Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Waiting for the VM to be ready (probing ssh)
........................
/home/mcc/execution
total 328K
-rw-r--r-- 1 mcc users 9.8K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 39K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 33K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 6.1K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 12K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 43K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 109 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 347 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 7.8K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 8.8K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 5 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 21K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool smart
Input is Referendum-PT-0020, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 1
Run identifier is r134-qhx2-152673576300274
=====================================================================

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

no data necessary for post analysis


=== Now, execution of the tool begins

BK_START 1526896802626

======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running Referendum (PT), instance 0020
Examination StateSpace
Parser /home/mcc/BenchKit/bin/parser/StateSpaceParse.jar
Model checker /home/mcc/BenchKit/bin/main/smart

Filename model.pnml
Petri model created: 61 places, 41 transitions, 101 arcs.
P61 --> T41 : 1
Pre[0,26]: 1
T41: P61' := P61 - 1
IM[0,26]: -1
T41: P41' := P41 + 1
IM[0,25]: 1
P60 --> T40 : 1
Pre[1,17]: 1
T40: P60' := P60 - 1
IM[1,17]: -1
T40: P40' := P40 + 1
IM[1,18]: 1
P59 --> T39 : 1
Pre[2,32]: 1
T39: P59' := P59 - 1
IM[2,32]: -1
T39: P39' := P39 + 1
IM[2,33]: 1
P58 --> T38 : 1
Pre[3,8]: 1
T38: P58' := P58 - 1
IM[3,8]: -1
T38: P38' := P38 + 1
IM[3,7]: 1
P57 --> T37 : 1
Pre[4,23]: 1
T37: P57' := P57 - 1
IM[4,23]: -1
T37: P37' := P37 + 1
IM[4,24]: 1
P56 --> T36 : 1
Pre[5,20]: 1
T36: P56' := P56 - 1
IM[5,20]: -1
T36: P36' := P36 + 1
IM[5,19]: 1
P55 --> T35 : 1
Pre[6,29]: 1
T35: P55' := P55 - 1
IM[6,29]: -1
T35: P35' := P35 + 1
IM[6,31]: 1
P54 --> T34 : 1
Pre[7,38]: 1
T34: P54' := P54 - 1
IM[7,38]: -1
T34: P34' := P34 + 1
IM[7,39]: 1
P53 --> T33 : 1
Pre[8,56]: 1
T33: P53' := P53 - 1
IM[8,56]: -1
T33: P33' := P33 + 1
IM[8,54]: 1
P52 --> T32 : 1
Pre[9,41]: 1
T32: P52' := P52 - 1
IM[9,41]: -1
T32: P32' := P32 + 1
IM[9,40]: 1
P51 --> T31 : 1
Pre[10,47]: 1
T31: P51' := P51 - 1
IM[10,47]: -1
T31: P31' := P31 + 1
IM[10,48]: 1
P50 --> T30 : 1
Pre[11,2]: 1
T30: P50' := P50 - 1
IM[11,2]: -1
T30: P30' := P30 + 1
IM[11,0]: 1
P49 --> T29 : 1
Pre[12,10]: 1
T29: P49' := P49 - 1
IM[12,10]: -1
T29: P29' := P29 + 1
IM[12,11]: 1
P48 --> T28 : 1
Pre[13,35]: 1
T28: P48' := P48 - 1
IM[13,35]: -1
T28: P28' := P28 + 1
IM[13,34]: 1
P47 --> T27 : 1
Pre[14,5]: 1
T27: P47' := P47 - 1
IM[14,5]: -1
T27: P27' := P27 + 1
IM[14,4]: 1
P46 --> T26 : 1
Pre[15,14]: 1
T26: P46' := P46 - 1
IM[15,14]: -1
T26: P26' := P26 + 1
