Trace number 2669828

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 0.031994 0.031538

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 benchmark0.031994
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 

0.00/0.02	c PB-wave - v2
0.00/0.02	c command line = ./PB-wave
0.00/0.02	c seed = 11518845
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 1838 #con 1330
0.00/0.02	mode is SAT
0.00/0.02	c tail starts after flip = 5514
0.00/0.02	c numatom = 1838, numclause = 1330, numliterals = 25743
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
0.00/0.03	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-2669828-1276609803/watcher-2669828-1276609803 -o /tmp/evaluation-result-2669828-1276609803/solver-2669828-1276609803 -C 1800 -W 2000 -M 1800 run HOME/instance-2669828-1276609803.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 3/106 10100
/proc/meminfo: memFree=1836176/2059040 swapFree=4135684/4192956
[pid=10100] ppid=10098 vsize=8700 CPUtime=0
/proc/10100/stat : 10100 (run) R 10098 10100 9789 0 -1 4202496 343 0 0 0 0 0 0 0 24 0 1 0 36584260 8908800 243 1992294400 4194304 4922060 140734451298032 18446744073709551615 216120533397 0 65538 4100 65536 0 0 0 17 1 0 0 0
/proc/10100/statm: 2175 243 204 178 0 68 0

[startup+0.0260349 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 10100
/proc/meminfo: memFree=1836176/2059040 swapFree=4135684/4192956
[pid=10100] ppid=10098 vsize=8700 CPUtime=0
/proc/10100/stat : 10100 (run) S 10098 10100 9789 0 -1 4202496 359 0 0 0 0 0 0 0 24 0 1 0 36584260 8908800 243 1992294400 4194304 4922060 140734451298032 18446744073709551615 216120532101 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/10100/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+0.0260349 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 10100
/proc/meminfo: memFree=1836176/2059040 swapFree=4135684/4192956
[pid=10100] ppid=10098 vsize=8700 CPUtime=0
/proc/10100/stat : 10100 (run) S 10098 10100 9789 0 -1 4202496 359 0 0 0 0 0 0 0 24 0 1 0 36584260 8908800 243 1992294400 4194304 4922060 140734451298032 18446744073709551615 216120532101 0 65536 4100 65538 18446744071562232103 0 0 17 0 0 0 0
/proc/10100/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): 0.031538
CPU time (s): 0.031994
CPU user time (s): 0.027995
CPU system time (s): 0.003999
CPU usage (%): 101.446
Max. virtual memory (cumulated for all children) (KiB): 8700

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.027995
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= 1205
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= 2

runsolver used 0.002999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node002 at 2010-06-15 15:50:03
IDJOB=2669828
IDBENCH=1420
IDSOLVER=1171
FILE ID=node002/2669828-1276609803
PBS_JOBID= 11172283
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_35_sat_pb.cnf.cr.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669828-1276609803/watcher-2669828-1276609803 -o /tmp/evaluation-result-2669828-1276609803/solver-2669828-1276609803 -C 1800 -W 2000 -M 1800  run HOME/instance-2669828-1276609803.opb

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

MD5SUM BENCH= 23ed8dbd20669d86dd929140e0f9c164
RANDOM SEED=582943029

node002.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		: 3000.242
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	: 6000.48
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		: 3000.242
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	: 5599.36
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1836580 kB
Buffers:         27728 kB
Cached:         102872 kB
SwapCached:      10752 kB
Active:          81056 kB
Inactive:        62816 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1836580 kB
SwapTotal:     4192956 kB
SwapFree:      4135684 kB
Dirty:             892 kB
Writeback:           0 kB
AnonPages:       11512 kB
Mapped:           9304 kB
Slab:            56760 kB
PageTables:       4032 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180224 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 node002 at 2010-06-15 15:50:03