Trace number 458864

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 NameAnswerObjective functionCPU timeWall clock time
PBS4_v2 2007-03-23OPT1015 26.227 26.2357

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/primes-dimacs-cnf/normalized-par16-5.opb
MD5SUM75a2677621940e78209c6b1a1d09ddfe
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark1015
Best CPU time to get the best result obtained on this benchmark1.64375
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 1015
Optimality of the best value was proved YES
Number of variables2030
Total number of constraints4373
Number of constraints which are clauses4373
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint3
Number of terms in the objective function 2030
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 2030
Number of bits of the sum of numbers in the objective function 11
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 2030
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

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

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/458864-1178644670/instance-458864-1178644670.opb ......
5.29/5.36	c done parsing opb.
5.29/5.36	o 1015
26.18/26.23	o 1015
26.18/26.23	s OPTIMUM FOUND
26.18/26.23	c Total Run Time					26.155
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26.18/26.23	v x870 -x871 x872 -x873 x874 -x875 x876 -x877 x878 -x879 x88 x880 x881 -x882 -x883 x884 x885 -x886 x887 -x888 x889 -x89 -x890
26.18/26.23	v x891 -x892 x893 -x894 x895 -x896 x897 -x898 x899 x9 x90 -x900 x901 -x902 x903 -x904 x905 -x906 x907 -x908 -x909 -x91 x910 -x911
26.18/26.23	v x912 -x913 x914 -x915 x916 -x917 x918 x919 x92 -x920 x921 -x922 -x923 x924 -x925 x926 -x927 x928 -x929 x93 x930 -x931 x932 -x933
26.18/26.23	v x934 -x935 x936 x937 -x938 -x939 -x94 x940 -x941 x942 -x943 x944 -x945 x946 -x947 x948 -x949 -x95 x950 -x951 x952 x953 -x954
26.18/26.23	v x955 -x956 -x957 x958 -x959 x96 x960 -x961 x962 -x963 x964 -x965 x966 -x967 x968 -x969 -x97 x970 x971 -x972 -x973 x974 -x975
26.18/26.23	v x976 x977 -x978 -x979 x98 x980 -x981 x982 x983 -x984 -x985 x986 -x987 x988 -x989 -x99 x990 -x991 x992 -x993 x994 -x995 x996
26.18/26.23	v -x997 x998 -x999

Verifier Data (download as text)

OK	1015

Conversion Script Data (download as text)

/tmp/evaluation/458864-1178644670/instance-458864-1178644670.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node25/watcher-458864-1178644670 -o ROOT/results/node25/solver-458864-1178644670 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/458864-1178644670/instance-458864-1178644670.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: 0.94 0.98 0.99 3/64 13322
/proc/meminfo: memFree=1943240/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=1648 CPUtime=0
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 200 0 0 0 0 0 0 0 18 0 1 0 312384112 1687552 182 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134530463 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 412 182 84 219 0 189 0

[startup+0.103236 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 13322
/proc/meminfo: memFree=1943240/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=2032 CPUtime=0.1
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 341 0 0 0 10 0 0 0 18 0 1 0 312384112 2080768 318 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134546112 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 508 318 90 219 0 285 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2032

[startup+0.201253 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 13322
/proc/meminfo: memFree=1943240/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=2032 CPUtime=0.2
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 344 0 0 0 20 0 0 0 19 0 1 0 312384112 2080768 321 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134545659 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 508 321 90 219 0 285 0
Current children cumulated CPU time (s) 0.2
Current children cumulated vsize (KiB) 2032

[startup+0.301269 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 13322
/proc/meminfo: memFree=1943240/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=2032 CPUtime=0.3
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 348 0 0 0 30 0 0 0 19 0 1 0 312384112 2080768 325 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134546117 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 508 325 90 219 0 285 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 2032

[startup+0.701338 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 13322
/proc/meminfo: memFree=1943240/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=2032 CPUtime=0.7
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 362 0 0 0 70 0 0 0 23 0 1 0 312384112 2080768 339 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134588758 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 508 339 90 219 0 285 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 2032

[startup+1.50147 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 13323
/proc/meminfo: memFree=1942144/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=2288 CPUtime=1.49
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 397 0 0 0 149 0 0 0 25 0 1 0 312384112 2342912 374 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134546107 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 572 374 90 219 0 349 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2288

[startup+3.10175 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 13323
/proc/meminfo: memFree=1941760/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=2800 CPUtime=3.09
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 477 0 0 0 309 0 0 0 25 0 1 0 312384112 2867200 454 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134561592 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 700 454 90 219 0 477 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2800

