Trace number 360477

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
PBS4 2007-03-23SAT 3.54646 3.54973

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_1.opb.PB06.opb
MD5SUM285f81376739daaaae61d54cc606f233
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
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 benchmark1.9677
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1600
Total number of constraints328901
Number of constraints which are clauses327070
Number of constraints which are cardinality constraints (but not clauses)61
Number of constraints which are nor clauses,nor cardinality constraints1770
Minimum length of a constraint2
Maximum length of a constraint700
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 268
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 789
Number of bits of the biggest sum of numbers10
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)

0.00/0.00	c PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00/0.00	c Solving /tmp/evaluation/360477-1176970144/instance-360477-1176970144.opb ......
3.49/3.54	c done parsing opb.
3.49/3.54	s SATISFIABLE
3.49/3.54	c Total Run Time					0.048993
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Verifier Data (download as text)

OK	0

Conversion Script Data (download as text)

/tmp/evaluation/360477-1176970144/instance-360477-1176970144.opb is already a linear file

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node23/watcher-360477-1176970144 -o ROOT/results/node23/solver-360477-1176970144 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/360477-1176970144/PBS4 /tmp/evaluation/360477-1176970144/instance-360477-1176970144.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: 0.99 0.98 0.99 3/77 10704
/proc/meminfo: memFree=1666864/2055920 swapFree=4169120/4192956
[pid=10704] ppid=10702 vsize=1476 CPUtime=0
/proc/10704/stat : 10704 (PBS4) R 10702 10704 9683 0 -1 4194304 187 0 0 0 0 0 0 0 18 0 1 0 144931593 1511424 169 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135006597 0 0 4096 0 0 0 0 17 1 0 0
/proc/10704/statm: 369 169 87 219 0 146 0

[startup+0.025893 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 10704
/proc/meminfo: memFree=1666864/2055920 swapFree=4169120/4192956
[pid=10704] ppid=10702 vsize=1772 CPUtime=0.02
/proc/10704/stat : 10704 (PBS4) R 10702 10704 9683 0 -1 4194304 242 0 0 0 2 0 0 0 18 0 1 0 144931593 1814528 224 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 134596339 0 0 4096 0 0 0 0 17 1 0 0
/proc/10704/statm: 443 224 87 219 0 220 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 1772

[startup+0.101906 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 10704
/proc/meminfo: memFree=1666864/2055920 swapFree=4169120/4192956
[pid=10704] ppid=10702 vsize=2300 CPUtime=0.09
/proc/10704/stat : 10704 (PBS4) R 10702 10704 9683 0 -1 4194304 430 0 0 0 9 0 0 0 18 0 1 0 144931593 2355200 363 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135057389 0 0 4096 0 0 0 0 17 1 0 0
/proc/10704/statm: 575 363 89 219 0 352 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2300

[startup+0.301945 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 10704
/proc/meminfo: memFree=1666864/2055920 swapFree=4169120/4192956
[pid=10704] ppid=10702 vsize=3600 CPUtime=0.29
/proc/10704/stat : 10704 (PBS4) R 10702 10704 9683 0 -1 4194304 905 0 0 0 29 0 0 0 19 0 1 0 144931593 3686400 741 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 134590670 0 0 4096 0 0 0 0 17 1 0 0
/proc/10704/statm: 900 741 89 219 0 677 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3600

[startup+0.702022 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 10704
/proc/meminfo: memFree=1666864/2055920 swapFree=4169120/4192956
[pid=10704] ppid=10702 vsize=9372 CPUtime=0.69
/proc/10704/stat : 10704 (PBS4) R 10702 10704 9683 0 -1 4194304 2146 0 0 0 68 1 0 0 23 0 1 0 144931593 9596928 1404 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 134596339 0 0 4096 0 0 0 0 17 1 0 0
/proc/10704/statm: 2343 1404 89 219 0 2120 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9372

[startup+1.50218 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 10705
/proc/meminfo: memFree=1659304/2055920 swapFree=4169120/4192956
[pid=10704] ppid=10702 vsize=17332 CPUtime=1.49
/proc/10704/stat : 10704 (PBS4) R 10702 10704 9683 0 -1 4194304 4216 0 0 0 147 2 0 0 25 0 1 0 144931593 17747968 2705 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135057389 0 0 4096 0 0 0 0 17 1 0 0
/proc/10704/statm: 4333 2705 89 219 0 4110 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17332

[startup+3.10149 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 10705
/proc/meminfo: memFree=1651560/2055920 swapFree=4169120/4192956
[pid=10704] ppid=10702 vsize=33384 CPUtime=3.09
/proc/10704/stat : 10704 (PBS4) R 10702 10704 9683 0 -1 4194304 8405 0 0 0 304 5 0 0 25 0 1 0 144931593 34185216 5357 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 134591390 0 0 4096 0 0 0 0 17 1 0 0
/proc/10704/statm: 8346 5357 89 219 0 8123 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 33384

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

[startup+3.50156 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 10705
/proc/meminfo: memFree=1644776/2055920 swapFree=4169120/4192956
[pid=10704] ppid=10702 vsize=35228 CPUtime=3.49
/proc/10704/stat : 10704 (PBS4) R 10702 10704 9683 0 -1 4194304 9038 0 0 0 344 5 0 0 25 0 1 0 144931593 36073472 5990 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/10704/statm: 8807 5990 94 219 0 8584 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 35228

Child status: 0
Real time (s): 3.54973
CPU time (s): 3.54646
CPU user time (s): 3.47747
CPU system time (s): 0.068989
CPU usage (%): 99.9079
Max. virtual memory (cumulated for all children) (KiB): 35228

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.47747
system time used= 0.068989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9114
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= 8
involuntary context switches= 72

runsolver used 0.011998 second user time and 0.008998 second system time

The end

Launcher Data (download as text)

Begin job on node23 on Thu Apr 19 08:09:04 UTC 2007

IDJOB= 360477
IDBENCH= 1374
IDSOLVER= 157
FILE ID= node23/360477-1176970144

PBS_JOBID= 4630268

Free space on /tmp= 66444 MiB

SOLVER NAME= PBS4 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_1.opb.PB06.opb
COMMAND LINE= /tmp/evaluation/360477-1176970144/PBS4 /tmp/evaluation/360477-1176970144/instance-360477-1176970144.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node23/convwatcher-360477-1176970144 -o ROOT/results/node23/conversion-360477-1176970144 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/360477-1176970144/instance-360477-1176970144.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node23/watcher-360477-1176970144 -o ROOT/results/node23/solver-360477-1176970144 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/360477-1176970144/PBS4 /tmp/evaluation/360477-1176970144/instance-360477-1176970144.opb            

META MD5SUM SOLVER= b6c24e28fef9e1efa7891be58ea9e46f
MD5SUM BENCH=  285f81376739daaaae61d54cc606f233

RANDOM SEED= 727926952

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node23.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		: 3000.276
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		: 3000.276
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:       1667208 kB
Buffers:         44028 kB
Cached:         249316 kB
SwapCached:       2388 kB
Active:         130712 kB
Inactive:       185764 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1667208 kB
SwapTotal:     4192956 kB
SwapFree:      4169120 kB
Dirty:           12312 kB
Writeback:           0 kB
Mapped:          30440 kB
Slab:            57712 kB
Committed_AS:  2445672 kB
PageTables:       1800 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= 66444 MiB

End job on node23 on Thu Apr 19 08:09:08 UTC 2007