About the Execution of Marcie for S_BridgeAndVehicles-COL-V20P20N10
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
6101.000 | 281508.00 | 281639.00 | 30.40 | 1 20 20 20 1 20 1 20 1 1 1 10 1 20 20 10 | normal |
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)
...............
=====================================================================
Generated by BenchKit 2-2979
Executing tool marcie
Input is S_BridgeAndVehicles-COL-V20P20N10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 1
Run identifier is r173kn-ebro-146433144900119
=====================================================================
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-0
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-1
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-15
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-2
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-3
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-4
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-5
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-6
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-7
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-8
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-UpperBounds-9
=== Now, execution of the tool begins
BK_START 1464784975849
Marcie rev. 8535M (built: crohr on 2016-04-27)
A model checker for Generalized Stochastic Petri nets
authors: Alex Tovchigrechko (IDD package and CTL model checking)
Martin Schwarick (Symbolic numerical analysis and CSL model checking)
Christian Rohr (Simulative and approximative numerical model checking)
marcie@informatik.tu-cottbus.de
called as: marcie --net-file=model.pnml --mcc-file=UpperBounds.xml --mcc-mode --memory=6 --suppress
parse successfull
net created successfully
Unfolding complete |P|=68|T|=548|A|=4070
Time for unfolding: 0m 2.694sec
Net: pnml4273257389636628512
(NrP: 68 NrTr: 548 NrArc: 4070)
net check time: 0m 0.002sec
parse formulas
formulas created successfully
place and transition orderings generation:0m 0.021sec
init dd package: 0m 7.487sec
RS generation: 3m56.725sec
-> reachability set: #nodes 1360582 (1.4e+06) #states 6,732,570 (6)
starting MCC model checker
--------------------------
checking: place_bound(ATTENTE_B_dot)
normalized: place_bound(ATTENTE_B_dot)
-> the formula is 20
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-1 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(SUR_PONT_A_dot)
normalized: place_bound(SUR_PONT_A_dot)
-> the formula is 10
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-5 10 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(CAPACITE_dot)
normalized: place_bound(CAPACITE_dot)
-> the formula is 20
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-7 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(ROUTE_A_dot)
normalized: place_bound(ROUTE_A_dot)
-> the formula is 20
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-8 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(SUR_PONT_B_dot)
normalized: place_bound(SUR_PONT_B_dot)
-> the formula is 10
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-9 10 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(ROUTE_B_dot)
normalized: place_bound(ROUTE_B_dot)
-> the formula is 20
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-10 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(ATTENTE_B_dot)
normalized: place_bound(ATTENTE_B_dot)
-> the formula is 20
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-11 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(CAPACITE_dot)
normalized: place_bound(CAPACITE_dot)
-> the formula is 20
