar /tmp/evaluation/360998-1176977271/instance-360998-1176977271.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 1.00 0.85 2/77 13368
/proc/meminfo: memFree=1351968/2055920 swapFree=4140660/4192956
[pid=13368] ppid=13366 vsize=152 CPUtime=0
/proc/13368/stat : 13368 (java) R 13366 13368 13000 0 -1 0 42 0 0 0 0 0 0 0 19 0 1 0 173764888 155648 26 18446744073709551615 134512640 134550740 4294956608 18446744073709551615 10924331 0 0 4096 0 0 0 0 17 1 0 0
/proc/13368/statm: 38 26 19 9 0 4 0

[startup+0.0257771 s]
/proc/loadavg: 1.00 1.00 0.85 2/77 13368
/proc/meminfo: memFree=1351968/2055920 swapFree=4140660/4192956
[pid=13368] ppid=13366 vsize=1772952 CPUtime=0.01
/proc/13368/stat : 13368 (java) S 13366 13368 13000 0 -1 0 1997 0 1 0 0 1 0 0 18 0 2 0 173764888 1815502848 1747 18446744073709551615 134512640 134550740 4294956448 18446744073709551615 4294960144 0 0 0 7368 18446744073709551615 0 0 17 1 0 0
/proc/13368/statm: 443238 1755 381 9 0 441252 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 1772952

[startup+0.10278 s]
/proc/loadavg: 1.00 1.00 0.85 2/77 13368
/proc/meminfo: memFree=1351968/2055920 swapFree=4140660/4192956
[pid=13368] ppid=13366 vsize=1780108 CPUtime=0.09
/proc/13368/stat : 13368 (java) S 13366 13368 13000 0 -1 0 3978 0 1 0 6 3 0 0 18 0 12 0 173764888 1822830592 3719 18446744073709551615 134512640 134550740 4294956448 18446744073709551615 4294960144 0 0 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/13368/statm: 445027 3719 1123 9 0 442646 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1780108

[startup+0.302818 s]
/proc/loadavg: 1.00 1.00 0.85 2/77 13368
/proc/meminfo: memFree=1351968/2055920 swapFree=4140660/4192956
[pid=13368] ppid=13366 vsize=1782584 CPUtime=0.32
/proc/13368/stat : 13368 (java) S 13366 13368 13000 0 -1 0 5209 0 1 0 28 4 0 0 18 0 12 0 173764888 1825366016 4947 18446744073709551615 134512640 134550740 4294956448 18446744073709551615 4294960144 0 0 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/13368/statm: 445646 4947 1264 9 0 443258 0
Current children cumulated CPU time (s) 0.32
Current children cumulated vsize (KiB) 1782584

[startup+0.701885 s]
/proc/loadavg: 1.00 1.00 0.85 2/77 13368
/proc/meminfo: memFree=1351968/2055920 swapFree=4140660/4192956
[pid=13368] ppid=13366 vsize=1785084 CPUtime=0.94
/proc/13368/stat : 13368 (java) S 13366 13368 13000 0 -1 0 7296 0 1 0 88 6 0 0 18 0 13 0 173764888 1827926016 6588 18446744073709551615 134512640 134550740 4294956448 18446744073709551615 4294960144 0 0 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/13368/statm: 446271 6588 1307 9 0 443883 0
Current children cumulated CPU time (s) 0.94
Current children cumulated vsize (KiB) 1785084

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

[startup+0.801896 s]
/proc/loadavg: 1.00 1.00 0.85 2/77 13368
/proc/meminfo: memFree=1351968/2055920 swapFree=4140660/4192956
[pid=13368] ppid=13366 vsize=1785148 CPUtime=1.1
/proc/13368/stat : 13368 (java) S 13366 13368 13000 0 -1 0 7548 0 1 0 104 6 0 0 18 0 12 0 173764888 1827991552 6804 18446744073709551615 134512640 134550740 4294956448 18446744073709551615 4294960144 0 0 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/13368/statm: 446287 6804 1317 9 0 443899 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 1785148

Child status: 20
Real time (s): 0.837112
CPU time (s): 1.11483
CPU user time (s): 1.04484
CPU system time (s): 0.069989
CPU usage (%): 133.176
Max. virtual memory (cumulated for all children) (KiB): 1785148

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.04484
system time used= 0.069989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7552
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= 344
involuntary context switches= 267

runsolver used 0.000999 second user time and 0.008998 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Thu Apr 19 10:07:51 UTC 2007

IDJOB= 360998
IDBENCH= 1411
IDSOLVER= 160
FILE ID= node3/360998-1176977271

PBS_JOBID= 4630397

Free space on /tmp= 66355 MiB

SOLVER NAME= sat4jPseudoCP 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-chnl35_45_pb.cnf.cr.opb
COMMAND LINE= java -server -Xms1600M -Xmx1600M -jar /tmp/evaluation/360998-1176977271/sat4jPseudoCP.jar /tmp/evaluation/360998-1176977271/instance-360998-1176977271.opb       
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-360998-1176977271 -o ROOT/results/node3/solver-360998-1176977271 -C 1800 -W 3600 -M 1800 --output-limit 1,15  java -server -Xms1600M -Xmx1600M -jar /tmp/evaluation/360998-1176977271/sat4jPseudoCP.jar /tmp/evaluation/360998-1176977271/instance-360998-1176977271.opb       

META MD5SUM SOLVER= 592978c395d7dcf045996aed0652cb30
MD5SUM BENCH=  f8c14dd136fe3d96d6bf396134dc65fd

RANDOM SEED= 180396209

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node3.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		: 3000.270
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		: 3000.270
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:       1352440 kB
Buffers:         38232 kB
Cached:         598072 kB
SwapCached:      15204 kB
Active:         218048 kB
Inactive:       441816 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1352440 kB
SwapTotal:     4192956 kB
SwapFree:      4140660 kB
Dirty:            3660 kB
Writeback:           0 kB
Mapped:          30564 kB
Slab:            29212 kB
Committed_AS:  5287472 kB
PageTables:       1784 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= 66355 MiB

End job on node3 on Thu Apr 19 10:07:52 UTC 2007