Trace number 3739264

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
PB07: bsolo 3.0.17Wrong Opt.1979542 0.037993 0.079859

General information on the benchmark

Name/OPT-BIGINT-LIN/leberre/opb-trendy/misc2010/
datasets/caixa/normalized-902.cudf.trendy.opb
MD5SUMa9c9b2085800f0b83290256d9e5af1c5
Bench CategoryOPT-BIGINT-LIN (optimisation, big integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark283030
Best CPU time to get the best result obtained on this benchmark0.206967
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables1181
Total number of constraints7237
Number of constraints which are clauses7237
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 constraint15
Number of terms in the objective function 748
Biggest coefficient in the objective function 141376
Number of bits for the biggest coefficient in the objective function 18
Sum of the numbers in the objective function 52874998
Number of bits of the sum of numbers in the objective function 26
Biggest number in a constraint 141376
Number of bits of the biggest number in a constraint 18
Biggest sum of numbers in a constraint 52874998
Number of bits of the biggest sum of numbers26
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 

0.00/0.04	c bsolo beta version 3.0.17 - 27/04/2007 : 1600 GMT
0.00/0.04	c Developed by Vasco Manquinho IST/UTL - INESC-ID
0.00/0.04	c type "bsolo -h" for help
0.00/0.04	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.04	c Memory Limit set to 15500 MB
0.00/0.04	c Instance file HOME/instance-3739264-1338746666.opb
0.00/0.04	c File size is 172484 bytes.
0.00/0.04	c Coefficients are big enough for not using lower bounding.
0.01/0.05	c Highest Coefficient sum: 5.2875e+07
0.01/0.05	c Parsing was ok!!
0.01/0.05	c Total parsing time: 0.014 s
0.01/0.05	c Var: 1181 Constr: 7237 7237/0/0 Lit: 15281 Watch. Lit: 14154
0.01/0.05	c Obj. Vars: 748 (63.3362 % of total variables)
0.01/0.07	c Formula reductions applied at preprocessing
0.01/0.07	c Pre-processing Time: 0.034 s
0.01/0.07	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.01/0.07	c        0    139      286      649    2      572      95      0      0 0.03
0.01/0.07	o 1979551	0.034
0.01/0.07	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.01/0.07	c        0    139      287      746    2      669     289      1      0 0.03
0.01/0.07	o 1979547	0.034
0.01/0.07	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.01/0.07	c        4    139      292      888    3      774     289      6    117 0.03
0.01/0.07	o 1979542	0.034
0.01/0.07	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.01/0.07	c        7    139      296      997    3      877     289     10    205 0.03
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0.01/0.07	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.01/0.07	c    3       15     14      323      304     1025     18    428 0.04
0.01/0.07	c Objective: 1979542
0.01/0.07	s OPTIMUM FOUND
0.01/0.07	c Total time: 0.035 s

Verifier Data 

OK	1979542

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3739264-1338746666/watcher-3739264-1338746666 -o /tmp/evaluation-result-3739264-1338746666/solver-3739264-1338746666 -C 1800 -W 1900 -M 15500 bsolo3.0.17 -m15500 HOME/instance-3739264-1338746666.opb 

running on 4 cores: 1,3,5,7

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): 1900 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.00 1.97 2.16 3/171 8377
/proc/meminfo: memFree=30526236/32873844 swapFree=7900/7900
[pid=8377] ppid=8375 vsize=2428 CPUtime=0 cores=1,3,5,7
/proc/8377/stat : 8377 (bsolo3.0.17) D 8375 8377 31325 0 -1 4194304 76 0 0 0 0 0 0 0 20 0 1 0 340791139 2486272 30 33554432000 134512640 135840783 4288420288 4288418280 1319159 0 0 4096 0 18446744071579943789 0 0 17 5 0 0 0 0 0
/proc/8377/statm: 607 30 24 325 0 25 0