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-13 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(ATTENTE_A_dot)
normalized: place_bound(ATTENTE_A_dot)
-> the formula is 20
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-15 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(CONTROLEUR_sens1,CONTROLEUR_sens2)
normalized: place_bound(CONTROLEUR_sens1,CONTROLEUR_sens2)
-> the formula is 1
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-3 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(CONTROLEUR_sens1,CONTROLEUR_sens2)
normalized: place_bound(CONTROLEUR_sens1,CONTROLEUR_sens2)
-> the formula is 1
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-14 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(COMPTEUR_compteur0,COMPTEUR_compteur1,COMPTEUR_compteur10,COMPTEUR_compteur2,COMPTEUR_compteur3,COMPTEUR_compteur4,COMPTEUR_compteur5,COMPTEUR_compteur6,COMPTEUR_compteur7,COMPTEUR_compteur8,COMPTEUR_compteur9)
normalized: place_bound(COMPTEUR_compteur0,COMPTEUR_compteur1,COMPTEUR_compteur10,COMPTEUR_compteur2,COMPTEUR_compteur3,COMPTEUR_compteur4,COMPTEUR_compteur5,COMPTEUR_compteur6,COMPTEUR_compteur7,COMPTEUR_compteur8,COMPTEUR_compteur9)
-> the formula is 1
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-2 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(NB_ATTENTE_A_voitureA0,NB_ATTENTE_A_voitureA1,NB_ATTENTE_A_voitureA10,NB_ATTENTE_A_voitureA11,NB_ATTENTE_A_voitureA12,NB_ATTENTE_A_voitureA13,NB_ATTENTE_A_voitureA14,NB_ATTENTE_A_voitureA15,NB_ATTENTE_A_voitureA16,NB_ATTENTE_A_voitureA17,NB_ATTENTE_A_voitureA18,NB_ATTENTE_A_voitureA19,NB_ATTENTE_A_voitureA2,NB_ATTENTE_A_voitureA20,NB_ATTENTE_A_voitureA3,NB_ATTENTE_A_voitureA4,NB_ATTENTE_A_voitureA5,NB_ATTENTE_A_voitureA6,NB_ATTENTE_A_voitureA7,NB_ATTENTE_A_voitureA8,NB_ATTENTE_A_voitureA9)
normalized: place_bound(NB_ATTENTE_A_voitureA0,NB_ATTENTE_A_voitureA1,NB_ATTENTE_A_voitureA10,NB_ATTENTE_A_voitureA11,NB_ATTENTE_A_voitureA12,NB_ATTENTE_A_voitureA13,NB_ATTENTE_A_voitureA14,NB_ATTENTE_A_voitureA15,NB_ATTENTE_A_voitureA16,NB_ATTENTE_A_voitureA17,NB_ATTENTE_A_voitureA18,NB_ATTENTE_A_voitureA19,NB_ATTENTE_A_voitureA2,NB_ATTENTE_A_voitureA20,NB_ATTENTE_A_voitureA3,NB_ATTENTE_A_voitureA4,NB_ATTENTE_A_voitureA5,NB_ATTENTE_A_voitureA6,NB_ATTENTE_A_voitureA7,NB_ATTENTE_A_voitureA8,NB_ATTENTE_A_voitureA9)
-> the formula is 1
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-0 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(NB_ATTENTE_B_voitureB0,NB_ATTENTE_B_voitureB1,NB_ATTENTE_B_voitureB10,NB_ATTENTE_B_voitureB11,NB_ATTENTE_B_voitureB12,NB_ATTENTE_B_voitureB13,NB_ATTENTE_B_voitureB14,NB_ATTENTE_B_voitureB15,NB_ATTENTE_B_voitureB16,NB_ATTENTE_B_voitureB17,NB_ATTENTE_B_voitureB18,NB_ATTENTE_B_voitureB19,NB_ATTENTE_B_voitureB2,NB_ATTENTE_B_voitureB20,NB_ATTENTE_B_voitureB3,NB_ATTENTE_B_voitureB4,NB_ATTENTE_B_voitureB5,NB_ATTENTE_B_voitureB6,NB_ATTENTE_B_voitureB7,NB_ATTENTE_B_voitureB8,NB_ATTENTE_B_voitureB9)
normalized: place_bound(NB_ATTENTE_B_voitureB0,NB_ATTENTE_B_voitureB1,NB_ATTENTE_B_voitureB10,NB_ATTENTE_B_voitureB11,NB_ATTENTE_B_voitureB12,NB_ATTENTE_B_voitureB13,NB_ATTENTE_B_voitureB14,NB_ATTENTE_B_voitureB15,NB_ATTENTE_B_voitureB16,NB_ATTENTE_B_voitureB17,NB_ATTENTE_B_voitureB18,NB_ATTENTE_B_voitureB19,NB_ATTENTE_B_voitureB2,NB_ATTENTE_B_voitureB20,NB_ATTENTE_B_voitureB3,NB_ATTENTE_B_voitureB4,NB_ATTENTE_B_voitureB5,NB_ATTENTE_B_voitureB6,NB_ATTENTE_B_voitureB7,NB_ATTENTE_B_voitureB8,NB_ATTENTE_B_voitureB9)
-> the formula is 1
