Trace number 4105918

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
Open-WBO PB16OPT12940 0.213966 0.21488

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/reduced/
submittedPB07/aksoy/trarea_ac/normalized-reduced-fir04_trarea_ac.opb
MD5SUM1312c6b0204e50ac57a7790cd1d32db9
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark12940
Best CPU time to get the best result obtained on this benchmark0.213966
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 12940
Optimality of the best value was proved YES
Number of variables1945
Total number of constraints3355
Number of constraints which are clauses3355
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 constraint55
Number of terms in the objective function 1036
Biggest coefficient in the objective function 650
Number of bits for the biggest coefficient in the objective function 10
Sum of the numbers in the objective function 524770
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 650
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 524770
Number of bits of the biggest sum of numbers20
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 

0.00/0.00	c
0.00/0.00	c Open-WBO:	 a Modular MaxSAT Solver -- based on Glucose4.0 (core version)
0.00/0.00	c Version:	 Pseudo-Boolean Evaluation 2016
0.00/0.00	c Authors:	 Ruben Martins, Vasco Manquinho, Ines Lynce
0.00/0.00	c Contributors:	 Miguel Neves, Saurabh Joshi, Mikolas Janota
0.00/0.00	c Contact:	 open-wbo@sat.inesc-id.pt -- http://sat.inesc-id.pt/open-wbo/
0.00/0.00	c
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Instance file HOME/instance-4105918-1466255794.opb
0.00/0.00	c File size is 104441 bytes.
0.19/0.21	c Sum of soft weights:       524770
0.19/0.21	c |                                                                                                       |
0.19/0.21	c ========================================[ Problem Statistics ]===========================================
0.19/0.21	c |                                                                                                       |
0.19/0.21	c |  Problem Type:             Weighted                                                                   |
0.19/0.21	c |  Number of variables:          1945                                                                   |
0.19/0.21	c |  Number of hard clauses:       3355                                                                   |
0.19/0.21	c |  Number of soft clauses:       1036                                                                   |
0.19/0.21	c |  Number of cardinality:           0                                                                   |
0.19/0.21	c |  Number of PB :                   0                                                                   |
0.19/0.21	c |  Parse time:                   0.01 s                                                                 |
0.19/0.21	c |                                                                                                       |
0.19/0.21	o 17334
0.19/0.21	o 17293
0.19/0.21	o 16895
0.19/0.21	o 15707
0.19/0.21	o 14947
0.19/0.21	o 14475
0.19/0.21	o 13914
0.19/0.21	o 13898
0.19/0.21	o 13754
0.19/0.21	o 13739
0.19/0.21	o 13666
0.19/0.21	o 13592
0.19/0.21	o 13502
0.19/0.21	o 13350
0.19/0.21	o 13268
0.19/0.21	o 13192
0.19/0.21	o 13126
0.19/0.21	o 13087
0.19/0.21	o 13030
0.19/0.21	o 13004
0.19/0.21	o 12992
0.19/0.21	o 12960
0.19/0.21	o 12940
0.19/0.21	s OPTIMUM FOUND
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Verifier Data 

OK	12940

Watcher Data 

runsolver Copyright (C) 2010-2013 Olivier ROUSSEL

This is runsolver version 3.3.7 (svn: 2553)

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-4105918-1466255794/watcher-4105918-1466255794 -o /tmp/evaluation-result-4105918-1466255794/solver-4105918-1466255794 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node104-1466240628-16938 --watchdog 1960 open-wbo HOME/instance-4105918-1466255794.opb 

pid=21283
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: 2.03 2.04 2.00 3/174 21286
/proc/meminfo: memFree=30122760/32872528 swapFree=447868/480572
[pid=21286] ppid=21283 vsize=2704 CPUtime=0 cores=1,3,5,7
/proc/21286/stat : 21286 (open-wbo) R 21283 21286 16921 0 -1 4202496 401 0 0 0 0 0 0 0 20 0 1 0 27629491 2768896 277 33554432000 4194304 6059633 140735074155952 140736890799208 5043132 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/21286/statm: 676 277 160 456 0 186 0

