Trace number 365590

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
bsolo 3.0.16UNSAT 0.222965 0.224149

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-scfxm1.opb
MD5SUMb00fcca5c7683bc6e417430bf4fc75bf
Bench CategoryOPT-BIGINT (optimisation, big integers)
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 benchmark0.214966
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables13710
Total number of constraints327
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints327
Minimum length of a constraint30
Maximum length of a constraint1710
Number of terms in the objective function 690
Biggest coefficient in the objective function 5368709120
Number of bits for the biggest coefficient in the objective function 33
Sum of the numbers in the objective function 140660178813
Number of bits of the sum of numbers in the objective function 38
Biggest number in a constraint 53687091200000
Number of bits of the biggest number in a constraint 46
Biggest sum of numbers in a constraint 326830904793855
Number of bits of the biggest sum of numbers49
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 bsolo beta version 3.0.16 - 04/04/2007 : 1458 GMT
0.00/0.00	c Developed by Vasco Manquinho IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file /tmp/evaluation/365590-1177051275/instance-365590-1177051275.opb
0.00/0.00	c File size is 1084324 bytes.
0.00/0.00	c Coefficients are big enough for not using lower bounding.
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0.09/0.15	c Coefficients are big enough for not using lower bounding.
0.09/0.15	c Coefficients are big enough for not using lower bounding.
0.09/0.15	c Coefficients are big enough for not using lower bounding.
0.09/0.15	c Coefficients are big enough for not using lower bounding.
0.09/0.15	c Coefficients are big enough for not using lower bounding.
0.09/0.15	c Coefficients are big enough for not using lower bounding.
0.09/0.15	c Coefficients are big enough for not using lower bounding.
0.09/0.15	c Coefficients are big enough for not using lower bounding.
0.09/0.15	c Coefficients are big enough for not using lower bounding.
0.09/0.15	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Coefficients are big enough for not using lower bounding.
0.09/0.16	c Highest Coefficient sum: 3.26831e+14
0.09/0.16	c Parsing was ok!!
0.09/0.16	c Total parsing time: 0.165 s
0.09/0.17	c Var: 13710 Constr: 514 2/0/512 Lit: 111000 Watch. Lit: 26470
0.09/0.17	c Obj. Vars: 690 (5.03282 % of total variables)
0.19/0.22	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.19/0.22	c    0        0      0        0      514   111000      0      0 0.22
0.19/0.22	s UNSATISFIABLE
0.19/0.22	c Total time: 0.217 s

Verifier Data (download as text)

ERROR: no interpretation found !

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node67/watcher-365590-1177051275 -o ROOT/results/node67/solver-365590-1177051275 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/365590-1177051275/instance-365590-1177051275.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: 0.88 0.97 0.99 3/64 5515
/proc/meminfo: memFree=1731480/2055920 swapFree=4180708/4192956
[pid=5515] ppid=5513 vsize=12796 CPUtime=0
/proc/5515/stat : 5515 (bsolo3.0.16) R 5513 5515 3930 0 -1 4194304 366 0 0 0 0 0 0 0 18 0 1 0 181117023 13103104 334 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 7325307 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5515/statm: 3199 335 281 324 0 2003 0

[startup+0.0242369 s]
/proc/loadavg: 0.88 0.97 0.99 3/64 5515
/proc/meminfo: memFree=1731480/2055920 swapFree=4180708/4192956
[pid=5515] ppid=5513 vsize=13208 CPUtime=0.02
/proc/5515/stat : 5515 (bsolo3.0.16) R 5513 5515 3930 0 -1 4194304 486 0 0 0 2 0 0 0 18 0 1 0 181117023 13524992 454 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5515/statm: 3302 454 315 324 0 2106 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 13208

[startup+0.101233 s]
/proc/loadavg: 0.88 0.97 0.99 3/64 5515
/proc/meminfo: memFree=1731480/2055920 swapFree=4180708/4192956
[pid=5515] ppid=5513 vsize=6672 CPUtime=0.09
/proc/5515/stat : 5515 (bsolo3.0.16) R 5513 5515 3930 0 -1 4194304 926 0 0 0 9 0 0 0 18 0 1 0 181117023 6832128 894 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5515/statm: 1668 895 432 324 0 472 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6672

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

[startup+0.201254 s]
/proc/loadavg: 0.88 0.97 0.99 3/64 5515
/proc/meminfo: memFree=1731480/2055920 swapFree=4180708/4192956
[pid=5515] ppid=5513 vsize=8604 CPUtime=0.19
/proc/5515/stat : 5515 (bsolo3.0.16) R 5513 5515 3930 0 -1 4194304 1780 0 0 0 18 1 0 0 18 0 1 0 181117023 8810496 1483 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 7325307 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5515/statm: 2151 1483 306 324 0 1220 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 8604

Child status: 0
Real time (s): 0.224149
CPU time (s): 0.222965
CPU user time (s): 0.206968
CPU system time (s): 0.015997
CPU usage (%): 99.4718
Max. virtual memory (cumulated for all children) (KiB): 13208

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.206968
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1915
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= 12
involuntary context switches= 0

runsolver used 0.002999 second user time and 0.011998 second system time

The end

Launcher Data (download as text)

Begin job on node67 on Fri Apr 20 06:41:15 UTC 2007

IDJOB= 365590
IDBENCH= 2444
IDSOLVER= 163
FILE ID= node67/365590-1177051275

PBS_JOBID= 4640164

Free space on /tmp= 66451 MiB

SOLVER NAME= bsolo 3.0.16
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-scfxm1.opb
COMMAND LINE= bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/365590-1177051275/instance-365590-1177051275.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node67/watcher-365590-1177051275 -o ROOT/results/node67/solver-365590-1177051275 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/365590-1177051275/instance-365590-1177051275.opb            

META MD5SUM SOLVER= b11bf0769a124f73ad50b0fdfcd50482
MD5SUM BENCH=  b00fcca5c7683bc6e417430bf4fc75bf

RANDOM SEED= 846471885

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node67.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		: 3000.263
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		: 3000.263
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:       1731952 kB
Buffers:         40764 kB
Cached:         229476 kB
SwapCached:       5976 kB
Active:         120772 kB
Inactive:       162008 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1731952 kB
SwapTotal:     4192956 kB
SwapFree:      4180708 kB
Dirty:            5708 kB
Writeback:           0 kB
Mapped:          16080 kB
Slab:            27160 kB
Committed_AS:  1069140 kB
PageTables:       1452 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= 66451 MiB

End job on node67 on Fri Apr 20 06:41:15 UTC 2007