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-4 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(NB_ATTENTE_A_voitureA0,NB_ATTENTE_A_voitureA1,NB_ATTENTE_A_voitureA10,NB_ATTENTE_A_voitureA11,NB_ATTENTE_A_voitureA12,NB_ATTENTE_A_voitureA13,NB_ATTENTE_A_voitureA14,NB_ATTENTE_A_voitureA15,NB_ATTENTE_A_voitureA16,NB_ATTENTE_A_voitureA17,NB_ATTENTE_A_voitureA18,NB_ATTENTE_A_voitureA19,NB_ATTENTE_A_voitureA2,NB_ATTENTE_A_voitureA20,NB_ATTENTE_A_voitureA3,NB_ATTENTE_A_voitureA4,NB_ATTENTE_A_voitureA5,NB_ATTENTE_A_voitureA6,NB_ATTENTE_A_voitureA7,NB_ATTENTE_A_voitureA8,NB_ATTENTE_A_voitureA9)
normalized: place_bound(NB_ATTENTE_A_voitureA0,NB_ATTENTE_A_voitureA1,NB_ATTENTE_A_voitureA10,NB_ATTENTE_A_voitureA11,NB_ATTENTE_A_voitureA12,NB_ATTENTE_A_voitureA13,NB_ATTENTE_A_voitureA14,NB_ATTENTE_A_voitureA15,NB_ATTENTE_A_voitureA16,NB_ATTENTE_A_voitureA17,NB_ATTENTE_A_voitureA18,NB_ATTENTE_A_voitureA19,NB_ATTENTE_A_voitureA2,NB_ATTENTE_A_voitureA20,NB_ATTENTE_A_voitureA3,NB_ATTENTE_A_voitureA4,NB_ATTENTE_A_voitureA5,NB_ATTENTE_A_voitureA6,NB_ATTENTE_A_voitureA7,NB_ATTENTE_A_voitureA8,NB_ATTENTE_A_voitureA9)
-> the formula is 1
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-6 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: place_bound(NB_ATTENTE_B_voitureB0,NB_ATTENTE_B_voitureB1,NB_ATTENTE_B_voitureB10,NB_ATTENTE_B_voitureB11,NB_ATTENTE_B_voitureB12,NB_ATTENTE_B_voitureB13,NB_ATTENTE_B_voitureB14,NB_ATTENTE_B_voitureB15,NB_ATTENTE_B_voitureB16,NB_ATTENTE_B_voitureB17,NB_ATTENTE_B_voitureB18,NB_ATTENTE_B_voitureB19,NB_ATTENTE_B_voitureB2,NB_ATTENTE_B_voitureB20,NB_ATTENTE_B_voitureB3,NB_ATTENTE_B_voitureB4,NB_ATTENTE_B_voitureB5,NB_ATTENTE_B_voitureB6,NB_ATTENTE_B_voitureB7,NB_ATTENTE_B_voitureB8,NB_ATTENTE_B_voitureB9)
normalized: place_bound(NB_ATTENTE_B_voitureB0,NB_ATTENTE_B_voitureB1,NB_ATTENTE_B_voitureB10,NB_ATTENTE_B_voitureB11,NB_ATTENTE_B_voitureB12,NB_ATTENTE_B_voitureB13,NB_ATTENTE_B_voitureB14,NB_ATTENTE_B_voitureB15,NB_ATTENTE_B_voitureB16,NB_ATTENTE_B_voitureB17,NB_ATTENTE_B_voitureB18,NB_ATTENTE_B_voitureB19,NB_ATTENTE_B_voitureB2,NB_ATTENTE_B_voitureB20,NB_ATTENTE_B_voitureB3,NB_ATTENTE_B_voitureB4,NB_ATTENTE_B_voitureB5,NB_ATTENTE_B_voitureB6,NB_ATTENTE_B_voitureB7,NB_ATTENTE_B_voitureB8,NB_ATTENTE_B_voitureB9)
-> the formula is 1
FORMULA BridgeAndVehicles-COL-V20P20N10-UpperBounds-12 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
Total processing time: 4m41.407sec
BK_STOP 1464785257357
--------------------
content from stderr:
check for maximal unmarked siphon
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok
initing FirstDep: 0m 0.002sec
2774 6993 12404 17124 22565 28994 33029 36192 36390 36846 37258 37702 38434 39182 39854 41126 43063 48312 54061 58431 61116 98771 99839 101823 103176 103261 103370 103484 103622 103820 104010 104910 104914 104942 104978 105017 105077 105170 120150 127164 127152 127198 127889 131840 144907 154732 172488 193132 205952 286737 286967 287157 287287 287467 287737 288007 288277 303062 303114 303070 303080 303103 303101 303124 303110 303104 303062 302978 302974 302995 303000 303014 303032 303083 309968 310042 310094 310144 310468 316340 321038 331344 338700 352270 368364 417479 421837 421225 419967 420171 420238 420284 420316 420341 420359 420400 430284 432504 432258 432177 431664 434872 432016 436720 434704 432016 441448 441362 440696 438772 436722 436828 436927 436936 436993 436985 436991 436899 434547 435203 435545 436929 438697 438343 441983 442711 438343 443023 446395 450581 449531 447151 446519 446695 446750 446796 446837 446885 446904 446723 450323 450485 450629 451573 453865 454585 451705 455545 455545 456025 460297 459109 457525 456235 456441 456471 456542 456567 456601 456627 456514 