Trace number 359063

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 2007-03-23UNSAT 30.7913 30.8024

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111218757.opb
MD5SUMd6496b44145c310b75c0b7261c5aa1e2
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 benchmark0.037993
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
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 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1266
Number of bits of the biggest sum of numbers11
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/359063-1176920298/instance-359063-1176920298.opb ......
30.68/30.79	c done parsing opb.
30.68/30.79	s UNSATISFIABLE
30.68/30.79	c Total Run Time					30.7843

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/359063-1176920298/instance-359063-1176920298.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/node18/watcher-359063-1176920298 -o ROOT/results/node18/solver-359063-1176920298 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/359063-1176920298/PBS4 /tmp/evaluation/359063-1176920298/instance-359063-1176920298.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: 0.82 0.94 0.98 3/77 7005
/proc/meminfo: memFree=1341368/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=1320 CPUtime=0
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 144 0 0 0 0 0 0 0 18 0 1 0 139947188 1351680 126 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134590670 0 0 4096 16384 0 0 0 17 0 0 0
/proc/7005/statm: 330 126 92 219 0 107 0

[startup+0.0851231 s]
/proc/loadavg: 0.82 0.94 0.98 3/77 7005
/proc/meminfo: memFree=1341368/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=1452 CPUtime=0.08
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 209 0 0 0 8 0 0 0 18 0 1 0 139947188 1486848 191 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 0 0 0
/proc/7005/statm: 363 191 92 219 0 140 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1452

[startup+0.101125 s]
/proc/loadavg: 0.82 0.94 0.98 3/77 7005
/proc/meminfo: memFree=1341368/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=1452 CPUtime=0.09
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 219 0 0 0 9 0 0 0 18 0 1 0 139947188 1486848 201 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 0 0 0
/proc/7005/statm: 363 201 92 219 0 140 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1452

[startup+0.301144 s]
/proc/loadavg: 0.82 0.94 0.98 3/77 7005
/proc/meminfo: memFree=1341368/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=2404 CPUtime=0.29
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 359 0 0 0 29 0 0 0 19 0 1 0 139947188 2461696 341 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 0 0 0
/proc/7005/statm: 601 341 93 219 0 378 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2404

[startup+0.701184 s]
/proc/loadavg: 0.82 0.94 0.98 3/77 7005
/proc/meminfo: memFree=1341368/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=3624 CPUtime=0.69
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 555 0 0 0 69 0 0 0 23 0 1 0 139947188 3710976 537 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 0 0 0
/proc/7005/statm: 906 537 93 219 0 683 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3624

[startup+1.50126 s]
/proc/loadavg: 0.82 0.94 0.98 2/78 7006
/proc/meminfo: memFree=1339120/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=5996 CPUtime=1.49
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 909 0 0 0 148 1 0 0 25 0 1 0 139947188 6139904 842 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547300 0 0 4096 16384 0 0 0 17 0 0 0
/proc/7005/statm: 1499 842 94 219 0 1276 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5996

[startup+3.10142 s]
/proc/loadavg: 0.82 0.94 0.98 2/78 7006
/proc/meminfo: memFree=1337456/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=6776 CPUtime=3.09
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 1433 0 0 0 308 1 0 0 25 0 1 0 139947188 6938624 1269 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134559864 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7005/statm: 1694 1269 94 219 0 1471 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6776

[startup+6.30253 s]
/proc/loadavg: 0.84 0.94 0.98 2/78 7006
/proc/meminfo: memFree=1334960/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=11408 CPUtime=6.29
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 1903 0 0 0 626 3 0 0 25 0 1 0 139947188 11681792 1739 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7005/statm: 2852 1739 94 219 0 2629 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11408

[startup+12.7011 s]
/proc/loadavg: 0.85 0.94 0.98 2/78 7006
/proc/meminfo: memFree=1330352/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=13292 CPUtime=12.69
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 3161 0 0 0 1263 6 0 0 25 0 1 0 139947188 13611008 2804 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7005/statm: 3323 2804 94 219 0 3100 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 13292

