Trace number 4098138

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
NaPS 1.02SAT 0.576911 0.577447

General information on the benchmark

Namenormalized-PB16/DEC-SMALLINT-LIN/quimper/SyncCodes/
d-equals-n_k/normalized-compression8_21.opb
MD5SUMa4d2aa91411ff91f7d173d76766f5117
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 benchmark0.097985
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables870
Total number of constraints4094
Number of constraints which are clauses4089
Number of constraints which are cardinality constraints (but not clauses)5
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint29
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 21
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 50
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 NaPS 1.02b.
0.49/0.57	s SATISFIABLE
0.49/0.57	c _____________________________________________________________________________
0.49/0.57	c 
0.49/0.57	c std/band forms        : 1,1
0.49/0.57	c 2cl/3cl ITE-codings   : 153,151
0.49/0.57	c BDD/srt/adr Max costs : 179,0,0
0.49/0.57	c BDDraw/bin/mul/srt/adr: 2,0,0,0,0
0.49/0.57	c BDD nodes             : 359
0.49/0.57	c Es1/CC detections     : 0,0
0.49/0.57	c SAT/UNSAT calls       : 1,0
0.49/0.57	c restarts              : 29
0.49/0.57	c conflicts             : 13077          (22746 /sec)
0.49/0.57	c decisions             : 18720          (32562 /sec)
0.49/0.57	c propagations          : 1973984        (3433541 /sec)
0.49/0.57	c inspects              : 0              (0 /sec)
0.49/0.57	c CPU time (solving tm) : 0.5749 s        (0.5069 s)
0.49/0.57	c Time for Opt-base     : 0 s
0.49/0.57	c _____________________________________________________________________________
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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-4098138-1466118508/watcher-4098138-1466118508 -o /tmp/evaluation-result-4098138-1466118508/solver-4098138-1466118508 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node135-1466112658-21718 --watchdog 1960 naps-1.02 HOME/instance-4098138-1466118508.opb 

pid=24885
running on 4 cores: 0,2,4,6

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: 2.23 2.24 2.19 2/178 24888
/proc/meminfo: memFree=30051668/32872528 swapFree=1504664/1684536
[pid=24888] ppid=24885 vsize=6420 CPUtime=0 cores=0,2,4,6
/proc/24888/stat : 24888 (naps-1.02) R 24885 24888 19260 0 -1 4202496 310 0 0 0 0 0 0 0 20 0 1 0 13896742 6574080 185 33554432000 4194304 5796924 140736299526672 140734323730600 5183584 0 0 4096 17954 0 0 0 17 4 0 0 0 0 0
/proc/24888/statm: 1605 185 127 392 0 1204 0

[startup+0.10016 s]
/proc/loadavg: 2.23 2.24 2.19 2/178 24888
/proc/meminfo: memFree=30051668/32872528 swapFree=1504664/1684536
[pid=24888] ppid=24885 vsize=7204 CPUtime=0.09 cores=0,2,4,6
/proc/24888/stat : 24888 (naps-1.02) R 24885 24888 19260 0 -1 4202496 619 0 0 0 9 0 0 0 20 0 1 0 13896742 7376896 480 33554432000 4194304 5796924 140736299526672 140734323730600 4591861 0 0 4096 17954 0 0 0 17 4 0 0 0 0 0
/proc/24888/statm: 1801 481 155 392 0 1400 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7204

[startup+0.200241 s]
/proc/loadavg: 2.23 2.24 2.19 2/178 24888
/proc/meminfo: memFree=30051668/32872528 swapFree=1504664/1684536
[pid=24888] ppid=24885 vsize=7472 CPUtime=0.19 cores=0,2,4,6
/proc/24888/stat : 24888 (naps-1.02) R 24885 24888 19260 0 -1 4202496 789 0 0 0 19 0 0 0 20 0 1 0 13896742 7651328 648 33554432000 4194304 5796924 140736299526672 140734323730600 4606802 0 0 4096 17954 0 0 0 17 4 0 0 0 0 0
/proc/24888/statm: 1868 648 160 392 0 1467 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 7472

