Trace number 373289

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
minisat+ 1.14Signal 7.40887 7.45519

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/submittedPB07/
aksoy/area_opers/normalized-fir10_area_opers.opb
MD5SUMcca2bc3212eb56e1c6b2ae84ca292ee3
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark51
Best CPU time to get the best result obtained on this benchmark991.174
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 51
Optimality of the best value was proved YES
Number of variables79024
Total number of constraints176988
Number of constraints which are clauses176988
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 constraint511
Number of terms in the objective function 39323
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 39323
Number of bits of the sum of numbers in the objective function 16
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 39323
Number of bits of the biggest sum of numbers16
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 Parsing PB file...
5.69/5.79	c Converting 176985 PB-constraints to clauses...
5.79/5.83	c   -- Unit propagations: (none)
5.79/5.84	c   -- Detecting intervals from adjacent constraints: ###########
5.79/5.87	c   -- Clauses(.)/Splits(s): 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6.29/6.30	c ---[164438]---> BDD-cost:    1
6.29/6.30	c ---[159586]---> BDD-cost:    1
6.29/6.30	c ---[153454]---> BDD-cost:    1
6.29/6.30	c ---[149778]---> BDD-cost:    1
6.29/6.30	c ---[144001]---> BDD-cost:    1
6.29/6.30	c ---[141476]---> BDD-cost:    1
6.29/6.30	c ---[139650]---> BDD-cost:    1
6.29/6.30	c ---[138836]---> BDD-cost:    1
6.29/6.30	c ---[138483]---> BDD-cost:    1
6.29/6.30	c ---[138352]---> BDD-cost:    1
6.29/6.30	c ---[138319]---> BDD-cost:    1
6.29/6.33	c ==================================[MINISAT+]==================================
6.29/6.33	c | Conflicts | Original         | Learnt                           | Progress |
6.29/6.33	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
6.29/6.33	c ==============================================================================
6.29/6.33	c |         0 |  176985   453410 |   58995       0        0     nan |  0.000 % |
6.29/6.38	c ==============================================================================
6.29/6.38	c Found solution: 56
6.29/6.38	o 56
6.89/6.91	c ---[   0]--->

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/373289-1177176625/instance-373289-1177176625.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/node59/watcher-373289-1177176625 -o ROOT/results/node59/solver-373289-1177176625 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/373289-1177176625/minisat+ /tmp/evaluation/373289-1177176625/instance-373289-1177176625.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: 0.93 0.97 0.96 3/64 13694
/proc/meminfo: memFree=1700584/2055920 swapFree=4184568/4192956
[pid=13694] ppid=13692 vsize=1352 CPUtime=0
/proc/13694/stat : 13694 (minisat+) R 13692 13694 12896 0 -1 4194304 187 0 0 0 0 0 0 0 18 0 1 0 165572158 1384448 172 18446744073709551615 134512640 135395479 4294956640 18446744073709551615 135031278 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13694/statm: 338 172 67 215 0 120 0

[startup+0.0231999 s]
/proc/loadavg: 0.93 0.97 0.96 3/64 13694
/proc/meminfo: memFree=1700584/2055920 swapFree=4184568/4192956
[pid=13694] ppid=13692 vsize=2868 CPUtime=0.02
/proc/13694/stat : 13694 (minisat+) R 13692 13694 12896 0 -1 4194304 552 0 0 0 2 0 0 0 18 0 1 0 165572158 2936832 537 18446744073709551615 134512640 135395479 4294956640 18446744073709551615 135031278 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13694/statm: 717 537 67 215 0 499 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2868

[startup+0.101215 s]
/proc/loadavg: 0.93 0.97 0.96 3/64 13694
/proc/meminfo: memFree=1700584/2055920 swapFree=4184568/4192956
[pid=13694] ppid=13692 vsize=8280 CPUtime=0.09
/proc/13694/stat : 13694 (minisat+) R 13692 13694 12896 0 -1 4194304 2003 0 0 0 9 0 0 0 18 0 1 0 165572158 8478720 1860 18446744073709551615 134512640 135395479 4294956640 18446744073709551615 135005288 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13694/statm: 2070 1861 74 215 0 1852 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8280

[startup+0.301252 s]
/proc/loadavg: 0.93 0.97 0.96 3/64 13694
/proc/meminfo: memFree=1700584/2055920 swapFree=4184568/4192956
[pid=13694] ppid=13692 vsize=11272 CPUtime=0.29
/proc/13694/stat : 13694 (minisat+) R 13692 13694 12896 0 -1 4194304 2538 0 0 0 28 1 0 0 19 0 1 0 165572158 11542528 2312 18446744073709551615 134512640 135395479 4294956640 18446744073709551615 135031278 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13694/statm: 2818 2312 74 215 0 2600 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11272

[startup+0.701329 s]
/proc/loadavg: 0.93 0.97 0.96 3/64 13694
/proc/meminfo: memFree=1700584/2055920 swapFree=4184568/4192956
[pid=13694] ppid=13692 vsize=14524 CPUtime=0.69
/proc/13694/stat : 13694 (minisat+) R 13692 13694 12896 0 -1 4194304 3561 0 0 0 68 1 0 0 23 0 1 0 165572158 14872576 3335 18446744073709551615 134512640 135395479 4294956640 18446744073709551615 135031278 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13694/statm: 3631 3335 74 215 0 3413 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14524