[startup+25.5014 s]
/proc/loadavg: 0.88 0.94 0.98 2/78 7006
/proc/meminfo: memFree=1328048/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=16468 CPUtime=25.48
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 4129 0 0 0 2538 10 0 0 25 0 1 0 139947188 16863232 3387 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547300 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7005/statm: 4117 3387 94 219 0 3894 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 16468

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

[startup+28.7017 s]
/proc/loadavg: 0.88 0.94 0.98 2/78 7006
/proc/meminfo: memFree=1327600/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=16752 CPUtime=28.68
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 4245 0 0 0 2856 12 0 0 25 0 1 0 139947188 17154048 3503 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7005/statm: 4188 3503 94 219 0 3965 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 16752

[startup+29.5018 s]
/proc/loadavg: 0.88 0.94 0.98 2/78 7006
/proc/meminfo: memFree=1327600/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=16884 CPUtime=29.48
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 4278 0 0 0 2936 12 0 0 25 0 1 0 139947188 17289216 3536 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7005/statm: 4221 3536 94 219 0 3998 0
Current children cumulated CPU time (s) 29.48
Current children cumulated vsize (KiB) 16884

[startup+30.3018 s]
/proc/loadavg: 0.88 0.94 0.98 2/78 7006
/proc/meminfo: memFree=1327472/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=16884 CPUtime=30.28
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 4290 0 0 0 3016 12 0 0 25 0 1 0 139947188 17289216 3548 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7005/statm: 4221 3548 94 219 0 3998 0
Current children cumulated CPU time (s) 30.28
Current children cumulated vsize (KiB) 16884

[startup+30.7019 s]
/proc/loadavg: 0.89 0.94 0.98 2/78 7006
/proc/meminfo: memFree=1327408/2055920 swapFree=4142948/4192956
[pid=7005] ppid=7003 vsize=16884 CPUtime=30.68
/proc/7005/stat : 7005 (PBS4) R 7003 7005 5281 0 -1 4194304 4295 0 0 0 3056 12 0 0 25 0 1 0 139947188 17289216 3553 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547207 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7005/statm: 4221 3553 94 219 0 3998 0
Current children cumulated CPU time (s) 30.68
Current children cumulated vsize (KiB) 16884

Child status: 0
Real time (s): 30.8024
CPU time (s): 30.7913
CPU user time (s): 30.6623
CPU system time (s): 0.12898
CPU usage (%): 99.964
Max. virtual memory (cumulated for all children) (KiB): 16884

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.6623
system time used= 0.12898
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4311
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= 608

runsolver used 0.031995 second user time and 0.089986 second system time

The end

Launcher Data (download as text)

Begin job on node18 on Wed Apr 18 18:18:18 UTC 2007

IDJOB= 359063
IDBENCH= 1259
IDSOLVER= 157
FILE ID= node18/359063-1176920298

PBS_JOBID= 4595244

Free space on /tmp= 66484 MiB

SOLVER NAME= PBS4 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111218757.opb
COMMAND LINE= /tmp/evaluation/359063-1176920298/PBS4 /tmp/evaluation/359063-1176920298/instance-359063-1176920298.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node18/convwatcher-359063-1176920298 -o ROOT/results/node18/conversion-359063-1176920298 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/359063-1176920298/instance-359063-1176920298.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node18/watcher-359063-1176920298 -o ROOT/results/node18/solver-359063-1176920298 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/359063-1176920298/PBS4 /tmp/evaluation/359063-1176920298/instance-359063-1176920298.opb            

META MD5SUM SOLVER= b6c24e28fef9e1efa7891be58ea9e46f
MD5SUM BENCH=  d6496b44145c310b75c0b7261c5aa1e2

RANDOM SEED= 753724834

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node18.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		: 3000.234
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		: 3000.234
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:       1341840 kB
Buffers:         45236 kB
Cached:         576140 kB
SwapCached:      18436 kB
Active:         183064 kB
Inactive:       465928 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1341840 kB
SwapTotal:     4192956 kB
SwapFree:      4142948 kB
Dirty:            1308 kB
Writeback:           0 kB
Mapped:          30344 kB
Slab:            50680 kB
Committed_AS:  4368472 kB
PageTables:       1776 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= 66484 MiB

End job on node18 on Wed Apr 18 18:18:49 UTC 2007