Trace number 358755

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 17.2094 17.2164

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110976157.opb
MD5SUM235312dfda333014b070014ae56a469d
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 benchmark0.015997
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 1294
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/358755-1176917374/instance-358755-1176917374.opb ......
17.18/17.21	c done parsing opb.
17.18/17.21	s UNSATISFIABLE
17.18/17.21	c Total Run Time					17.2034

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/358755-1176917374/instance-358755-1176917374.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/node54/watcher-358755-1176917374 -o ROOT/results/node54/solver-358755-1176917374 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/358755-1176917374/PBS4 /tmp/evaluation/358755-1176917374/instance-358755-1176917374.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: 0.84 0.91 0.94 3/66 18007
/proc/meminfo: memFree=1226048/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=1320 CPUtime=0
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 143 0 0 0 0 0 0 0 18 0 1 0 139111918 1351680 125 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 330 125 92 219 0 107 0

[startup+0.083797 s]
/proc/loadavg: 0.84 0.91 0.94 3/66 18007
/proc/meminfo: memFree=1226048/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=1452 CPUtime=0.08
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 195 0 0 0 8 0 0 0 18 0 1 0 139111918 1486848 177 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 363 177 92 219 0 140 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1452

[startup+0.101798 s]
/proc/loadavg: 0.84 0.91 0.94 3/66 18007
/proc/meminfo: memFree=1226048/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=1452 CPUtime=0.09
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 212 0 0 0 9 0 0 0 18 0 1 0 139111918 1486848 194 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 363 194 92 219 0 140 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1452

[startup+0.301824 s]
/proc/loadavg: 0.84 0.91 0.94 3/66 18007
/proc/meminfo: memFree=1226048/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=2392 CPUtime=0.29
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 320 0 0 0 29 0 0 0 19 0 1 0 139111918 2449408 302 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 598 302 93 219 0 375 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2392

[startup+0.701874 s]
/proc/loadavg: 0.84 0.91 0.94 3/66 18007
/proc/meminfo: memFree=1226048/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=3612 CPUtime=0.69
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 495 0 0 0 69 0 0 0 22 0 1 0 139111918 3698688 477 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 903 477 93 219 0 680 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3612

[startup+1.50198 s]
/proc/loadavg: 0.86 0.91 0.94 2/67 18008
/proc/meminfo: memFree=1224056/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=3948 CPUtime=1.49
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 827 0 0 0 148 1 0 0 25 0 1 0 139111918 4042752 760 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 987 760 94 219 0 764 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3948

[startup+3.10218 s]
/proc/loadavg: 0.86 0.91 0.94 2/67 18008
/proc/meminfo: memFree=1222328/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=6780 CPUtime=3.09
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 1289 0 0 0 307 2 0 0 25 0 1 0 139111918 6942720 1125 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134784767 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 1695 1125 94 219 0 1472 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6780

[startup+6.30159 s]
/proc/loadavg: 0.87 0.91 0.94 2/67 18008
/proc/meminfo: memFree=1220216/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=7472 CPUtime=6.29
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 1695 0 0 0 626 3 0 0 25 0 1 0 139111918 7651328 1531 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 1868 1531 94 219 0 1645 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7472

[startup+12.7014 s]
/proc/loadavg: 0.88 0.91 0.94 2/67 18008
/proc/meminfo: memFree=1217016/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=13252 CPUtime=12.68
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 2678 0 0 0 1263 5 0 0 25 0 1 0 139111918 13570048 2321 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134559742 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 3313 2321 94 219 0 3090 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 13252

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

[startup+14.3056 s]
/proc/loadavg: 0.88 0.91 0.94 2/67 18008
/proc/meminfo: memFree=1216568/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=13568 CPUtime=14.29
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 2759 0 0 0 1423 6 0 0 25 0 1 0 139111918 13893632 2402 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 3392 2402 94 219 0 3169 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 13568

[startup+15.9018 s]
/proc/loadavg: 0.89 0.91 0.94 2/67 18008
/proc/meminfo: memFree=1216440/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=13704 CPUtime=15.88
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 2807 0 0 0 1582 6 0 0 25 0 1 0 139111918 14032896 2450 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 3426 2450 94 219 0 3203 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 13704

[startup+16.7019 s]
/proc/loadavg: 0.89 0.91 0.94 2/67 18008
/proc/meminfo: memFree=1216312/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=13704 CPUtime=16.68
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 2830 0 0 0 1662 6 0 0 25 0 1 0 139111918 14032896 2473 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 3426 2473 94 219 0 3203 0
Current children cumulated CPU time (s) 16.68
Current children cumulated vsize (KiB) 13704

[startup+17.102 s]
/proc/loadavg: 0.89 0.91 0.94 2/67 18008
/proc/meminfo: memFree=1216312/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=13704 CPUtime=17.08
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 2909 0 0 0 1702 6 0 0 25 0 1 0 139111918 14032896 2552 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 3426 2552 94 219 0 3203 0
Current children cumulated CPU time (s) 17.08
Current children cumulated vsize (KiB) 13704

[startup+17.202 s]
/proc/loadavg: 0.89 0.91 0.94 2/67 18008
/proc/meminfo: memFree=1216312/2055920 swapFree=4181256/4192956
[pid=18007] ppid=18005 vsize=15240 CPUtime=17.18
/proc/18007/stat : 18007 (PBS4) R 18005 18007 17536 0 -1 4194304 3310 0 0 0 1712 6 0 0 25 0 1 0 139111918 15605760 2568 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134559787 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18007/statm: 3810 2568 94 219 0 3587 0
Current children cumulated CPU time (s) 17.18
Current children cumulated vsize (KiB) 15240

Child status: 0
Real time (s): 17.2164
CPU time (s): 17.2094
CPU user time (s): 17.1374
CPU system time (s): 0.071989
CPU usage (%): 99.9595
Max. virtual memory (cumulated for all children) (KiB): 15240

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.1374
system time used= 0.071989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3326
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= 52

runsolver used 0.013997 second user time and 0.052991 second system time

The end

Launcher Data (download as text)

Begin job on node54 on Wed Apr 18 17:29:34 UTC 2007

IDJOB= 358755
IDBENCH= 1237
IDSOLVER= 157
FILE ID= node54/358755-1176917374

PBS_JOBID= 4595265

Free space on /tmp= 66339 MiB

SOLVER NAME= PBS4 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110976157.opb
COMMAND LINE= /tmp/evaluation/358755-1176917374/PBS4 /tmp/evaluation/358755-1176917374/instance-358755-1176917374.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node54/convwatcher-358755-1176917374 -o ROOT/results/node54/conversion-358755-1176917374 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/358755-1176917374/instance-358755-1176917374.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node54/watcher-358755-1176917374 -o ROOT/results/node54/solver-358755-1176917374 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/358755-1176917374/PBS4 /tmp/evaluation/358755-1176917374/instance-358755-1176917374.opb            

META MD5SUM SOLVER= b6c24e28fef9e1efa7891be58ea9e46f
MD5SUM BENCH=  235312dfda333014b070014ae56a469d

RANDOM SEED= 506669138

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node54.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:       1226456 kB
Buffers:         33568 kB
Cached:         744288 kB
SwapCached:       5028 kB
Active:         246520 kB
Inactive:       542072 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1226456 kB
SwapTotal:     4192956 kB
SwapFree:      4181256 kB
Dirty:            1332 kB
Writeback:           0 kB
Mapped:          15504 kB
Slab:            26800 kB
Committed_AS:  2041772 kB
PageTables:       1412 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66339 MiB

End job on node54 on Wed Apr 18 17:29:52 UTC 2007