About the Execution of ITS-Tools for Kanban-PT-0020
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
359.390 | 4547.00 | 8211.00 | 144.00 | FTTTTTFTFTFFFTTT | 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 itstools
Input is Kanban-PT-0020, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r061kn-blw3-146358895300120
=====================================================================
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME Kanban-PT-0020-CTLCardinality-0
FORMULA_NAME Kanban-PT-0020-CTLCardinality-1
FORMULA_NAME Kanban-PT-0020-CTLCardinality-10
FORMULA_NAME Kanban-PT-0020-CTLCardinality-11
FORMULA_NAME Kanban-PT-0020-CTLCardinality-12
FORMULA_NAME Kanban-PT-0020-CTLCardinality-13
FORMULA_NAME Kanban-PT-0020-CTLCardinality-14
FORMULA_NAME Kanban-PT-0020-CTLCardinality-15
FORMULA_NAME Kanban-PT-0020-CTLCardinality-2
FORMULA_NAME Kanban-PT-0020-CTLCardinality-3
FORMULA_NAME Kanban-PT-0020-CTLCardinality-4
FORMULA_NAME Kanban-PT-0020-CTLCardinality-5
FORMULA_NAME Kanban-PT-0020-CTLCardinality-6
FORMULA_NAME Kanban-PT-0020-CTLCardinality-7
FORMULA_NAME Kanban-PT-0020-CTLCardinality-8
FORMULA_NAME Kanban-PT-0020-CTLCardinality-9
=== Now, execution of the tool begins
BK_START 1463941125180
its-ctl command run as :
/home/mcc/BenchKit/eclipse/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201605191313/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLCardinality.gal -t CGAL -ctl /home/mcc/execution/CTLCardinality.ctl
No direction supplied, using forward translation only.
Parsed 16 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,8.05422e+11,0.534462,18968,2,277,5,101667,6,0,83,106442,0
Converting to forward existential form...Done !
original formula: !(EF((P2>=3 * (Pm1>=3 + P2<=Pout1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * (P2>=3 * (Pm1>=3 + P2<=Pout1)))] = FALSE
Checking (exact) 0 :[(FwdU(Init,TRUE) * (P2>=3 * (Pm1>=3 + P2<=Pout1)))] = FALSE
Checking (exact) 0 :(FwdU(Init,TRUE) * (P2>=3 * (Pm1>=3 + P2<=Pout1)))
Checking (exact) 1 :(P2>=3 * (Pm1>=3 + P2<=Pout1))
Checking (exact) 1 :(Pm1>=3 + P2<=Pout1)
Checking (exact) 1 :FwdU(Init,TRUE)
Checking (exact) 1 :Init
(forward)formula 0,0,0.548176,19052,1,0,11,101667,13,3,188,106442,3
FORMULA Kanban-PT-0020-CTLCardinality-0 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: !(EF(AG(Pm3<=Pback2)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !(Pm3<=Pback2))))] = FALSE
Checking (exact) 0 :[(FwdU(Init,TRUE) * !(E(TRUE U !(Pm3<=Pback2))))] = FALSE
Checking (exact) 0 :(FwdU(Init,TRUE) * !(E(TRUE U !(Pm3<=Pback2))))
Checking (exact) 1 :!(E(TRUE U !(Pm3<=Pback2)))
Checking (exact) 1 :E(TRUE U !(Pm3<=Pback2))
(forward)formula 1,1,0.605418,19064,1,0,12,101667,21,3,739,106442,8
FORMULA Kanban-PT-0020-CTLCardinality-1 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: !(EF(AF(P3<=Pback2)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EG(!(P3<=Pback2))))] = FALSE
Checking (exact) 0 :[(FwdU(Init,TRUE) * !(EG(!(P3<=Pback2))))] = FALSE
Checking (exact) 0 :(FwdU(Init,TRUE) * !(EG(!(P3<=Pback2))))
Checking (exact) 1 :!(EG(!(P3<=Pback2)))
Checking (exact) 1 :EG(!(P3<=Pback2))
Checking (exact) 1 :FwdU(Init,TRUE)
Checking (exact) 1 :Init
(forward)formula 2,0,0.623797,19064,1,0,14,101667,31,5,782,106442,12