IM[15,15]: 1
P45 --> T25 : 1
Pre[16,44]: 1
T25: P45' := P45 - 1
IM[16,44]: -1
T25: P25' := P25 + 1
IM[16,43]: 1
P44 --> T24 : 1
Pre[17,53]: 1
T24: P44' := P44 - 1
IM[17,53]: -1
T24: P24' := P24 + 1
IM[17,55]: 1
P43 --> T23 : 1
Pre[18,50]: 1
T23: P43' := P43 - 1
IM[18,50]: -1
T23: P23' := P23 + 1
IM[18,49]: 1
P42 --> T22 : 1
Pre[19,58]: 1
T22: P42' := P42 - 1
IM[19,58]: -1
T22: P22' := P22 + 1
IM[19,59]: 1
P61 --> T21 : 1
Pre[20,26]: 1
T21: P61' := P61 - 1
IM[20,26]: -1
T21: P21' := P21 + 1
IM[20,27]: 1
P60 --> T20 : 1
Pre[21,17]: 1
T20: P60' := P60 - 1
IM[21,17]: -1
T20: P20' := P20 + 1
IM[21,16]: 1
P59 --> T19 : 1
Pre[22,32]: 1
T19: P59' := P59 - 1
IM[22,32]: -1
T19: P19' := P19 + 1
IM[22,30]: 1
P58 --> T18 : 1
Pre[23,8]: 1
T18: P58' := P58 - 1
IM[23,8]: -1
T18: P18' := P18 + 1
IM[23,9]: 1
P57 --> T17 : 1
Pre[24,23]: 1
T17: P57' := P57 - 1
IM[24,23]: -1
T17: P17' := P17 + 1
IM[24,22]: 1
P56 --> T16 : 1
Pre[25,20]: 1
T16: P56' := P56 - 1
IM[25,20]: -1
T16: P16' := P16 + 1
IM[25,21]: 1
P55 --> T15 : 1
Pre[26,29]: 1
T15: P55' := P55 - 1
IM[26,29]: -1
T15: P15' := P15 + 1
IM[26,28]: 1
P54 --> T14 : 1
Pre[27,38]: 1
T14: P54' := P54 - 1
IM[27,38]: -1
T14: P14' := P14 + 1
IM[27,37]: 1
P53 --> T13 : 1
Pre[28,56]: 1
T13: P53' := P53 - 1
IM[28,56]: -1
T13: P13' := P13 + 1
IM[28,57]: 1
P52 --> T12 : 1
Pre[29,41]: 1
T12: P52' := P52 - 1
IM[29,41]: -1
T12: P12' := P12 + 1
IM[29,42]: 1
P51 --> T11 : 1
Pre[30,47]: 1
T11: P51' := P51 - 1
IM[30,47]: -1
T11: P11' := P11 + 1
IM[30,46]: 1
P50 --> T10 : 1
Pre[31,2]: 1
T10: P50' := P50 - 1
IM[31,2]: -1
T10: P10' := P10 + 1
IM[31,1]: 1
P49 --> T9 : 1
Pre[32,10]: 1
T9: P49' := P49 - 1
IM[32,10]: -1
T9: P9' := P9 + 1
IM[32,12]: 1
P48 --> T8 : 1
Pre[33,35]: 1
T8: P48' := P48 - 1
IM[33,35]: -1
T8: P8' := P8 + 1
IM[33,36]: 1
P47 --> T7 : 1
Pre[34,5]: 1
T7: P47' := P47 - 1
IM[34,5]: -1
T7: P7' := P7 + 1
IM[34,6]: 1
P46 --> T6 : 1
Pre[35,14]: 1
T6: P46' := P46 - 1
IM[35,14]: -1
T6: P6' := P6 + 1
IM[35,13]: 1
P45 --> T5 : 1
Pre[36,44]: 1
T5: P45' := P45 - 1
IM[36,44]: -1
T5: P5' := P5 + 1
IM[36,45]: 1
P44 --> T4 : 1
Pre[37,53]: 1
T4: P44' := P44 - 1
IM[37,53]: -1
T4: P4' := P4 + 1
IM[37,52]: 1
P43 --> T3 : 1
Pre[38,50]: 1
T3: P43' := P43 - 1
IM[38,50]: -1
T3: P3' := P3 + 1
IM[38,51]: 1
P42 --> T2 : 1
Pre[39,58]: 1
T2: P42' := P42 - 1
IM[39,58]: -1
T2: P2' := P2 + 1
IM[39,60]: 1
P1 --> T1 : 1
Pre[40,3]: 1
T1: P1' := P1 - 1
IM[40,3]: -1
T1: P42' := P42 + 1
IM[40,58]: 1
T1: P43' := P43 + 1
IM[40,50]: 1
T1: P44' := P44 + 1
IM[40,53]: 1
T1: P45' := P45 + 1
IM[40,44]: 1
T1: P46' := P46 + 1
IM[40,14]: 1
T1: P47' := P47 + 1
IM[40,5]: 1
T1: P48' := P48 + 1
IM[40,35]: 1
T1: P49' := P49 + 1
IM[40,10]: 1
T1: P50' := P50 + 1
IM[40,2]: 1
T1: P51' := P51 + 1
IM[40,47]: 1
T1: P52' := P52 + 1
IM[40,41]: 1
T1: P53' := P53 + 1
IM[40,56]: 1
T1: P54' := P54 + 1
IM[40,38]: 1
T1: P55' := P55 + 1
IM[40,29]: 1
T1: P56' := P56 + 1
IM[40,20]: 1
T1: P57' := P57 + 1
IM[40,23]: 1
T1: P58' := P58 + 1
IM[40,8]: 1
T1: P59' := P59 + 1
IM[40,32]: 1
T1: P60' := P60 + 1
IM[40,17]: 1
T1: P61' := P61 + 1
IM[40,26]: 1


