Trace number 364901

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
Pueblo 1.4OPT861 55.2326 55.2753

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/primes-dimacs-cnf/normalized-ii16c2.opb
MD5SUMcb4dc7ddfb50456685f1304551ada580
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark861
Best CPU time to get the best result obtained on this benchmark7.2049
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 861
Optimality of the best value was proved YES
Number of variables1848
Total number of constraints14727
Number of constraints which are clauses14727
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 constraint2
Maximum length of a constraint16
Number of terms in the objective function 1848
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 1848
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 1848
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 Pueblo version 1.4 (September 2005)
0.00/0.00	c Developed @ University of Michigan, Ann Arbor, MI
0.00/0.00	c  by Hossein Sheini
0.19/0.21	c starting to Solve
0.19/0.21	c #variables read: 1848 - #constraints read: 14728
0.19/0.25	o 861
55.15/55.27	c optimum objective found = 861
55.15/55.27	c total time              : 55.23 s
55.15/55.27	s OPTIMUM FOUND
55.15/55.27	v x1 -x2 x3 -x4 x5 -x6 x7 -x8 x9 -x10 -x11 x12 x13 -x14 x15 -x16 x17 -x18 x19 -x20 x21 -x22 x23 -x24 x25 -x26 x27 -x28 -x29 x30 x31 -x32
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55.15/55.27	v -x1834 -x1835 x1836 -x1837 x1838 -x1839 x1840 -x1841 x1842 x1843 -x1844 -x1845 x1846 -x1847 x1848

Verifier Data (download as text)

OK	861

Conversion Script Data (download as text)

/tmp/evaluation/364901-1177044575/instance-364901-1177044575.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/node7/watcher-364901-1177044575 -o ROOT/results/node7/solver-364901-1177044575 -C 1800 -W 3600 -M 1800 --output-limit 1,15 Pueblo /tmp/evaluation/364901-1177044575/instance-364901-1177044575.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: 1.00 1.00 1.00 3/77 30770
/proc/meminfo: memFree=1729776/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=2552 CPUtime=0
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 263 0 0 0 0 0 0 0 18 0 1 0 180495121 2613248 233 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 10851963 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 638 233 193 16 0 77 0

[startup+0.062215 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 30770
/proc/meminfo: memFree=1729776/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=3216 CPUtime=0.06
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 434 0 0 0 6 0 0 0 18 0 1 0 180495121 3293184 404 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 10882775 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 804 404 199 16 0 243 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 3216

[startup+0.102218 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 30770
/proc/meminfo: memFree=1729776/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=3748 CPUtime=0.1
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 585 0 0 0 10 0 0 0 18 0 1 0 180495121 3837952 555 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 937 555 199 16 0 376 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 3748

[startup+0.302239 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 30770
/proc/meminfo: memFree=1729776/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=5376 CPUtime=0.29
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 977 0 0 0 29 0 0 0 20 0 1 0 180495121 5505024 947 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134518957 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1344 947 205 16 0 783 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5376

[startup+0.701286 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 30770
/proc/meminfo: memFree=1729776/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=6192 CPUtime=0.69
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1188 0 0 0 69 0 0 0 23 0 1 0 180495121 6340608 1158 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527715 0 0 4096 0 0 0 0 17 1 0 0
/proc/30770/statm: 1548 1158 205 16 0 987 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6192

[startup+1.50136 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 30771
/proc/meminfo: memFree=1725864/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=6192 CPUtime=1.48
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1188 0 0 0 148 0 0 0 25 0 1 0 180495121 6340608 1158 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527762 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1548 1158 205 16 0 987 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 6192

[startup+3.10153 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 30771
/proc/meminfo: memFree=1725736/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=6192 CPUtime=3.08
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1188 0 0 0 308 0 0 0 25 0 1 0 180495121 6340608 1158 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134556221 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1548 1158 205 16 0 987 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 6192

[startup+6.30187 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 30771
/proc/meminfo: memFree=1725672/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=6192 CPUtime=6.28
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1191 0 0 0 628 0 0 0 25 0 1 0 180495121 6340608 1161 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527824 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1548 1161 205 16 0 987 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 6192

[startup+12.7015 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 30771
/proc/meminfo: memFree=1725544/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=6192 CPUtime=12.68
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1191 0 0 0 1268 0 0 0 25 0 1 0 180495121 6340608 1161 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527715 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1548 1161 205 16 0 987 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 6192

[startup+25.5019 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 30771
/proc/meminfo: memFree=1725544/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=6484 CPUtime=25.48
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1240 0 0 0 2547 1 0 0 25 0 1 0 180495121 6639616 1210 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527824 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1621 1210 205 16 0 1060 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 6484