[startup+0.300288 s]
/proc/loadavg: 2.23 2.24 2.19 2/178 24888
/proc/meminfo: memFree=30051668/32872528 swapFree=1504664/1684536
[pid=24888] ppid=24885 vsize=3876 CPUtime=0.29 cores=0,2,4,6
/proc/24888/stat : 24888 (naps-1.02) R 24885 24888 19260 0 -1 4202496 1012 0 0 0 29 0 0 0 20 0 1 0 13896742 3969024 635 33554432000 4194304 5796924 140736299526672 140736299524136 4607232 0 0 4096 17954 0 0 0 17 4 0 0 0 0 0
/proc/24888/statm: 969 635 164 392 0 568 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3876

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 24888 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.400329 s]
/proc/loadavg: 2.23 2.24 2.19 2/178 24888
/proc/meminfo: memFree=30051668/32872528 swapFree=1504664/1684536
[pid=24888] ppid=24885 vsize=4396 CPUtime=0.39 cores=0,2,4,6
/proc/24888/stat : 24888 (naps-1.02) R 24885 24888 19260 0 -1 4202496 1116 0 0 0 39 0 0 0 20 0 1 0 13896742 4501504 737 33554432000 4194304 5796924 140736299526672 140736299524136 4594944 0 0 4096 17954 0 0 0 17 4 0 0 0 0 0
/proc/24888/statm: 1099 737 164 392 0 698 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 4396

[startup+0.50027 s]
/proc/loadavg: 2.23 2.24 2.19 2/178 24888
/proc/meminfo: memFree=30051668/32872528 swapFree=1504664/1684536
[pid=24888] ppid=24885 vsize=5168 CPUtime=0.49 cores=0,2,4,6
/proc/24888/stat : 24888 (naps-1.02) R 24885 24888 19260 0 -1 4202496 1226 0 0 0 49 0 0 0 20 0 1 0 13896742 5292032 842 33554432000 4194304 5796924 140736299526672 140736299524136 4592091 0 0 4096 17954 0 0 0 17 4 0 0 0 0 0
/proc/24888/statm: 1292 842 164 392 0 891 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 5168

Child status: 20
Real time (s): 0.577447
CPU time (s): 0.576911
CPU user time (s): 0.574912
CPU system time (s): 0.001999
CPU usage (%): 99.9072
Max. virtual memory (cumulated for all children) (KiB): 7472

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.574912
system time used= 0.001999
maximum resident set size= 3712
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1314
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 0.006998 second system time

The end

Launcher Data 

Begin job on node135 at 2016-06-17 01:08:28
IDJOB=4098138
IDBENCH=107857
IDSOLVER=2544
FILE ID=node135/4098138-1466118508
RUNJOBID= node135-1466112658-21718
PBS_JOBID= 19904061
Free space on /tmp= 71696 MiB

SOLVER NAME= NaPS 1.02
BENCH NAME= PB16/normalized-PB16/DEC-SMALLINT-LIN/quimper/SyncCodes/d-equals-n_k/normalized-compression8_21.opb
COMMAND LINE= naps-1.02 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4098138-1466118508/watcher-4098138-1466118508 -o /tmp/evaluation-result-4098138-1466118508/solver-4098138-1466118508 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node135-1466112658-21718 --watchdog 1960  naps-1.02 HOME/instance-4098138-1466118508.opb

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

MD5SUM BENCH= a4d2aa91411ff91f7d173d76766f5117
RANDOM SEED=1570709794

node135.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		: 2667.004
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	: 5334.00
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		: 2667.004
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		: 2667.004
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	: 5332.57
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		: 2667.004
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		: 2667.004
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		: 2667.004
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		: 2667.004
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		: 2667.004
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:        30052360 kB
Buffers:           66944 kB
Cached:           167848 kB
SwapCached:         2296 kB
Active:           298348 kB
Inactive:         117360 kB
Active(anon):     181856 kB
Inactive(anon):     1700 kB
Active(file):     116492 kB
Inactive(file):   115660 kB
Unevictable:     1684536 kB
Mlocked:         1504664 kB
SwapTotal:      67108856 kB
SwapFree:       67099424 kB
Dirty:              4160 kB
Writeback:             4 kB
AnonPages:       1878692 kB
Mapped:             7932 kB
Shmem:                 0 kB
Slab:             571268 kB
SReclaimable:      14956 kB
SUnreclaim:       556312 kB
KernelStack:        1472 kB
PageTables:         7828 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545120 kB
Committed_AS:    2018080 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346412 kB
VmallocChunk:   34341987908 kB
HardwareCorrupted:     0 kB
AnonHugePages:    362496 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= 71692 MiB
End job on node135 at 2016-06-17 01:08:29