Decreasing places (index:name): 3:P1

Increasing places (index:name): 0:P30 1:P10 4:P27 6:P7 7:P38 9:P18 11:P29 12:P9 13:P6 15:P26 16:P20 18:P40 19:P36 21:P16 22:P17 24:P37 25:P41 27:P21 28:P15 30:P19 31:P35 33:P39 34:P28 36:P8 37:P14 39:P34 40:P32 42:P12 43:P25 45:P5 46:P11 48:P31 49:P23 51:P3 52:P4 54:P33 55:P24 57:P13 59:P22 60:P2

Disabled transitions:

P61 --> T41 : 1
Pre[0,26]: 1
P60 --> T40 : 1
Pre[1,17]: 1
P59 --> T39 : 1
Pre[2,32]: 1
P58 --> T38 : 1
Pre[3,8]: 1
P57 --> T37 : 1
Pre[4,23]: 1
P56 --> T36 : 1
Pre[5,20]: 1
P55 --> T35 : 1
Pre[6,29]: 1
P54 --> T34 : 1
Pre[7,38]: 1
P53 --> T33 : 1
Pre[8,56]: 1
P52 --> T32 : 1
Pre[9,41]: 1
P51 --> T31 : 1
Pre[10,47]: 1
P50 --> T30 : 1
Pre[11,2]: 1
P49 --> T29 : 1
Pre[12,10]: 1
P48 --> T28 : 1
Pre[13,35]: 1
P47 --> T27 : 1
Pre[14,5]: 1
P46 --> T26 : 1
Pre[15,14]: 1
P45 --> T25 : 1
Pre[16,44]: 1
P44 --> T24 : 1
Pre[17,53]: 1
P43 --> T23 : 1
Pre[18,50]: 1
P42 --> T22 : 1
Pre[19,58]: 1
P61 --> T21 : 1
Pre[20,26]: 1
P60 --> T20 : 1
Pre[21,17]: 1
P59 --> T19 : 1
Pre[22,32]: 1
P58 --> T18 : 1
Pre[23,8]: 1
P57 --> T17 : 1
Pre[24,23]: 1
P56 --> T16 : 1
Pre[25,20]: 1
P55 --> T15 : 1
Pre[26,29]: 1
P54 --> T14 : 1
Pre[27,38]: 1
P53 --> T13 : 1
Pre[28,56]: 1
P52 --> T12 : 1
Pre[29,41]: 1
P51 --> T11 : 1
Pre[30,47]: 1
P50 --> T10 : 1
Pre[31,2]: 1
P49 --> T9 : 1
Pre[32,10]: 1
P48 --> T8 : 1
Pre[33,35]: 1
P47 --> T7 : 1
Pre[34,5]: 1
P46 --> T6 : 1
Pre[35,14]: 1
P45 --> T5 : 1
Pre[36,44]: 1
P44 --> T4 : 1
Pre[37,53]: 1
P43 --> T3 : 1
Pre[38,50]: 1
P42 --> T2 : 1
Pre[39,58]: 1
P1 --> T1 : 1
Pre[40,3]: 1


