Trace number 4086546

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 PB16OPT120 0.632903 0.637165

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-lin.rom.r.opb
MD5SUM3183c84355c854880486b3d148840656
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark120
Best CPU time to get the best result obtained on this benchmark0.632903
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 120
Optimality of the best value was proved YES
Number of variables1076
Total number of constraints1030
Number of constraints which are clauses1030
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 constraint40
Number of terms in the objective function 1076
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 1076
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 1076
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

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-4086546-1465257119.opb
0.00/0.00	c File size is 95666 bytes.
0.59/0.63	c Sum of soft weights:         1076
0.59/0.63	c |                                                                                                       |
0.59/0.63	c ========================================[ Problem Statistics ]===========================================
0.59/0.63	c |                                                                                                       |
0.59/0.63	c |  Problem Type:           Unweighted                                                                   |
0.59/0.63	c |  Number of variables:          1076                                                                   |
0.59/0.63	c |  Number of hard clauses:       1030                                                                   |
0.59/0.63	c |  Number of soft clauses:       1076                                                                   |
0.59/0.63	c |  Number of cardinality:           0                                                                   |
0.59/0.63	c |  Number of PB :                   0                                                                   |
0.59/0.63	c |  Parse time:                   0.01 s                                                                 |
0.59/0.63	c |                                                                                                       |
0.59/0.63	o 177
0.59/0.63	o 120
0.59/0.63	s OPTIMUM FOUND
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Verifier Data

OK	120

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-4086546-1465257119/watcher-4086546-1465257119 -o /tmp/evaluation-result-4086546-1465257119/solver-4086546-1465257119 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node106-1465255309-7051 --watchdog 1960 open-wbo HOME/instance-4086546-1465257119.opb 

pid=7719
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: 1.96 2.04 1.95 3/176 7722
/proc/meminfo: memFree=31394976/32872528 swapFree=13600/559348
[pid=7722] ppid=7719 vsize=2432 CPUtime=0 cores=1,3,5,7
/proc/7722/stat : 7722 (open-wbo) R 7719 7722 7034 0 -1 4202496 355 0 0 0 0 0 0 0 20 0 1 0 107646882 2490368 230 33554432000 4194304 6059633 140733535006576 140735570177144 4214197 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/7722/statm: 608 230 158 456 0 120 0

[startup+0.100165 s]
/proc/loadavg: 1.96 2.04 1.95 3/176 7722
/proc/meminfo: memFree=31394976/32872528 swapFree=13600/559348
[pid=7722] ppid=7719 vsize=9168 CPUtime=0.09 cores=1,3,5,7
/proc/7722/stat : 7722 (open-wbo) R 7719 7722 7034 0 -1 4202496 991 0 0 0 9 0 0 0 20 0 1 0 107646882 9388032 835 33554432000 4194304 6059633 140733535006576 140735570177144 5044382 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/7722/statm: 2292 835 184 456 0 1828 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9168

[startup+0.200355 s]
/proc/loadavg: 1.96 2.04 1.95 3/176 7722
/proc/meminfo: memFree=31394976/32872528 swapFree=13600/559348
[pid=7722] ppid=7719 vsize=5720 CPUtime=0.19 cores=1,3,5,7
/proc/7722/stat : 7722 (open-wbo) R 7719 7722 7034 0 -1 4202496 1224 0 0 0 19 0 0 0 20 0 1 0 107646882 5857280 955 33554432000 4194304 6059633 140733535006576 140735570177144 4277549 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/7722/statm: 1430 955 186 456 0 966 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 5720

[startup+0.300272 s]
/proc/loadavg: 1.96 2.04 1.95 3/176 7722
/proc/meminfo: memFree=31394976/32872528 swapFree=13600/559348
[pid=7722] ppid=7719 vsize=5720 CPUtime=0.29 cores=1,3,5,7
/proc/7722/stat : 7722 (open-wbo) R 7719 7722 7034 0 -1 4202496 1300 0 0 0 29 0 0 0 20 0 1 0 107646882 5857280 1029 33554432000 4194304 6059633 140733535006576 140735570177144 4277765 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/7722/statm: 1430 1029 186 456 0 966 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5720