FORMULA Kanban-PT-0020-CTLCardinality-2 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: AG(EF((Pback3<=P3 * P1>=3)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (Pback3<=P3 * P1>=3))))] = FALSE
Checking (exact) 0 :[(FwdU(Init,TRUE) * !(E(TRUE U (Pback3<=P3 * P1>=3))))] = FALSE
Checking (exact) 0 :(FwdU(Init,TRUE) * !(E(TRUE U (Pback3<=P3 * P1>=3))))
Checking (exact) 1 :!(E(TRUE U (Pback3<=P3 * P1>=3)))
Checking (exact) 1 :E(TRUE U (Pback3<=P3 * P1>=3))
(forward)formula 3,1,0.63104,19064,1,0,15,101667,35,5,826,106442,15
FORMULA Kanban-PT-0020-CTLCardinality-3 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: E(EG(TRUE) U AG(P1<=P4))
=> equivalent forward existential formula: [(FwdU(Init,EG(TRUE)) * !(E(TRUE U !(P1<=P4))))] != FALSE
Checking (exact) 0 :[(FwdU(Init,EG(TRUE)) * !(E(TRUE U !(P1<=P4))))] != FALSE
Checking (exact) 0 :(FwdU(Init,EG(TRUE)) * !(E(TRUE U !(P1<=P4))))
Checking (exact) 1 :!(E(TRUE U !(P1<=P4)))
Checking (exact) 1 :E(TRUE U !(P1<=P4))
(forward)formula 4,0,0.647764,19064,1,0,16,101667,37,5,869,106442,18
FORMULA Kanban-PT-0020-CTLCardinality-4 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: AG((!(Pback1<=P3) + !((Pout2>=1 * Pout1>=3))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !((!(Pback1<=P3) + !((Pout2>=1 * Pout1>=3)))))] = FALSE
Checking (exact) 0 :[(FwdU(Init,TRUE) * !((!(Pback1<=P3) + !((Pout2>=1 * Pout1>=3)))))] = FALSE
Checking (exact) 0 :(FwdU(Init,TRUE) * !((!(Pback1<=P3) + !((Pout2>=1 * Pout1>=3)))))
Checking (exact) 1 :!((!(Pback1<=P3) + !((Pout2>=1 * Pout1>=3))))
Checking (exact) 1 :FwdU(Init,TRUE)
Checking (exact) 1 :Init
(forward)formula 5,0,0.662003,19064,1,0,19,101667,46,7,920,106442,19
FORMULA Kanban-PT-0020-CTLCardinality-5 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: EX(AG((Pback2<=P4 + Pout4<=Pout3)))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U !((Pback2<=P4 + Pout4<=Pout3)))))] != FALSE
Checking (exact) 0 :[(EY(Init) * !(E(TRUE U !((Pback2<=P4 + Pout4<=Pout3)))))] != FALSE
Checking (exact) 0 :(EY(Init) * !(E(TRUE U !((Pback2<=P4 + Pout4<=Pout3)))))
Checking (exact) 1 :!(E(TRUE U !((Pback2<=P4 + Pout4<=Pout3))))
Checking (exact) 1 :E(TRUE U !((Pback2<=P4 + Pout4<=Pout3)))
(forward)formula 6,0,1.22245,24388,1,0,20,105140,50,7,1007,106442,22
FORMULA Kanban-PT-0020-CTLCardinality-6 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: (EG(Pm4>=1) + AF(EF(Pback2>=3)))
=> equivalent forward existential formula: [FwdG((Init * !(EG(Pm4>=1))),!(E(TRUE U Pback2>=3)))] = FALSE
Checking (exact) 0 :[FwdG((Init * !(EG(Pm4>=1))),!(E(TRUE U Pback2>=3)))] = FALSE
Checking (exact) 0 :FwdG((Init * !(EG(Pm4>=1))),!(E(TRUE U Pback2>=3)))
Checking (exact) 1 :(Init * !(EG(Pm4>=1)))
Checking (exact) 1 :!(EG(Pm4>=1))
Checking (exact) 1 :EG(Pm4>=1)
Checking (exact) 1 :Init
Checking (exact) 1 :!(E(TRUE U Pback2>=3))
Checking (exact) 1 :E(TRUE U Pback2>=3)
(forward)formula 7,1,1.23849,24828,1,0,23,107420,62,9,1011,106442,27
FORMULA Kanban-PT-0020-CTLCardinality-7 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: AG(EF((Pout1>=2 + Pback3<=Pback4)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (Pout1>=2 + Pback3<=Pback4))))] = FALSE
Checking (exact) 0 :[(FwdU(Init,TRUE) * !(E(TRUE U (Pout1>=2 + Pback3<=Pback4))))] = FALSE
Checking (exact) 0 :(FwdU(Init,TRUE) * !(E(TRUE U (Pout1>=2 + Pback3<=Pback4))))
