Trace number 4086112

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 NameAnswerCPU timeWall clock time
Open-WBO PB16SAT 0.163974 0.169215

General information on the benchmark

Name/DEC-SMALLINT-LIN/oliveras/j30/
normalized-j309_6-sat.opb
MD5SUMbf5c068ebfa785f94ff2bc7c10771ebf
Bench CategoryDEC-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.071988
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables3720
Total number of constraints11555
Number of constraints which are clauses11319
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints236
Minimum length of a constraint1
Maximum length of a constraint25
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 15
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 152
Number of bits of the biggest sum of numbers8
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

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-4086112-1465263161.opb
0.00/0.00	c File size is 339472 bytes.
0.08/0.16	c Sum of soft weights:            0
0.08/0.16	c |                                                                                                       |
0.08/0.16	c ========================================[ Problem Statistics ]===========================================
0.08/0.16	c |                                                                                                       |
0.08/0.16	c |  Problem Type:           Unweighted                                                                   |
0.08/0.16	c |  Number of variables:          3720                                                                   |
0.08/0.16	c |  Number of hard clauses:      11319                                                                   |
0.08/0.16	c |  Number of soft clauses:          0                                                                   |
0.08/0.16	c |  Number of cardinality:           0                                                                   |
0.08/0.16	c |  Number of PB :                 236                                                                   |
0.08/0.16	c |  Parse time:                   0.04 s                                                                 |
0.08/0.16	c |                                                                                                       |
0.08/0.16	s SATISFIABLE
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Verifier Data 

OK	0

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-4086112-1465263161/watcher-4086112-1465263161 -o /tmp/evaluation-result-4086112-1465263161/solver-4086112-1465263161 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node116-1465242130-5024 --watchdog 1960 open-wbo HOME/instance-4086112-1465263161.opb 

pid=9780
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: 1.95 2.19 2.18 3/176 9783
/proc/meminfo: memFree=29842648/32872528 swapFree=14448/1543360
[pid=9783] ppid=9780 vsize=2668 CPUtime=0 cores=1,3,5,7
/proc/9783/stat : 9783 (open-wbo) R 9780 9783 5007 0 -1 4202496 395 0 0 0 0 0 0 0 20 0 1 0 108249691 2732032 270 33554432000 4194304 6059633 140733637967872 140736438644936 5043379 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/9783/statm: 667 270 217 456 0 120 0

[startup+0.100192 s]
/proc/loadavg: 1.95 2.19 2.18 3/176 9783
/proc/meminfo: memFree=29842648/32872528 swapFree=14448/1543360
[pid=9783] ppid=9780 vsize=17696 CPUtime=0.08 cores=1,3,5,7
/proc/9783/stat : 9783 (open-wbo) R 9780 9783 5007 0 -1 4202496 3490 0 0 0 8 0 0 0 20 0 1 0 108249691 18120704 3680 33554432000 4194304 6059633 140733637967872 140736438644936 4277710 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/9783/statm: 4424 3680 168 456 0 3960 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 17696

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 9783 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.100192 s]
/proc/loadavg: 1.95 2.19 2.18 3/176 9783
/proc/meminfo: memFree=29842648/32872528 swapFree=14448/1543360
[pid=9783] ppid=9780 vsize=17696 CPUtime=0.08 cores=1,3,5,7
/proc/9783/stat : 9783 (open-wbo) R 9780 9783 5007 0 -1 4202496 3490 0 0 0 8 0 0 0 20 0 1 0 108249691 18120704 3680 33554432000 4194304 6059633 140733637967872 140736438644936 4277710 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/9783/statm: 4424 3680 168 456 0 3960 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 17696

Child status: 10
Real time (s): 0.169215
CPU time (s): 0.163974
CPU user time (s): 0.155976
CPU system time (s): 0.007998
CPU usage (%): 96.9028
Max. virtual memory (cumulated for all children) (KiB): 17696

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.155976
system time used= 0.007998
maximum resident set size= 14948
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3547
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 0.004999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node116 at 2016-06-07 03:32:41
IDJOB=4086112
IDBENCH=73217
IDSOLVER=2547
FILE ID=node116/4086112-1465263161
RUNJOBID= node116-1465242130-5024
PBS_JOBID= 19843247
Free space on /tmp= 71728 MiB

SOLVER NAME= Open-WBO PB16
BENCH NAME= PB10/normalized-PB10/DEC-SMALLINT-LIN/oliveras/j30/normalized-j309_6-sat.opb
COMMAND LINE= open-wbo BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4086112-1465263161/watcher-4086112-1465263161 -o /tmp/evaluation-result-4086112-1465263161/solver-4086112-1465263161 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node116-1465242130-5024 --watchdog 1960  open-wbo HOME/instance-4086112-1465263161.opb

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

MD5SUM BENCH= bf5c068ebfa785f94ff2bc7c10771ebf
RANDOM SEED=540256014

node116.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		: 2667.134
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	: 5334.26
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		: 2667.134
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		: 2667.134
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		: 2667.134
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		: 2667.134
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		: 2667.134
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		: 2667.134
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		: 2667.134
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:        29843160 kB
Buffers:          103068 kB
Cached:           151760 kB
SwapCached:         1436 kB
Active:           583016 kB
Inactive:         161628 kB
Active(anon):     490860 kB
Inactive(anon):     1424 kB
Active(file):      92156 kB
Inactive(file):   160204 kB
Unevictable:     1543360 kB
Mlocked:           14448 kB
SwapTotal:      67108856 kB
SwapFree:       67098924 kB
Dirty:              6276 kB
Writeback:             0 kB
AnonPages:       2036840 kB
Mapped:             7868 kB
Shmem:                 0 kB
Slab:             600204 kB
SReclaimable:      43104 kB
SUnreclaim:       557100 kB
KernelStack:        1440 kB
PageTables:         8012 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545120 kB
Committed_AS:    2231520 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346412 kB
VmallocChunk:   34341988032 kB
HardwareCorrupted:     0 kB
AnonHugePages:   1597440 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= 71724 MiB
End job on node116 at 2016-06-07 03:32:41