Trace number 4101435

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
NaPS 1.02OPT5 1.26281 1.26297

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/MIPLIB/
miplib/normalized-reduced-mps-v2-20-10-sample2.opb
MD5SUM98cb9153c0a6885786e060f27dbb5c7a
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 benchmark0.113981
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 variables1296
Total number of constraints46
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)3
Number of constraints which are nor clauses,nor cardinality constraints43
Minimum length of a constraint4
Maximum length of a constraint150
Number of terms in the objective function 729
Biggest coefficient in the objective function 23832
Number of bits for the biggest coefficient in the objective function 15
Sum of the numbers in the objective function 524793
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 262138
Number of bits of the biggest number in a constraint 18
Biggest sum of numbers in a constraint 524793
Number of bits of the biggest sum of numbers20
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 NaPS 1.02b.
1.19/1.25	o 16
1.19/1.25	o 9
1.19/1.25	o 5
1.19/1.25	s OPTIMUM FOUND
1.19/1.25	c _____________________________________________________________________________
1.19/1.25	c 
1.19/1.25	c std/band forms        : 29,21
1.19/1.25	c 2cl/3cl ITE-codings   : 2549,17621
1.19/1.25	c BDD/srt/adr Max costs : 1434,21567,0
1.19/1.25	c BDDraw/bin/mul/srt/adr: 24,0,22,4,0
1.19/1.25	c BDD nodes             : 23242
1.19/1.25	c Es1/CC detections     : 0,0
1.19/1.25	c SAT/UNSAT calls       : 3,2
1.19/1.25	c restarts              : 212
1.19/1.25	c conflicts             : 21808          (17590 /sec)
1.19/1.25	c decisions             : 104866         (84582 /sec)
1.19/1.25	c propagations          : 24152095       (19480465 /sec)
1.19/1.25	c inspects              : 0              (0 /sec)
1.19/1.25	c CPU time (solving tm) : 1.24 s        (0.7999 s)
1.19/1.25	c Time for Opt-base     : 0.07899 s
1.19/1.25	c _____________________________________________________________________________
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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-4101435-1466228422/watcher-4101435-1466228422 -o /tmp/evaluation-result-4101435-1466228422/solver-4101435-1466228422 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node121-1466206085-403 --watchdog 1960 naps-1.02 HOME/instance-4101435-1466228422.opb 

pid=4466
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: 2.27 2.25 2.19 4/175 4469
/proc/meminfo: memFree=29346336/32872528 swapFree=1316768/1463936
[pid=4469] ppid=4466 vsize=6688 CPUtime=0 cores=1,3,5,7
/proc/4469/stat : 4469 (naps-1.02) R 4466 4469 386 0 -1 4202496 374 0 0 0 0 0 0 0 20 0 1 0 24889121 6848512 249 33554432000 4194304 5796924 140734197879312 140734994916280 5095032 0 0 4096 17954 0 0 0 17 5 0 0 0 0 0
/proc/4469/statm: 1672 249 128 392 0 1271 0

[startup+0.100187 s]
/proc/loadavg: 2.27 2.25 2.19 4/175 4469
/proc/meminfo: memFree=29346336/32872528 swapFree=1316768/1463936
[pid=4469] ppid=4466 vsize=7644 CPUtime=0.09 cores=1,3,5,7
/proc/4469/stat : 4469 (naps-1.02) R 4466 4469 386 0 -1 4202496 605 0 0 0 9 0 0 0 20 0 1 0 24889121 7827456 480 33554432000 4194304 5796924 140734197879312 140734994916280 5092416 0 0 4096 17954 0 0 0 17 5 0 0 0 0 0
/proc/4469/statm: 1911 480 143 392 0 1510 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7644

[startup+0.200344 s]
/proc/loadavg: 2.27 2.25 2.19 4/175 4469
/proc/meminfo: memFree=29346336/32872528 swapFree=1316768/1463936
[pid=4469] ppid=4466 vsize=8572 CPUtime=0.19 cores=1,3,5,7
/proc/4469/stat : 4469 (naps-1.02) R 4466 4469 386 0 -1 4202496 867 0 0 0 19 0 0 0 20 0 1 0 24889121 8777728 734 33554432000 4194304 5796924 140734197879312 140734994916280 5092526 0 0 4096 17954 0 0 0 17 5 0 0 0 0 0
/proc/4469/statm: 2143 734 143 392 0 1742 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 8572

[startup+0.300258 s]
/proc/loadavg: 2.27 2.25 2.19 4/175 4469
/proc/meminfo: memFree=29346336/32872528 swapFree=1316768/1463936
[pid=4469] ppid=4466 vsize=9336 CPUtime=0.29 cores=1,3,5,7
/proc/4469/stat : 4469 (naps-1.02) R 4466 4469 386 0 -1 4202496 1070 0 0 0 29 0 0 0 20 0 1 0 24889121 9560064 895 33554432000 4194304 5796924 140734197879312 140734994916280 5087743 0 0 4096 17954 0 0 0 17 5 0 0 0 0 0
/proc/4469/statm: 2334 895 143 392 0 1933 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9336

