Trace number 4085941

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 0.571912 0.574821

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga40_38_sat_pb.cnf.cr.opb
MD5SUM3df4b6f92f1f3083d4934635de2b04ef
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark0.041992
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2280
Total number of constraints1636
Number of constraints which are clauses1558
Number of constraints which are cardinality constraints (but not clauses)78
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint20
Maximum length of a constraint40
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 41
Number of bits of the biggest sum of numbers6
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-4085941-1465228837.opb
0.00/0.00	c File size is 316212 bytes.
0.49/0.57	c Sum of soft weights:            0
0.49/0.57	c |                                                                                                       |
0.49/0.57	c ========================================[ Problem Statistics ]===========================================
0.49/0.57	c |                                                                                                       |
0.49/0.57	c |  Problem Type:           Unweighted                                                                   |
0.49/0.57	c |  Number of variables:          2280                                                                   |
0.49/0.57	c |  Number of hard clauses:       1558                                                                   |
0.49/0.57	c |  Number of soft clauses:          0                                                                   |
0.49/0.57	c |  Number of cardinality:          78                                                                   |
0.49/0.57	c |  Number of PB :                   0                                                                   |
0.49/0.57	c |  Parse time:                   0.03 s                                                                 |
0.49/0.57	c |                                                                                                       |
0.49/0.57	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-4085941-1465228837/watcher-4085941-1465228837 -o /tmp/evaluation-result-4085941-1465228837/solver-4085941-1465228837 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node133-1465223432-16632 --watchdog 1960 open-wbo HOME/instance-4085941-1465228837.opb 

pid=18649
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 2.00 1.97 3/179 18652
/proc/meminfo: memFree=31924864/32872528 swapFree=8144/8144
[pid=18652] ppid=18649 vsize=2648 CPUtime=0 cores=1,3,5,7
/proc/18652/stat : 18652 (open-wbo) R 18649 18652 16615 0 -1 4202496 408 0 0 0 0 0 0 0 20 0 1 0 104815787 2711552 283 33554432000 4194304 6059633 140734274979744 140737379155880 5043379 0 0 4096 8404992 0 0 0 17 1 0 0 0 0 0
/proc/18652/statm: 662 283 212 456 0 120 0

[startup+0.100164 s]
/proc/loadavg: 2.00 2.00 1.97 3/179 18652
/proc/meminfo: memFree=31924864/32872528 swapFree=8144/8144
[pid=18652] ppid=18649 vsize=8444 CPUtime=0.09 cores=1,3,5,7
/proc/18652/stat : 18652 (open-wbo) R 18649 18652 16615 0 -1 4202496 1170 0 0 0 9 0 0 0 20 0 1 0 104815787 8646656 960 33554432000 4194304 6059633 140734274979744 140737379155880 4278520 0 0 4096 8404992 0 0 0 17 1 0 0 0 0 0
/proc/18652/statm: 2111 960 178 456 0 1647 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8444

[startup+0.200338 s]
/proc/loadavg: 2.00 2.00 1.97 3/179 18652
/proc/meminfo: memFree=31924864/32872528 swapFree=8144/8144
[pid=18652] ppid=18649 vsize=8576 CPUtime=0.19 cores=1,3,5,7
/proc/18652/stat : 18652 (open-wbo) R 18649 18652 16615 0 -1 4202496 1219 0 0 0 19 0 0 0 20 0 1 0 104815787 8781824 1520 33554432000 4194304 6059633 140734274979744 140734274978120 4255448 0 0 4096 8404992 0 0 0 17 1 0 0 0 0 0
/proc/18652/statm: 2144 1520 178 456 0 1680 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 8576

[startup+0.300311 s]
/proc/loadavg: 2.00 2.00 1.97 3/179 18652
/proc/meminfo: memFree=31924864/32872528 swapFree=8144/8144
[pid=18652] ppid=18649 vsize=7164 CPUtime=0.29 cores=1,3,5,7
/proc/18652/stat : 18652 (open-wbo) R 18649 18652 16615 0 -1 4202496 1773 0 0 0 29 0 0 0 20 0 1 0 104815787 7335936 1258 33554432000 4194304 6059633 140734274979744 140734274978120 4278352 0 0 4096 8404992 0 0 0 17 1 0 0 0 0 0
/proc/18652/statm: 1791 1258 180 456 0 1327 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7164

