Trace number 1884761

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 0.088986 0.0893901

General information on the benchmark

Name/PURE-SAT/SAT09/CRAFTED/
parity-games/instance_n4_i4_pp.opb
MD5SUM055a8e9fd53dbcecebb693265eb8210c
Bench CategoryPURE-SAT (instances containing only clauses)
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 benchmark0.088986
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables1572
Total number of constraints9007
Number of constraints which are clauses9007
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 constraint12
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 3
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 13
Number of bits of the biggest sum of numbers4
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-1884761-1245260317.opb.
0.00/0.00	c Instance file HOME/instance-1884761-1245260317.opb
0.00/0.00	c File size is 301705 bytes.
0.00/0.04	c Highest Coefficient sum: 13
0.00/0.04	c ============================[ Problem Statistics ]=============================
0.00/0.04	c |                                                                             |
0.00/0.04	c |  Parsing time:          0.04         s                                      |
0.00/0.04	c |  Number Variables:      1572                                                |
0.00/0.04	c |  Number Clauses:        9007                                                |
0.00/0.04	c |  Number Cardinality:    0                                                   |
0.00/0.04	c |  Number PB Constraints: 0                                                   |
0.00/0.04	c ============================[ Search Statistics ]==============================
0.00/0.04	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.04	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.04	c ===============================================================================
0.00/0.04	c |         0 |    1572     9007    28496 |     5000        0    nan |  0.000 % |
0.04/0.05	c |       100 |    1568     9007    28496 |     5500      100     10 |  0.318 % |
0.04/0.06	c |       251 |    1562     9007    28496 |     6050      251     10 |  0.954 % |
0.04/0.08	c ===============================================================================
0.04/0.08	c Verified 9007 original clauses.
0.04/0.08	c #cores: 0
0.04/0.08	c Final Weight: 0
0.04/0.08	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-1884761-1245260317/watcher-1884761-1245260317 -o /tmp/evaluation-result-1884761-1245260317/solver-1884761-1245260317 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1884761-1245260317.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 0.92 3/64 7540
/proc/meminfo: memFree=1597000/2055920 swapFree=4192952/4192956
[pid=7540] ppid=7538 vsize=2820 CPUtime=0
/proc/7540/stat : 7540 (wbo) R 7538 7540 7137 0 -1 4194304 190 0 0 0 0 0 0 0 18 0 1 0 193627477 2887680 174 1992294400 134512640 135709839 4294956240 18446744073709551615 134542869 0 0 4096 3 0 0 0 17 0 0 0
/proc/7540/statm: 705 175 127 292 0 336 0

[startup+0.0484451 s]
/proc/loadavg: 1.00 1.00 0.92 3/64 7540
/proc/meminfo: memFree=1597000/2055920 swapFree=4192952/4192956
[pid=7540] ppid=7538 vsize=3224 CPUtime=0.04
/proc/7540/stat : 7540 (wbo) R 7538 7540 7137 0 -1 4194304 454 0 0 0 4 0 0 0 18 0 1 0 193627477 3301376 364 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/7540/statm: 806 364 133 292 0 511 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3224

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

[startup+0.0484451 s]
/proc/loadavg: 1.00 1.00 0.92 3/64 7540
/proc/meminfo: memFree=1597000/2055920 swapFree=4192952/4192956
[pid=7540] ppid=7538 vsize=3224 CPUtime=0.04
/proc/7540/stat : 7540 (wbo) R 7538 7540 7137 0 -1 4194304 454 0 0 0 4 0 0 0 18 0 1 0 193627477 3301376 364 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/7540/statm: 806 364 133 292 0 511 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3224

Child status: 0
Real time (s): 0.0893901
CPU time (s): 0.088986
CPU user time (s): 0.084987
CPU system time (s): 0.003999
CPU usage (%): 99.5479
Max. virtual memory (cumulated for all children) (KiB): 3224

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.084987
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 492
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 0.002999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node57 at 2009-06-17 19:38:37
IDJOB=1884761
IDBENCH=71989
IDSOLVER=698
FILE ID=node57/1884761-1245260317
PBS_JOBID= 9372399
Free space on /tmp= 66456 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB09/normalized-PB09/PURE-SAT/SAT09/CRAFTED/parity-games/instance_n4_i4_pp.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-1884761-1245260317/watcher-1884761-1245260317 -o /tmp/evaluation-result-1884761-1245260317/solver-1884761-1245260317 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1884761-1245260317.opb

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

MD5SUM BENCH= 055a8e9fd53dbcecebb693265eb8210c
RANDOM SEED=1018287406

node57.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		: 3000.263
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		: 3000.263
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:       1597480 kB
Buffers:         42212 kB
Cached:         324848 kB
SwapCached:          4 kB
Active:          53552 kB
Inactive:       326440 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1597480 kB
SwapTotal:     4192956 kB
SwapFree:      4192952 kB
Dirty:            2880 kB
Writeback:           0 kB
Mapped:          22712 kB
Slab:            64524 kB
Committed_AS:    93412 kB
PageTables:       1392 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-1884761-1245260317.opb

Free space on /tmp at the end= 66456 MiB
End job on node57 at 2009-06-17 19:38:38