460357 460522 460666 461450 461330 463970 461330 461330 464410 464384 468254 467138 465030 464470 464631 464673 464713 464748 464779 464801 464666 468874 469045 469270 469940 471344 469424 469424 471944 472384 471046 474500 472992 471368 471468 471525 471568 471603 471634 471668 471635 476169 476103 476268 476291 477521 478025 476225 476225 476225 477121 480311 479501 477665 477177 477309 477352 477386 477441 477447 477454 477365 482142 482246 482543 483003 481947 481947 483483 483227 482055 485151 484251 482551 482073 482227 482260 482304 482317 482339 482349 482283 487292 487328 486900 487620 487900 486780 486780 486780 486270 488974 488284 486720 486304 486414 486451 486479 486526 486526 486527 486484 491638 491671 490920 490170 490170 491010 490818 490434 488436 490621 489529 488353 488404 488323 488310 488293 488271 488235 488214 483493 483226 483115 483368 483010 483768 483764 483032 483968 484124 483396 485240 484408 483536 483580 483517 483504 483487 483465 483429 483403 478461 478309 478205 478209 478553 478719 478149 478773 478689 478163 479646 479211 478395 478185 478204 478174 478192 478138 478113 478073 478036 473784 473680 473566 473748 473822 473492 473492 473772 473186 474092 473852 473308 473172 473179 473157 473141 473121 473087 473056 473019 469465 469417 469261 469241 469129 469129 469255 469196 469141 469059 468851 468637 468644 468619 468586 468601 468539 468511 468478 466122 465795 465561 464750 464972 464860 464660 465108 465060 463378 464350 464152 463672 463384 463395 463384 463384 463384 463384 463419 463396 462854 462836 462922 462903 462768 462768 462960 462928 462716 463208 463064 462872 462728 462735 462721 462714 462681 462656 462616 462579 459191 459103 458926 458887 458822 458822 458822 458842 458543 458474 458390 458287 458267 458257 458243 458266 458243 458243 458249 459040 458840 458704 458266 458158 458359 458390 458152 458152 457415 457862 457686 457470 457414 457412 457412 457412 457429 457412 457412 457412 457095 457125 457115 457142 457115 457067 457067 457101 457288 457232 457148 457048 457004 457011 456983 456964 456941 456903 456874 454326 454046 453930 453320 453323 453138 453124 453304 453272 451812 452216 452002 451802 451768 451753 451753 451753 451753 451753 451756 452559 452352 452245 451861 451892 451801 451797 451797 451889 451304 451268 451164 451070 451035 451029 451020 451035 451020 451020 451023 451672 451498 451082 451000 450996 451089 451085 451068 450270 450504 450456 450336 450276 450238 450231 450231 450231 450231 450254 450237 450693 450525 450141 450135 450212 450212 450196 450123 449431 449636 449564 449441 449400 449394 449405 449394 449394 449415 449394 446957 446759 446407 446331 446267 446241 446291 446255 445350 445535 445451 445303 445289 1071798 1286348 1360582
iterations count:558285 (1018), effective:9187 (16)
initing FirstDep: 0m 0.001sec
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="S_BridgeAndVehicles-COL-V20P20N10"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="marcie"
export BK_RESULT_DIR="/users/gast00/fkordon/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/S_BridgeAndVehicles-COL-V20P20N10.tgz
mv S_BridgeAndVehicles-COL-V20P20N10 execution
# this is for BenchKit: explicit launching of the test
cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-2979"
echo " Executing tool marcie"
echo " Input is S_BridgeAndVehicles-COL-V20P20N10, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 1"
echo " Run identifier is r173kn-ebro-146433144900119"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '
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 ;