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 18652 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.400297 s]
/proc/loadavg: 2.00 2.00 1.97 3/179 18652
/proc/meminfo: memFree=31924864/32872528 swapFree=8144/8144
[pid=18652] ppid=18649 vsize=7296 CPUtime=0.39 cores=1,3,5,7
/proc/18652/stat : 18652 (open-wbo) R 18649 18652 16615 0 -1 4202496 1966 0 0 0 39 0 0 0 20 0 1 0 104815787 7471104 1449 33554432000 4194304 6059633 140734274979744 140734274978120 4278352 0 0 4096 8404992 0 0 0 17 1 0 0 0 0 0
/proc/18652/statm: 1824 1449 180 456 0 1360 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 7296

[startup+0.500229 s]
/proc/loadavg: 2.00 2.00 1.97 3/179 18652
/proc/meminfo: memFree=31924864/32872528 swapFree=8144/8144
[pid=18652] ppid=18649 vsize=6416 CPUtime=0.49 cores=1,3,5,7
/proc/18652/stat : 18652 (open-wbo) R 18649 18652 16615 0 -1 4202496 2408 0 0 0 49 0 0 0 20 0 1 0 104815787 6569984 1163 33554432000 4194304 6059633 140734274979744 140734274978120 4278024 0 0 4096 8404992 0 0 0 17 1 0 0 0 0 0
/proc/18652/statm: 1604 1163 180 456 0 1140 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 6416

Child status: 10
Real time (s): 0.574821
CPU time (s): 0.571912
CPU user time (s): 0.568913
CPU system time (s): 0.002999
CPU usage (%): 99.4939
Max. virtual memory (cumulated for all children) (KiB): 8576

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.568913
system time used= 0.002999
maximum resident set size= 7524
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2617
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= 3

??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data

Begin job on node133 at 2016-06-06 18:00:37
IDJOB=4085941
IDBENCH=1419
IDSOLVER=2547
FILE ID=node133/4085941-1465228837
RUNJOBID= node133-1465223432-16632
PBS_JOBID= 19843235
Free space on /tmp= 71744 MiB

SOLVER NAME= Open-WBO PB16
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga40_38_sat_pb.cnf.cr.opb
COMMAND LINE= open-wbo BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4085941-1465228837/watcher-4085941-1465228837 -o /tmp/evaluation-result-4085941-1465228837/solver-4085941-1465228837 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node133-1465223432-16632 --watchdog 1960  open-wbo HOME/instance-4085941-1465228837.opb

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

MD5SUM BENCH= 3df4b6f92f1f3083d4934635de2b04ef
RANDOM SEED=689220454

node133.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		: 2667.065
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	: 5334.13
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		: 2667.065
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	: 7358.89
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		: 2667.065
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		: 2667.065
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		: 2667.065
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		: 2667.065
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		: 2667.065
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		: 2667.065
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:        31925508 kB
Buffers:           12036 kB
Cached:            76256 kB
SwapCached:         2084 kB
Active:           194480 kB
Inactive:          46300 kB
Active(anon):     153632 kB
Inactive(anon):     1356 kB
Active(file):      40848 kB
Inactive(file):    44944 kB
Unevictable:        8144 kB
Mlocked:            8144 kB
SwapTotal:      67108856 kB
SwapFree:       67098176 kB
Dirty:              5064 kB
Writeback:             0 kB
AnonPages:        159932 kB
Mapped:             7860 kB
Shmem:                 0 kB
Slab:             567516 kB
SReclaimable:      10904 kB
SUnreclaim:       556612 kB
KernelStack:        1464 kB
PageTables:         4360 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545120 kB
Committed_AS:     275756 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346412 kB
VmallocChunk:   34341987908 kB
HardwareCorrupted:     0 kB
AnonHugePages:    145408 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= 71740 MiB
End job on node133 at 2016-06-06 18:00:38