[startup+51.1016 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 30771
/proc/meminfo: memFree=1724712/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=7592 CPUtime=51.05
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1445 0 0 0 5104 1 0 0 25 0 1 0 180495121 7774208 1415 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134556420 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1898 1415 205 16 0 1337 0
Current children cumulated CPU time (s) 51.05
Current children cumulated vsize (KiB) 7592

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

[startup+52.7017 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 30771
/proc/meminfo: memFree=1724648/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=7744 CPUtime=52.65
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1456 0 0 0 5264 1 0 0 25 0 1 0 180495121 7929856 1426 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527762 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1936 1426 205 16 0 1375 0
Current children cumulated CPU time (s) 52.65
Current children cumulated vsize (KiB) 7744

[startup+54.3019 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 30771
/proc/meminfo: memFree=1724648/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=7744 CPUtime=54.25
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1469 0 0 0 5424 1 0 0 25 0 1 0 180495121 7929856 1439 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527762 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1936 1439 205 16 0 1375 0
Current children cumulated CPU time (s) 54.25
Current children cumulated vsize (KiB) 7744

[startup+54.7019 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 30771
/proc/meminfo: memFree=1724648/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=7744 CPUtime=54.65
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1470 0 0 0 5464 1 0 0 25 0 1 0 180495121 7929856 1440 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527824 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1936 1440 205 16 0 1375 0
Current children cumulated CPU time (s) 54.65
Current children cumulated vsize (KiB) 7744

[startup+55.102 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 30771
/proc/meminfo: memFree=1724584/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=7744 CPUtime=55.05
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1473 0 0 0 5504 1 0 0 25 0 1 0 180495121 7929856 1443 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527767 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1936 1443 205 16 0 1375 0
Current children cumulated CPU time (s) 55.05
Current children cumulated vsize (KiB) 7744

[startup+55.202 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 30771
/proc/meminfo: memFree=1724584/2055920 swapFree=4159720/4192956
[pid=30770] ppid=30768 vsize=7744 CPUtime=55.15
/proc/30770/stat : 30770 (Pueblo) R 30768 30770 30333 0 -1 4194304 1473 0 0 0 5514 1 0 0 25 0 1 0 180495121 7929856 1443 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527724 0 0 4096 0 0 0 0 17 0 0 0
/proc/30770/statm: 1936 1443 205 16 0 1375 0
Current children cumulated CPU time (s) 55.15
Current children cumulated vsize (KiB) 7744

Child status: 30
Real time (s): 55.2753
CPU time (s): 55.2326
CPU user time (s): 55.2116
CPU system time (s): 0.020996
CPU usage (%): 99.9228
Max. virtual memory (cumulated for all children) (KiB): 7744

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 55.2116
system time used= 0.020996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1480
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= 16
involuntary context switches= 1448

runsolver used 0.047992 second user time and 0.159975 second system time

The end

Launcher Data (download as text)

Begin job on node7 on Fri Apr 20 04:49:35 UTC 2007

IDJOB= 364901
IDBENCH= 2168
IDSOLVER= 165
FILE ID= node7/364901-1177044575

PBS_JOBID= 4640152

Free space on /tmp= 66369 MiB

SOLVER NAME= Pueblo 1.4
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/primes-dimacs-cnf/normalized-ii16c2.opb
COMMAND LINE= Pueblo /tmp/evaluation/364901-1177044575/instance-364901-1177044575.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node7/convwatcher-364901-1177044575 -o ROOT/results/node7/conversion-364901-1177044575 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/364901-1177044575/instance-364901-1177044575.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node7/watcher-364901-1177044575 -o ROOT/results/node7/solver-364901-1177044575 -C 1800 -W 3600 -M 1800 --output-limit 1,15  Pueblo /tmp/evaluation/364901-1177044575/instance-364901-1177044575.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  cb4dc7ddfb50456685f1304551ada580

RANDOM SEED= 756777389

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node7.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		: 3000.231
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		: 3000.231
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:       1730184 kB
Buffers:         36488 kB
Cached:         223460 kB
SwapCached:      13276 kB
Active:          84580 kB
Inactive:       198908 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1730184 kB
SwapTotal:     4192956 kB
SwapFree:      4159720 kB
Dirty:            2788 kB
Writeback:           0 kB
Mapped:          30376 kB
Slab:            27712 kB
Committed_AS:  7987408 kB
PageTables:       1860 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= 66369 MiB

End job on node7 on Fri Apr 20 04:50:30 UTC 2007