New Decreasing places (index:name):

Accumulated Decreasing places (index:name): 3:P1

New Increasing places (index:name):

Accumulated Increasing places (index:name): 0:P30 1:P10 4:P27 6:P7 7:P38 9:P18 11:P29 12:P9 13:P6 15:P26 16:P20 18:P40 19:P36 21:P16 22:P17 24:P37 25:P41 27:P21 28:P15 30:P19 31:P35 33:P39 34:P28 36:P8 37:P14 39:P34 40:P32 42:P12 43:P25 45:P5 46:P11 48:P31 49:P23 51:P3 52:P4 54:P33 55:P24 57:P13 59:P22 60:P2

Disabled transitions:

Done with translating model within variable-ordering code
Done generating initial forcegiven
Done generating initial soupsgiven
Done computing soupscore
Done generating soupsorder
Done computing soupscore
Done generating soupsorder
Done computing soupscore
Done generating soupsorder
Done computing soupscore
Done generating soupsorder
Done computing soupscore
Done generating soupsorder
Done computing soupscore
Done with building new variable-ordering
Finalized T41
Disabled? False
Enabling: 1<=P61
Firing: P61' := P61 - 1; P41' := P41 + 1
Finalized T40
Disabled? False
Enabling: 1<=P60
Firing: P60' := P60 - 1; P40' := P40 + 1
Finalized T39
Disabled? False
Enabling: 1<=P59
Firing: P59' := P59 - 1; P39' := P39 + 1
Finalized T38
Disabled? False
Enabling: 1<=P58
Firing: P58' := P58 - 1; P38' := P38 + 1
Finalized T37
Disabled? False
Enabling: 1<=P57
Firing: P57' := P57 - 1; P37' := P37 + 1
Finalized T36
Disabled? False
Enabling: 1<=P56
Firing: P56' := P56 - 1; P36' := P36 + 1
Finalized T35
Disabled? False
Enabling: 1<=P55
Firing: P55' := P55 - 1; P35' := P35 + 1
Finalized T34
Disabled? False
Enabling: 1<=P54
Firing: P54' := P54 - 1; P34' := P34 + 1
Finalized T33
Disabled? False
Enabling: 1<=P53
Firing: P53' := P53 - 1; P33' := P33 + 1
Finalized T32
Disabled? False
Enabling: 1<=P52
Firing: P52' := P52 - 1; P32' := P32 + 1
Finalized T31
Disabled? False
Enabling: 1<=P51
Firing: P51' := P51 - 1; P31' := P31 + 1
Finalized T30
Disabled? False
Enabling: 1<=P50
Firing: P50' := P50 - 1; P30' := P30 + 1
Finalized T29
Disabled? False
Enabling: 1<=P49
Firing: P49' := P49 - 1; P29' := P29 + 1
Finalized T28
Disabled? False
Enabling: 1<=P48
Firing: P48' := P48 - 1; P28' := P28 + 1
Finalized T27
Disabled? False
Enabling: 1<=P47
Firing: P47' := P47 - 1; P27' := P27 + 1
Finalized T26
Disabled? False
Enabling: 1<=P46
Firing: P46' := P46 - 1; P26' := P26 + 1
Finalized T25
Disabled? False
Enabling: 1<=P45
Firing: P45' := P45 - 1; P25' := P25 + 1
Finalized T24
Disabled? False
Enabling: 1<=P44
Firing: P44' := P44 - 1; P24' := P24 + 1
Finalized T23
Disabled? False
Enabling: 1<=P43
Firing: P43' := P43 - 1; P23' := P23 + 1
Finalized T22
Disabled? False
Enabling: 1<=P42
Firing: P42' := P42 - 1; P22' := P22 + 1
Finalized T21
Disabled? False
Enabling: 1<=P61
Firing: P61' := P61 - 1; P21' := P21 + 1
Finalized T20
Disabled? False
Enabling: 1<=P60
Firing: P60' := P60 - 1; P20' := P20 + 1
Finalized T19
Disabled? False
Enabling: 1<=P59
Firing: P59' := P59 - 1; P19' := P19 + 1
Finalized T18
Disabled? False
Enabling: 1<=P58
Firing: P58' := P58 - 1; P18' := P18 + 1
Finalized T17
Disabled? False
Enabling: 1<=P57
Firing: P57' := P57 - 1; P17' := P17 + 1