Checking (exact) 1 :!(E(TRUE U (Pout1>=2 + Pback3<=Pback4)))
Checking (exact) 1 :E(TRUE U (Pout1>=2 + Pback3<=Pback4))
(forward)formula 8,1,1.27606,26016,1,0,24,114110,65,9,1054,112013,30
FORMULA Kanban-PT-0020-CTLCardinality-8 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: EF(Pout1>=3)
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * Pout1>=3)] != FALSE
Checking (exact) 0 :[(FwdU(Init,TRUE) * Pout1>=3)] != FALSE
Checking (exact) 0 :(FwdU(Init,TRUE) * Pout1>=3)
Checking (exact) 1 :Pout1>=3
Checking (exact) 1 :FwdU(Init,TRUE)
Checking (exact) 1 :Init
(forward)formula 9,1,1.27709,26276,1,0,26,114290,65,10,1054,112222,31
FORMULA Kanban-PT-0020-CTLCardinality-9 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: EF(A(Pout4<=Pm4 U P3<=Pm1))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * !(EG(!(P3<=Pm1)))) * !(E(!(P3<=Pm1) U (!(Pout4<=Pm4) * !(P3<=Pm1)))))] != FALSE
Checking (exact) 0 :[((FwdU(Init,TRUE) * !(EG(!(P3<=Pm1)))) * !(E(!(P3<=Pm1) U (!(Pout4<=Pm4) * !(P3<=Pm1)))))] != FALSE
Checking (exact) 0 :((FwdU(Init,TRUE) * !(EG(!(P3<=Pm1)))) * !(E(!(P3<=Pm1) U (!(Pout4<=Pm4) * !(P3<=Pm1)))))
Checking (exact) 1 :!(E(!(P3<=Pm1) U (!(Pout4<=Pm4) * !(P3<=Pm1))))
Checking (exact) 1 :E(!(P3<=Pm1) U (!(Pout4<=Pm4) * !(P3<=Pm1)))
Hit Full ! (commute/partial/dont) 11/0/5
Checking (exact) 1 :(FwdU(Init,TRUE) * !(EG(!(P3<=Pm1))))
Checking (exact) 1 :!(EG(!(P3<=Pm1)))
Checking (exact) 1 :EG(!(P3<=Pm1))
Checking (exact) 1 :FwdU(Init,TRUE)
Checking (exact) 1 :Init
(forward)formula 10,1,1.37409,29308,1,0,31,130540,78,14,1165,134810,36
FORMULA Kanban-PT-0020-CTLCardinality-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: (P1>=1 * AG(EF(Pout1<=Pout2)))
=> equivalent forward existential formula: ([(Init * !(P1>=1))] = FALSE * [(FwdU(Init,TRUE) * !(E(TRUE U Pout1<=Pout2)))] = FALSE)
Checking (exact) 0 :([(Init * !(P1>=1))] = FALSE * [(FwdU(Init,TRUE) * !(E(TRUE U Pout1<=Pout2)))] = FALSE)
Checking (exact) 1 :[(FwdU(Init,TRUE) * !(E(TRUE U Pout1<=Pout2)))] = FALSE
Checking (exact) 0 :(FwdU(Init,TRUE) * !(E(TRUE U Pout1<=Pout2)))
Checking (exact) 1 :!(E(TRUE U Pout1<=Pout2))
Checking (exact) 1 :E(TRUE U Pout1<=Pout2)
Checking (exact) 1 :[(Init * !(P1>=1))] = FALSE
Checking (exact) 0 :(Init * !(P1>=1))
(forward)formula 11,1,1.41097,30564,1,0,33,134795,81,14,1208,138715,40
FORMULA Kanban-PT-0020-CTLCardinality-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: (!(AG((P3>=3 + Pm1>=3))) * Pout3<=P1)
=> equivalent forward existential formula: [(FwdU((Init * Pout3<=P1),TRUE) * !((P3>=3 + Pm1>=3)))] != FALSE
Checking (exact) 0 :[(FwdU((Init * Pout3<=P1),TRUE) * !((P3>=3 + Pm1>=3)))] != FALSE
Checking (exact) 0 :(FwdU((Init * Pout3<=P1),TRUE) * !((P3>=3 + Pm1>=3)))
Checking (exact) 1 :!((P3>=3 + Pm1>=3))
Checking (exact) 1 :FwdU((Init * Pout3<=P1),TRUE)
Checking (exact) 1 :(Init * Pout3<=P1)
(forward)formula 12,1,1.98113,44432,1,0,36,228843,86,16,1231,240260,44
FORMULA Kanban-PT-0020-CTLCardinality-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: (E(!(Pout3>=3) U FALSE) + AG(AG(P3<=P2)))
=> equivalent forward existential formula: [(FwdU(FwdU((Init * !(E(!(Pout3>=3) U FALSE))),TRUE),TRUE) * !(P3<=P2))] = FALSE
Checking (exact) 0 :[(FwdU(FwdU((Init * !(E(!(Pout3>=3) U FALSE))),TRUE),TRUE) * !(P3<=P2))] = FALSE
