Trace number 4083927

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-LSU PB16OPT5 0.487925 0.488617

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-rd84.b.opb
MD5SUM6560abb26f607ef952ebe1a74dd5dae1
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark5
Best CPU time to get the best result obtained on this benchmark0.487925
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 5
Optimality of the best value was proved YES
Number of variables1009
Total number of constraints3773
Number of constraints which are clauses3773
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 constraint5
Maximum length of a constraint446
Number of terms in the objective function 1009
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 1009
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 1009
Number of bits of the biggest sum of numbers10
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 -- LSU
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-4083927-1465344667.opb
0.00/0.00	c File size is 2094194 bytes.
0.39/0.48	c Sum of soft weights:         1009
0.39/0.48	c |                                                                                                       |
0.39/0.48	c ========================================[ Problem Statistics ]===========================================
0.39/0.48	c |                                                                                                       |
0.39/0.48	c |  Problem Type:           Unweighted                                                                   |
0.39/0.48	c |  Number of variables:          1009                                                                   |
0.39/0.48	c |  Number of hard clauses:       3773                                                                   |
0.39/0.48	c |  Number of soft clauses:       1009                                                                   |
0.39/0.48	c |  Number of cardinality:           0                                                                   |
0.39/0.48	c |  Number of PB :                   0                                                                   |
0.39/0.48	c |  Parse time:                   0.22 s                                                                 |
0.39/0.48	c |                                                                                                       |
0.39/0.48	c ==========================================[ Solver Settings ]============================================
0.39/0.48	c |                                                                                                       |
0.39/0.48	c |  Algorithm:                LinearSU                                                                   |
0.39/0.48	c |  Cardinality Encoding:       Modulo Totalizer                                                         |
0.39/0.48	c |                                                                                                       |
0.39/0.48	o 9
0.39/0.48	o 8
0.39/0.48	o 7
0.39/0.48	o 6
0.39/0.48	o 5
0.39/0.48	s OPTIMUM FOUND
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Verifier Data

OK	5

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-4083927-1465344667/watcher-4083927-1465344667 -o /tmp/evaluation-result-4083927-1465344667/solver-4083927-1465344667 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node124-1465337038-20984 --watchdog 1960 open-wbo-lsu HOME/instance-4083927-1465344667.opb 

pid=23080
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: 2.25 2.23 2.19 3/176 23083
/proc/meminfo: memFree=29049500/32872528 swapFree=16700/1645768
[pid=23083] ppid=23080 vsize=4384 CPUtime=0 cores=1,3,5,7
/proc/23083/stat : 23083 (open-wbo-lsu) R 23080 23083 20967 0 -1 4202496 843 0 0 0 0 0 0 0 20 0 1 0 116400113 4489216 718 33554432000 4194304 6058637 140735459062000 140735354825496 4735336 0 0 4096 8404992 0 0 0 17 5 0 0 0 0 0
/proc/23083/statm: 1096 718 647 456 0 120 0

[startup+0.100159 s]
/proc/loadavg: 2.25 2.23 2.19 3/176 23083
/proc/meminfo: memFree=29049500/32872528 swapFree=16700/1645768
[pid=23083] ppid=23080 vsize=4904 CPUtime=0.09 cores=1,3,5,7
/proc/23083/stat : 23083 (open-wbo-lsu) R 23080 23083 20967 0 -1 4202496 969 0 0 0 9 0 0 0 20 0 1 0 116400113 5021696 844 33554432000 4194304 6058637 140735459062000 140735354825496 5042435 0 0 4096 8404992 0 0 0 17 5 0 0 0 0 0
/proc/23083/statm: 1226 844 647 456 0 250 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4904

[startup+0.200322 s]
/proc/loadavg: 2.25 2.23 2.19 3/176 23083
/proc/meminfo: memFree=29049500/32872528 swapFree=16700/1645768
[pid=23083] ppid=23080 vsize=5436 CPUtime=0.19 cores=1,3,5,7
/proc/23083/stat : 23083 (open-wbo-lsu) R 23080 23083 20967 0 -1 4202496 1099 0 0 0 19 0 0 0 20 0 1 0 116400113 5566464 974 33554432000 4194304 6058637 140735459062000 140735354825496 4677488 0 0 4096 8404992 0 0 0 17 5 0 0 0 0 0
/proc/23083/statm: 1359 974 647 456 0 383 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 5436