[startup+0.700277 s]
/proc/loadavg: 2.27 2.25 2.19 4/175 4469
/proc/meminfo: memFree=29346336/32872528 swapFree=1316768/1463936
[pid=4469] ppid=4466 vsize=28612 CPUtime=0.69 cores=1,3,5,7
/proc/4469/stat : 4469 (naps-1.02) R 4466 4469 386 0 -1 4202496 7566 0 0 0 68 1 0 0 20 0 1 0 24889121 29298688 6302 33554432000 4194304 5796924 140734197879312 140734197876600 4611179 0 0 4096 17954 0 0 0 17 5 0 0 0 0 0
/proc/4469/statm: 7153 6302 179 392 0 6752 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 28612

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 4469 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.800279 s]
/proc/loadavg: 2.27 2.25 2.19 4/175 4469
/proc/meminfo: memFree=29346336/32872528 swapFree=1316768/1463936
[pid=4469] ppid=4466 vsize=28764 CPUtime=0.79 cores=1,3,5,7
/proc/4469/stat : 4469 (naps-1.02) R 4466 4469 386 0 -1 4202496 7650 0 0 0 78 1 0 0 20 0 1 0 24889121 29454336 6384 33554432000 4194304 5796924 140734197879312 140734197876600 4606433 0 0 4096 17954 0 0 0 17 5 0 0 0 0 0
/proc/4469/statm: 7191 6384 181 392 0 6790 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 28764

[startup+1.20727 s]
/proc/loadavg: 2.27 2.25 2.19 4/176 4470
/proc/meminfo: memFree=29319164/32872528 swapFree=1316768/1463936
[pid=4469] ppid=4466 vsize=40508 CPUtime=1.19 cores=1,3,5,7
/proc/4469/stat : 4469 (naps-1.02) R 4466 4469 386 0 -1 4202496 10679 0 0 0 118 1 0 0 20 0 1 0 24889121 41480192 8784 33554432000 4194304 5796924 140734197879312 140734197876600 4647766 0 0 4096 17954 0 0 0 17 5 0 0 0 0 0
/proc/4469/statm: 10127 8784 181 392 0 9726 0
Current children cumulated CPU time (s) 1.19
Current children cumulated vsize (KiB) 40508

Child status: 30
Real time (s): 1.26297
CPU time (s): 1.26281
CPU user time (s): 1.24081
CPU system time (s): 0.021996
CPU usage (%): 99.987
Max. virtual memory (cumulated for all children) (KiB): 40508

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.24081
system time used= 0.021996
maximum resident set size= 36396
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11017
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 0.010998 second system time

The end

Launcher Data

Begin job on node121 at 2016-06-18 07:40:22
IDJOB=4101435
IDBENCH=1747
IDSOLVER=2544
FILE ID=node121/4101435-1466228422
RUNJOBID= node121-1466206085-403
PBS_JOBID= 19918156
Free space on /tmp= 71716 MiB

SOLVER NAME= NaPS 1.02
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/MIPLIB/miplib/normalized-reduced-mps-v2-20-10-sample2.opb
COMMAND LINE= naps-1.02 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4101435-1466228422/watcher-4101435-1466228422 -o /tmp/evaluation-result-4101435-1466228422/solver-4101435-1466228422 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node121-1466206085-403 --watchdog 1960  naps-1.02 HOME/instance-4101435-1466228422.opb

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

MD5SUM BENCH= 98cb9153c0a6885786e060f27dbb5c7a
RANDOM SEED=783944015

node121.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		: 2666.691
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	: 5333.38
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		: 2666.691
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		: 2666.691
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		: 2666.691
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		: 2666.691
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	: 5332.54
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		: 2666.691
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		: 2666.691
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	: 5332.56
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		: 2666.691
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:        29346608 kB
Buffers:          112960 kB
Cached:           165048 kB
SwapCached:         1900 kB
Active:          1105400 kB
Inactive:         208868 kB
Active(anon):    1035612 kB
Inactive(anon):     2792 kB
Active(file):      69788 kB
Inactive(file):   206076 kB
Unevictable:     1463936 kB
Mlocked:         1316768 kB
SwapTotal:      67108856 kB
SwapFree:       67101124 kB
Dirty:              3912 kB
Writeback:             0 kB
AnonPages:       2485688 kB
Mapped:             9388 kB
Shmem:                 0 kB
Slab:             609500 kB
SReclaimable:      53804 kB
SUnreclaim:       555696 kB
KernelStack:        1464 kB
PageTables:         9100 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545120 kB
Committed_AS:    2722796 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346412 kB
VmallocChunk:   34341988032 kB
HardwareCorrupted:     0 kB
AnonHugePages:    636928 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= 71712 MiB
End job on node121 at 2016-06-18 07:40:23