[startup+6.3013 s]
/proc/loadavg: 0.95 0.98 0.99 2/65 13323
/proc/meminfo: memFree=1940992/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=3956 CPUtime=6.29
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 681 0 0 0 629 0 0 0 25 0 1 0 312384112 4050944 658 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134560667 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 989 658 102 219 0 766 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 3956

[startup+12.7014 s]
/proc/loadavg: 0.95 0.98 0.99 2/65 13323
/proc/meminfo: memFree=1939008/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=6592 CPUtime=12.69
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 1197 0 0 0 1268 1 0 0 25 0 1 0 312384112 6750208 1125 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134588758 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 1648 1125 102 219 0 1425 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 6592

[startup+25.5016 s]
/proc/loadavg: 0.96 0.98 0.99 2/65 13323
/proc/meminfo: memFree=1935104/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=11788 CPUtime=25.48
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 2240 0 0 0 2546 2 0 0 25 0 1 0 312384112 12070912 2071 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134544738 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 2947 2071 102 219 0 2724 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 11788

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

[startup+25.6016 s]
/proc/loadavg: 0.96 0.98 0.99 2/65 13323
/proc/meminfo: memFree=1935104/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=11788 CPUtime=25.58
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 2254 0 0 0 2556 2 0 0 25 0 1 0 312384112 12070912 2085 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134559164 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 2947 2085 102 219 0 2724 0
Current children cumulated CPU time (s) 25.58
Current children cumulated vsize (KiB) 11788

[startup+26.0017 s]
/proc/loadavg: 0.96 0.98 0.99 2/65 13323
/proc/meminfo: memFree=1935104/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=11788 CPUtime=25.98
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 2296 0 0 0 2596 2 0 0 25 0 1 0 312384112 12070912 2127 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 2947 2127 102 219 0 2724 0
Current children cumulated CPU time (s) 25.98
Current children cumulated vsize (KiB) 11788

[startup+26.2017 s]
/proc/loadavg: 0.96 0.98 0.99 2/65 13323
/proc/meminfo: memFree=1935104/2055920 swapFree=4183088/4192956
[pid=13322] ppid=13320 vsize=11788 CPUtime=26.18
/proc/13322/stat : 13322 (PBS4_SAT07v2) R 13320 13322 12560 0 -1 4194304 2313 0 0 0 2616 2 0 0 25 0 1 0 312384112 12070912 2144 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134545606 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13322/statm: 2947 2144 102 219 0 2724 0
Current children cumulated CPU time (s) 26.18
Current children cumulated vsize (KiB) 11788

Child status: 0
Real time (s): 26.2357
CPU time (s): 26.227
CPU user time (s): 26.2
CPU system time (s): 0.026995
CPU usage (%): 99.9667
Max. virtual memory (cumulated for all children) (KiB): 11788

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 26.2
system time used= 0.026995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2322
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= 49

runsolver used 0.020996 second user time and 0.056991 second system time

The end

Launcher Data (download as text)

Begin job on node25 on Tue May  8 17:17:50 UTC 2007

IDJOB= 458864
IDBENCH= 2113
IDSOLVER= 200
FILE ID= node25/458864-1178644670

PBS_JOBID= 5218336

Free space on /tmp= 66562 MiB

SOLVER NAME= PBS4_v2 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/primes-dimacs-cnf/normalized-par16-5.opb
COMMAND LINE= PBS4_SAT07v2 /tmp/evaluation/458864-1178644670/instance-458864-1178644670.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node25/convwatcher-458864-1178644670 -o ROOT/results/node25/conversion-458864-1178644670 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/458864-1178644670/instance-458864-1178644670.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node25/watcher-458864-1178644670 -o ROOT/results/node25/solver-458864-1178644670 -C 1800 -W 3600 -M 1800 --output-limit 1,15  PBS4_SAT07v2 /tmp/evaluation/458864-1178644670/instance-458864-1178644670.opb

META MD5SUM SOLVER= 18cd8c68a4d3bfb01f29079966475a33
MD5SUM BENCH=  75a2677621940e78209c6b1a1d09ddfe

RANDOM SEED= 857743197

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node25.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		: 3000.261
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		: 3000.261
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:       1943648 kB
Buffers:          3100 kB
Cached:          22064 kB
SwapCached:       3804 kB
Active:          25900 kB
Inactive:         8996 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1943648 kB
SwapTotal:     4192956 kB
SwapFree:      4183088 kB
Dirty:            2556 kB
Writeback:           0 kB
Mapped:          15848 kB
Slab:            63376 kB
Committed_AS:  8380964 kB
PageTables:       1472 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= 66562 MiB

End job on node25 on Tue May  8 17:18:17 UTC 2007