Checking (exact) 0 :(FwdU(FwdU((Init * !(E(!(Pout3>=3) U FALSE))),TRUE),TRUE) * !(P3<=P2))
(forward)formula 13,1,1.98151,44436,1,0,36,228843,88,16,1272,240260,44
FORMULA Kanban-PT-0020-CTLCardinality-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: !(EF(AX(Pback2>=3)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EX(!(Pback2>=3))))] = FALSE
Checking (exact) 0 :[(FwdU(Init,TRUE) * !(EX(!(Pback2>=3))))] = FALSE
Checking (exact) 0 :(FwdU(Init,TRUE) * !(EX(!(Pback2>=3))))
Checking (exact) 1 :!(EX(!(Pback2>=3)))
Checking (exact) 1 :EX(!(Pback2>=3))
Checking (exact) 1 :FwdU(Init,TRUE)
Checking (exact) 1 :Init
(forward)formula 14,0,1.995,44720,1,0,39,231789,89,18,1273,243653,46
FORMULA Kanban-PT-0020-CTLCardinality-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: EX(EF((Pm1>=2 * Pout2>=2)))
=> equivalent forward existential formula: [(FwdU(EY(Init),TRUE) * (Pm1>=2 * Pout2>=2))] != FALSE
Checking (exact) 0 :[(FwdU(EY(Init),TRUE) * (Pm1>=2 * Pout2>=2))] != FALSE
Checking (exact) 0 :(FwdU(EY(Init),TRUE) * (Pm1>=2 * Pout2>=2))
Checking (exact) 1 :(Pm1>=2 * Pout2>=2)
Checking (exact) 1 :Pout2>=2
Checking (exact) 1 :FwdU(EY(Init),TRUE)
Checking (exact) 1 :EY(Init)
Checking (exact) 1 :Init
(forward)formula 15,1,1.99782,45256,1,0,44,232327,93,20,1276,244025,51
FORMULA Kanban-PT-0020-CTLCardinality-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
BK_STOP 1463941129727
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution CTLCardinality -its
+ ulimit -s 65536
+ java -Dosgi.requiredJavaVersion=1.6 -XX:MaxPermSize=512m -Xss8m -Xms40m -Xmx8192m -Declipse.pde.launch=true -Dfile.encoding=UTF-8 -classpath /home/mcc/BenchKit//eclipse/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar org.eclipse.equinox.launcher.Main -application fr.lip6.move.gal.application.pnmcc -data /home/mcc/BenchKit//workspace -os linux -ws gtk -arch x86_64 -nl en_US -consoleLog -pnfolder /home/mcc/execution -examination CTLCardinality -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=512m; support was removed in 8.0
May 22, 2016 6:18:47 PM fr.lip6.move.gal.application.Application transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
May 22, 2016 6:18:47 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 20 ms
May 22, 2016 6:18:47 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 16 places.
May 22, 2016 6:18:47 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 16 transitions.
May 22, 2016 6:18:47 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 35 ms
May 22, 2016 6:18:47 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/CTLCardinality.gal : 7 ms
May 22, 2016 6:18:47 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSCTLTools
INFO: Time to serialize properties into /home/mcc/execution/CTLCardinality.ctl : 1 ms
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="Kanban-PT-0020"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/home/hulinhub/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/Kanban-PT-0020.tgz
mv Kanban-PT-0020 execution
# this is for BenchKit: explicit launching of the test
cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-2979"
echo " Executing tool itstools"
echo " Input is Kanban-PT-0020, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r061kn-blw3-146358895300120"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 ;