[startup+0.300315 s]
/proc/loadavg: 2.25 2.23 2.19 3/176 23083
/proc/meminfo: memFree=29049500/32872528 swapFree=16700/1645768
[pid=23083] ppid=23080 vsize=10356 CPUtime=0.29 cores=1,3,5,7
/proc/23083/stat : 23083 (open-wbo-lsu) R 23080 23083 20967 0 -1 4202496 1797 0 0 0 29 0 0 0 20 0 1 0 116400113 10604544 1655 33554432000 4194304 6058637 140735459062000 140735354825496 4255158 0 0 4096 8404992 0 0 0 17 5 0 0 0 0 0
/proc/23083/statm: 2589 1655 176 456 0 2125 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10356

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 23083 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.400338 s]
/proc/loadavg: 2.25 2.23 2.19 3/176 23083
/proc/meminfo: memFree=29049500/32872528 swapFree=16700/1645768
[pid=23083] ppid=23080 vsize=10620 CPUtime=0.39 cores=1,3,5,7
/proc/23083/stat : 23083 (open-wbo-lsu) R 23080 23083 20967 0 -1 4202496 1858 0 0 0 39 0 0 0 20 0 1 0 116400113 10874880 2227 33554432000 4194304 6058637 140735459062000 140735354825496 4278328 0 0 4096 8404992 0 0 0 17 5 0 0 0 0 0
/proc/23083/statm: 2655 2227 176 456 0 2191 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 10620

Child status: 30
Real time (s): 0.488617
CPU time (s): 0.487925
CPU user time (s): 0.481926
CPU system time (s): 0.005999
CPU usage (%): 99.8584
Max. virtual memory (cumulated for all children) (KiB): 10620

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.481926
system time used= 0.005999
maximum resident set size= 10952
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2397
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 0.002999 second user time and 0.004999 second system time

The end

Launcher Data

Begin job on node124 at 2016-06-08 02:11:07
IDJOB=4083927
IDBENCH=2838
IDSOLVER=2545
FILE ID=node124/4083927-1465344667
RUNJOBID= node124-1465337038-20984
PBS_JOBID= 19853397
Free space on /tmp= 71720 MiB

SOLVER NAME= Open-WBO-LSU PB16
BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-rd84.b.opb
COMMAND LINE= open-wbo-lsu BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4083927-1465344667/watcher-4083927-1465344667 -o /tmp/evaluation-result-4083927-1465344667/solver-4083927-1465344667 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node124-1465337038-20984 --watchdog 1960  open-wbo-lsu HOME/instance-4083927-1465344667.opb

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

MD5SUM BENCH= 6560abb26f607ef952ebe1a74dd5dae1
RANDOM SEED=1091633910

node124.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		: 2666.707
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	: 5333.41
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		: 2666.707
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		: 2666.707
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		: 2666.707
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		: 2666.707
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		: 2666.707
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	: 5332.55
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		: 2666.707
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		: 2666.707
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:        29049880 kB
Buffers:          166156 kB
Cached:           962124 kB
SwapCached:          824 kB
Active:           625156 kB
Inactive:         810288 kB
Active(anon):     308080 kB
Inactive(anon):     1264 kB
Active(file):     317076 kB
Inactive(file):   809024 kB
Unevictable:     1645768 kB
Mlocked:           16700 kB
SwapTotal:      67108856 kB
SwapFree:       67097728 kB
Dirty:              6720 kB
Writeback:             0 kB
AnonPages:       1952208 kB
Mapped:             7856 kB
Shmem:                 0 kB
Slab:             607516 kB
SReclaimable:      51160 kB
SUnreclaim:       556356 kB
KernelStack:        1424 kB
PageTables:         7804 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545120 kB
Committed_AS:    2127236 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346412 kB
VmallocChunk:   34341988032 kB
HardwareCorrupted:     0 kB
AnonHugePages:   1822720 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= 71716 MiB
End job on node124 at 2016-06-08 02:11:07