[startup+1.50148 s]
/proc/loadavg: 0.93 0.97 0.96 2/65 13695
/proc/meminfo: memFree=1684064/2055920 swapFree=4184568/4192956
[pid=13694] ppid=13692 vsize=24048 CPUtime=1.49
/proc/13694/stat : 13694 (minisat+) R 13692 13694 12896 0 -1 4194304 5693 0 0 0 146 3 0 0 25 0 1 0 165572158 24625152 5467 18446744073709551615 134512640 135395479 4294956640 18446744073709551615 134618678 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13694/statm: 6012 5467 75 215 0 5794 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 24048

[startup+3.10179 s]
/proc/loadavg: 0.93 0.97 0.96 2/65 13695
/proc/meminfo: memFree=1673952/2055920 swapFree=4184568/4192956
[pid=13694] ppid=13692 vsize=36652 CPUtime=3.09
/proc/13694/stat : 13694 (minisat+) R 13692 13694 12896 0 -1 4194304 8870 0 0 0 304 5 0 0 25 0 1 0 165572158 37531648 8644 18446744073709551615 134512640 135395479 4294956640 18446744073709551615 135007481 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13694/statm: 9163 8644 75 215 0 8945 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 36652

[startup+6.30139 s]
/proc/loadavg: 0.94 0.97 0.96 2/65 13695
/proc/meminfo: memFree=1647776/2055920 swapFree=4184568/4192956
[pid=13694] ppid=13692 vsize=67952 CPUtime=6.29
/proc/13694/stat : 13694 (minisat+) R 13692 13694 12896 0 -1 4194304 17103 0 0 0 601 28 0 0 18 0 1 0 165572158 69582848 16413 18446744073709551615 134512640 135395479 4294956640 18446744073709551615 135031374 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13694/statm: 16988 16414 87 215 0 16770 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 67952

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

[startup+7.10155 s]
/proc/loadavg: 0.94 0.97 0.96 2/65 13695
/proc/meminfo: memFree=1632736/2055920 swapFree=4184568/4192956
[pid=13694] ppid=13692 vsize=81936 CPUtime=7.09
/proc/13694/stat : 13694 (minisat+) R 13692 13694 12896 0 -1 4195840 20824 0 0 0 679 30 0 0 23 0 1 0 165572158 83902464 19735 18446744073709551615 134512640 135395479 4294956640 18446744073709551615 135010327 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13694/statm: 20484 19735 104 215 0 20266 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 81936

[startup+7.30158 s]
/proc/loadavg: 0.94 0.97 0.96 2/65 13695
/proc/meminfo: memFree=1632736/2055920 swapFree=4184568/4192956
[pid=13694] ppid=13692 vsize=81936 CPUtime=7.29
/proc/13694/stat : 13694 (minisat+) R 13692 13694 12896 0 -1 4195840 20836 0 0 0 679 50 0 0 25 0 1 0 165572158 83902464 19735 18446744073709551615 134512640 135395479 4294956640 18446744073709551615 135010327 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13694/statm: 20484 19735 104 215 0 20266 0
Current children cumulated CPU time (s) 7.29
Current children cumulated vsize (KiB) 81936

[startup+7.4016 s]
/proc/loadavg: 0.94 0.97 0.96 2/65 13695
/proc/meminfo: memFree=1632736/2055920 swapFree=4184568/4192956
[pid=13694] ppid=13692 vsize=0 CPUtime=7.39
/proc/13694/stat : 13694 (minisat+) R 13692 13694 12896 0 -1 4195844 21458 0 0 0 679 60 0 0 25 0 1 0 165572158 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13694/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 7.39
Current children cumulated vsize (KiB) 0

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 7.45519
CPU time (s): 7.40887
CPU user time (s): 6.79297
CPU system time (s): 0.615906
CPU usage (%): 99.3787
Max. virtual memory (cumulated for all children) (KiB): 81936

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.79297
system time used= 0.615906
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 21458
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= 363
involuntary context switches= 17

runsolver used 0.133979 second user time and 0.311952 second system time

The end

Launcher Data (download as text)

Begin job on node59 on Sat Apr 21 17:30:25 UTC 2007

IDJOB= 373289
IDBENCH= 25033
IDSOLVER= 156
FILE ID= node59/373289-1177176625

PBS_JOBID= 4648987

Free space on /tmp= 66324 MiB

SOLVER NAME= minisat+ 1.14
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/area_opers/normalized-fir10_area_opers.opb
COMMAND LINE= /tmp/evaluation/373289-1177176625/minisat+ /tmp/evaluation/373289-1177176625/instance-373289-1177176625.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node59/convwatcher-373289-1177176625 -o ROOT/results/node59/conversion-373289-1177176625 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/373289-1177176625/instance-373289-1177176625.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node59/watcher-373289-1177176625 -o ROOT/results/node59/solver-373289-1177176625 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/373289-1177176625/minisat+ /tmp/evaluation/373289-1177176625/instance-373289-1177176625.opb            

META MD5SUM SOLVER= e46aded85e5f265b61da9cdcce06370e
MD5SUM BENCH=  cca2bc3212eb56e1c6b2ae84ca292ee3

RANDOM SEED= 413330593

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node59.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		: 3000.268
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		: 3000.268
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:       1700928 kB
Buffers:         29908 kB
Cached:         263652 kB
SwapCached:       2104 kB
Active:          76000 kB
Inactive:       227140 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1700928 kB
SwapTotal:     4192956 kB
SwapFree:      4184568 kB
Dirty:            8296 kB
Writeback:           0 kB
Mapped:          16324 kB
Slab:            37800 kB
Committed_AS:  2976336 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= 66247 MiB

End job on node59 on Sat Apr 21 17:30:33 UTC 2007