[startup+0.055058 s]
/proc/loadavg: 2.00 1.97 2.16 3/171 8377
/proc/meminfo: memFree=30526236/32873844 swapFree=7900/7900
[pid=8377] ppid=8375 vsize=5284 CPUtime=0.01 cores=1,3,5,7
/proc/8377/stat : 8377 (bsolo3.0.17) R 8375 8377 31325 0 -1 4202496 620 0 3 0 1 0 0 0 20 0 1 0 340791139 5410816 559 33554432000 134512640 135840783 4288420288 4288419120 2647335 0 0 4096 16384 0 0 0 17 5 0 0 3 0 0
/proc/8377/statm: 1321 560 356 325 0 214 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 5284

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

[startup+0.055058 s]
/proc/loadavg: 2.00 1.97 2.16 3/171 8377
/proc/meminfo: memFree=30526236/32873844 swapFree=7900/7900
[pid=8377] ppid=8375 vsize=5284 CPUtime=0.01 cores=1,3,5,7
/proc/8377/stat : 8377 (bsolo3.0.17) R 8375 8377 31325 0 -1 4202496 620 0 3 0 1 0 0 0 20 0 1 0 340791139 5410816 559 33554432000 134512640 135840783 4288420288 4288419120 2647335 0 0 4096 16384 0 0 0 17 5 0 0 3 0 0
/proc/8377/statm: 1321 560 356 325 0 214 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 5284

Child status: 0
Real time (s): 0.079859
CPU time (s): 0.037993
CPU user time (s): 0.035994
CPU system time (s): 0.001999
CPU usage (%): 47.5751
Max. virtual memory (cumulated for all children) (KiB): 5284

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.035994
system time used= 0.001999
maximum resident set size= 2888
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 829
page faults= 3
swaps= 0
block input operations= 2384
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 20
involuntary context switches= 1

runsolver used 0.001999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node137 at 2012-06-03 20:04:26
IDJOB=3739264
IDBENCH=72418
IDSOLVER=2318
FILE ID=node137/3739264-1338746666
RUNJOBID= node137-1338746666-8359
PBS_JOBID= 14636756
Free space on /tmp= 70324 MiB

SOLVER NAME= PB07: bsolo 3.0.17
BENCH NAME= PB10/normalized-PB10/OPT-BIGINT-LIN/leberre/opb-trendy/misc2010/datasets/caixa/normalized-902.cudf.trendy.opb
COMMAND LINE= bsolo3.0.17 -mMEMLIMIT BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3739264-1338746666/watcher-3739264-1338746666 -o /tmp/evaluation-result-3739264-1338746666/solver-3739264-1338746666 -C 1800 -W 1900 -M 15500  bsolo3.0.17 -m15500 HOME/instance-3739264-1338746666.opb            

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= a9c9b2085800f0b83290256d9e5af1c5
RANDOM SEED=2132314147

node137.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5333.20
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
initial apicid	: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.92
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
initial apicid	: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
initial apicid	: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.90
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
initial apicid	: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
initial apicid	: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873844 kB
MemFree:        30531632 kB
Buffers:          272900 kB
Cached:          1237960 kB
SwapCached:         5796 kB
Active:           803444 kB
Inactive:         714520 kB
Active(anon):       2456 kB
Inactive(anon):     7172 kB
Active(file):     800988 kB
Inactive(file):   707348 kB
Unevictable:        7900 kB
Mlocked:            7900 kB
SwapTotal:      67108856 kB
SwapFree:       67097500 kB
Dirty:             12432 kB
Writeback:             0 kB
AnonPages:         10628 kB
Mapped:             8340 kB
Shmem:                 0 kB
Slab:             684248 kB
SReclaimable:     125388 kB
SUnreclaim:       558860 kB
KernelStack:        1376 kB
PageTables:         3924 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     104884 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7872 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 70308 MiB
End job on node137 at 2012-06-03 20:04:26