Trace number 2669800

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
PB-wave alpha 2SAT 0.029995 0.0295369

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
MD5SUMd807de21f10c00acae1479f7b1348df5
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 benchmark0.029995
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1733
Total number of constraints1256
Number of constraints which are clauses1188
Number of constraints which are cardinality constraints (but not clauses)68
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 

0.00/0.02	c PB-wave - v2
0.00/0.02	c command line = ./PB-wave
0.00/0.02	c seed = 31302577
0.00/0.02	c cutoff = 1000000
0.00/0.02	c tries = 1000000
0.00/0.02	c heuristic = c best, noise 50 / 100
0.00/0.02	#var 1733 #con 1256
0.00/0.02	mode is SAT
0.00/0.02	c tail starts after flip = 5199
0.00/0.02	c numatom = 1733, numclause = 1256, numliterals = 23117
0.00/0.02	c wff read in
0.00/0.02	c 
0.00/0.02	c     lowest     final       avg     noise     noise     total                 avg        mean        mean
0.00/0.02	c     #unsat    #unsat     noise   std dev     ratio     flips              length       flips       flips
0.00/0.02	c       this      this      this      this      this      this   success   success       until         std
0.00/0.02	c        try       try       try       try       try       try      rate     tries      assign         dev
0.00/0.02	c
0.00/0.02	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-2669800-1276609439/watcher-2669800-1276609439 -o /tmp/evaluation-result-2669800-1276609439/solver-2669800-1276609439 -C 1800 -W 2000 -M 1800 run HOME/instance-2669800-1276609439.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 1.01 1.00 3/106 3975
/proc/meminfo: memFree=1828192/2059040 swapFree=4136120/4192956
[pid=3975] ppid=3973 vsize=8700 CPUtime=0
/proc/3975/stat : 3975 (run) S 3973 3975 3591 0 -1 4202496 358 0 0 0 0 0 0 0 18 0 1 0 36545258 8908800 243 1992294400 4194304 4922060 140736133765936 18446744073709551615 255345663109 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/3975/statm: 2175 243 204 178 0 68 0

[startup+0.010092 s]
/proc/loadavg: 1.00 1.01 1.00 3/106 3975
/proc/meminfo: memFree=1828192/2059040 swapFree=4136120/4192956
[pid=3975] ppid=3973 vsize=8700 CPUtime=0
/proc/3975/stat : 3975 (run) S 3973 3975 3591 0 -1 4202496 358 0 0 0 0 0 0 0 18 0 1 0 36545258 8908800 243 1992294400 4194304 4922060 140736133765936 18446744073709551615 255345663109 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/3975/statm: 2175 243 204 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

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

[startup+0.010092 s]
/proc/loadavg: 1.00 1.01 1.00 3/106 3975
/proc/meminfo: memFree=1828192/2059040 swapFree=4136120/4192956
[pid=3975] ppid=3973 vsize=8700 CPUtime=0
/proc/3975/stat : 3975 (run) S 3973 3975 3591 0 -1 4202496 358 0 0 0 0 0 0 0 18 0 1 0 36545258 8908800 243 1992294400 4194304 4922060 140736133765936 18446744073709551615 255345663109 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/3975/statm: 2175 243 204 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

Child status: 0
Real time (s): 0.0295369
CPU time (s): 0.029995
CPU user time (s): 0.023996
CPU system time (s): 0.005999
CPU usage (%): 101.551
Max. virtual memory (cumulated for all children) (KiB): 8700

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.023996
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1195
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= 3
involuntary context switches= 3

runsolver used 0.001999 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node014 at 2010-06-15 15:43:59
IDJOB=2669800
IDBENCH=1392
IDSOLVER=1171
FILE ID=node014/2669800-1276609439
PBS_JOBID= 11172259
Free space on /tmp= 62572 MiB

SOLVER NAME= PB-wave alpha 2
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669800-1276609439/watcher-2669800-1276609439 -o /tmp/evaluation-result-2669800-1276609439/solver-2669800-1276609439 -C 1800 -W 2000 -M 1800  run HOME/instance-2669800-1276609439.opb

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

MD5SUM BENCH= d807de21f10c00acae1479f7b1348df5
RANDOM SEED=334574481

node014.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.258
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.51
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		: 3000.258
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1828712 kB
Buffers:         44444 kB
Cached:          98196 kB
SwapCached:      11120 kB
Active:          90044 kB
Inactive:        67200 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1828712 kB
SwapTotal:     4192956 kB
SwapFree:      4136120 kB
Dirty:             900 kB
Writeback:           0 kB
AnonPages:       12432 kB
Mapped:           9352 kB
Slab:            51412 kB
PageTables:       4016 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183984 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62572 MiB
End job on node014 at 2010-06-15 15:43:59