[startup+0.10011 s]
/proc/loadavg: 2.03 2.04 2.00 3/174 21286
/proc/meminfo: memFree=30122760/32872528 swapFree=447868/480572
[pid=21286] ppid=21283 vsize=9120 CPUtime=0.09 cores=1,3,5,7
/proc/21286/stat : 21286 (open-wbo) R 21283 21286 16921 0 -1 4202496 979 0 0 0 9 0 0 0 20 0 1 0 27629491 9338880 824 33554432000 4194304 6059633 140735074155952 140736890799208 5268791 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/21286/statm: 2280 824 169 456 0 1816 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9120

[startup+0.200281 s]
/proc/loadavg: 2.03 2.04 2.00 3/174 21286
/proc/meminfo: memFree=30122760/32872528 swapFree=447868/480572
[pid=21286] ppid=21283 vsize=9796 CPUtime=0.19 cores=1,3,5,7
/proc/21286/stat : 21286 (open-wbo) R 21283 21286 16921 0 -1 4202496 1142 0 0 0 19 0 0 0 20 0 1 0 27629491 10031104 982 33554432000 4194304 6059633 140735074155952 140736890799208 5268791 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/21286/statm: 2449 982 169 456 0 1985 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 9796

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 21286 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

Child status: 30
Real time (s): 0.21488
CPU time (s): 0.213966
CPU user time (s): 0.212967
CPU system time (s): 0.000999
CPU usage (%): 99.5746
Max. virtual memory (cumulated for all children) (KiB): 9796

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.212967
system time used= 0.000999
maximum resident set size= 6508
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1276
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= 3
involuntary context switches= 1

??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.001999 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node104 at 2016-06-18 15:16:34
IDJOB=4105918
IDBENCH=24958
IDSOLVER=2547
FILE ID=node104/4105918-1466255794
RUNJOBID= node104-1466240628-16938
PBS_JOBID= 19918194
Free space on /tmp= 71700 MiB

SOLVER NAME= Open-WBO PB16
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-LIN/reduced/submittedPB07/aksoy/trarea_ac/normalized-reduced-fir04_trarea_ac.opb
COMMAND LINE= open-wbo BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4105918-1466255794/watcher-4105918-1466255794 -o /tmp/evaluation-result-4105918-1466255794/solver-4105918-1466255794 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node104-1466240628-16938 --watchdog 1960  open-wbo HOME/instance-4105918-1466255794.opb

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

MD5SUM BENCH= 1312c6b0204e50ac57a7790cd1d32db9
RANDOM SEED=1465668194

node104.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		: 2667.035
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	: 5334.07
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		: 2667.035
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	: 5332.55
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		: 2667.035
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	: 5332.55
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		: 2667.035
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	: 5332.55
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		: 2667.035
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	: 5332.55
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		: 2667.035
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	: 5332.54
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		: 2667.035
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	: 5332.55
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		: 2667.035
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	: 5332.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32872528 kB
MemFree:        30123412 kB
Buffers:          128748 kB
Cached:           152940 kB
SwapCached:        40452 kB
Active:          1286140 kB
Inactive:         242168 kB
Active(anon):    1208984 kB
Inactive(anon):    39968 kB
Active(file):      77156 kB
Inactive(file):   202200 kB
Unevictable:      480572 kB
Mlocked:          447868 kB
SwapTotal:      67108856 kB
SwapFree:       67060428 kB
Dirty:              4684 kB
Writeback:             0 kB
AnonPages:       1688012 kB
Mapped:             7796 kB
Shmem:                 0 kB
Slab:             604680 kB
SReclaimable:      48676 kB
SUnreclaim:       556004 kB
KernelStack:        1424 kB
PageTables:         7116 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545120 kB
Committed_AS:    1835028 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346412 kB
VmallocChunk:   34341988032 kB
HardwareCorrupted:     0 kB
AnonHugePages:    239616 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7552 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 71696 MiB
End job on node104 at 2016-06-18 15:16:34