Finalized T16
Disabled? False
Enabling: 1<=P56
Firing: P56' := P56 - 1; P16' := P16 + 1
Finalized T15
Disabled? False
Enabling: 1<=P55
Firing: P55' := P55 - 1; P15' := P15 + 1
Finalized T14
Disabled? False
Enabling: 1<=P54
Firing: P54' := P54 - 1; P14' := P14 + 1
Finalized T13
Disabled? False
Enabling: 1<=P53
Firing: P53' := P53 - 1; P13' := P13 + 1
Finalized T12
Disabled? False
Enabling: 1<=P52
Firing: P52' := P52 - 1; P12' := P12 + 1
Finalized T11
Disabled? False
Enabling: 1<=P51
Firing: P51' := P51 - 1; P11' := P11 + 1
Finalized T10
Disabled? False
Enabling: 1<=P50
Firing: P50' := P50 - 1; P10' := P10 + 1
Finalized T9
Disabled? False
Enabling: 1<=P49
Firing: P49' := P49 - 1; P9' := P9 + 1
Finalized T8
Disabled? False
Enabling: 1<=P48
Firing: P48' := P48 - 1; P8' := P8 + 1
Finalized T7
Disabled? False
Enabling: 1<=P47
Firing: P47' := P47 - 1; P7' := P7 + 1
Finalized T6
Disabled? False
Enabling: 1<=P46
Firing: P46' := P46 - 1; P6' := P6 + 1
Finalized T5
Disabled? False
Enabling: 1<=P45
Firing: P45' := P45 - 1; P5' := P5 + 1
Finalized T4
Disabled? False
Enabling: 1<=P44
Firing: P44' := P44 - 1; P4' := P4 + 1
Finalized T3
Disabled? False
Enabling: 1<=P43
Firing: P43' := P43 - 1; P3' := P3 + 1
Finalized T2
Disabled? False
Enabling: 1<=P42
Firing: P42' := P42 - 1; P2' := P2 + 1
Finalized T1
Disabled? False
Enabling: 1<=P1
Firing: P1' := P1 - 1; P42' := P42 + 1; P43' := P43 + 1; P44' := P44 + 1; P45' := P45 + 1; P46' := P46 + 1; P47' := P47 + 1; P48' := P48 + 1; P49' := P49 + 1; P50' := P50 + 1; P51' := P51 + 1; P52' := P52 + 1; P53' := P53 + 1; P54' := P54 + 1; P55' := P55 + 1; P56' := P56 + 1; P57' := P57 + 1; P58' := P58 + 1; P59' := P59 + 1; P60' := P60 + 1; P61' := P61 + 1
STATE_SPACE STATES 3486784402 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
STATE_SPACE MAX_TOKEN_IN_PLACE 1 TECHNIQUES SEQUENTIAL_PROCESSING IMPLICIT RELATIONS DECISION_DIAGRAMS
STATE_SPACE MAX_TOKEN_PER_MARKING 20 TECHNIQUES SEQUENTIAL_PROCESSING IMPLICIT RELATIONS DECISION_DIAGRAMS
STATE_SPACE TRANSITIONS 46490458681 TECHNIQUES SEQUENTIAL_PROCESSING IMPLICIT RELATIONS DECISION_DIAGRAMS

BK_STOP 1526896808485

--------------------
content from stderr:

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Referendum-PT-0020"
export BK_EXAMINATION="StateSpace"
export BK_TOOL="smart"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

tar xzf /home/mcc/BenchKit/INPUTS/Referendum-PT-0020.tgz
mv Referendum-PT-0020 execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool smart"
echo " Input is Referendum-PT-0020, examination is StateSpace"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 1"
echo " Run identifier is r134-qhx2-152673576300274"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "StateSpace" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StateSpace" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "StateSpace.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StateSpace.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StateSpace.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' StateSpace.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;