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 7722 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.400328 s]
/proc/loadavg: 1.96 2.04 1.95 3/176 7722
/proc/meminfo: memFree=31394976/32872528 swapFree=13600/559348
[pid=7722] ppid=7719 vsize=5468 CPUtime=0.39 cores=1,3,5,7
/proc/7722/stat : 7722 (open-wbo) R 7719 7722 7034 0 -1 4202496 1496 0 0 0 39 0 0 0 20 0 1 0 107646882 5599232 949 33554432000 4194304 6059633 140733535006576 140735570177144 5043379 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/7722/statm: 1367 949 186 456 0 903 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 5468

[startup+0.600232 s]
/proc/loadavg: 1.96 2.04 1.95 3/176 7722
/proc/meminfo: memFree=31394976/32872528 swapFree=13600/559348
[pid=7722] ppid=7719 vsize=6508 CPUtime=0.59 cores=1,3,5,7
/proc/7722/stat : 7722 (open-wbo) R 7719 7722 7034 0 -1 4202496 1768 0 0 0 59 0 0 0 20 0 1 0 107646882 6664192 1216 33554432000 4194304 6059633 140733535006576 140735570177144 4278312 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/7722/statm: 1627 1216 186 456 0 1163 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 6508

Child status: 30
Real time (s): 0.637165
CPU time (s): 0.632903
CPU user time (s): 0.629904
CPU system time (s): 0.002999
CPU usage (%): 99.3311
Max. virtual memory (cumulated for all children) (KiB): 9168

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.629904
system time used= 0.002999
maximum resident set size= 4952
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1792
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= 2

??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.002999 second user time and 0.005999 second system time

The end

Launcher Data

Begin job on node106 at 2016-06-07 01:51:59
IDJOB=4086546
IDBENCH=2871
IDSOLVER=2547
FILE ID=node106/4086546-1465257119
RUNJOBID= node106-1465255309-7051
PBS_JOBID= 19843276
Free space on /tmp= 71736 MiB

SOLVER NAME= Open-WBO PB16
BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-lin.rom.r.opb
COMMAND LINE= open-wbo BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4086546-1465257119/watcher-4086546-1465257119 -o /tmp/evaluation-result-4086546-1465257119/solver-4086546-1465257119 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node106-1465255309-7051 --watchdog 1960  open-wbo HOME/instance-4086546-1465257119.opb

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

MD5SUM BENCH= 3183c84355c854880486b3d148840656
RANDOM SEED=1323706551

node106.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		: 2666.775
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	: 5333.55
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		: 2666.775
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		: 2666.775
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	: 5332.56
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		: 2666.775
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		: 2666.775
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	: 5332.64
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		: 2666.775
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	: 5332.56
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		: 2666.775
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		: 2666.775
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:        31395768 kB
Buffers:           64708 kB
Cached:           136896 kB
SwapCached:         1844 kB
Active:            79176 kB
Inactive:         135576 kB
Active(anon):      14200 kB
Inactive(anon):     1280 kB
Active(file):      64976 kB
Inactive(file):   134296 kB
Unevictable:      559348 kB
Mlocked:           13600 kB
SwapTotal:      67108856 kB
SwapFree:       67098536 kB
Dirty:              9824 kB
Writeback:             0 kB
AnonPages:        571968 kB
Mapped:             7812 kB
Shmem:                 0 kB
Slab:             570956 kB
SReclaimable:      13848 kB
SUnreclaim:       557108 kB
KernelStack:        1424 kB
PageTables:         5160 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545120 kB
Committed_AS:     688228 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346412 kB
VmallocChunk:   34341988032 kB
HardwareCorrupted:     0 kB
AnonHugePages:    546816 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= 71732 MiB
End job on node106 at 2016-06-07 01:52:00