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 2-3254
Executing tool itstools
Input is S_Raft-PT-02, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r150-csrt-149443434600005
=====================================================================

--------------------
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 Raft-PT-02-LTLCardinality-0
FORMULA_NAME Raft-PT-02-LTLCardinality-1
FORMULA_NAME Raft-PT-02-LTLCardinality-10
FORMULA_NAME Raft-PT-02-LTLCardinality-11
FORMULA_NAME Raft-PT-02-LTLCardinality-12
FORMULA_NAME Raft-PT-02-LTLCardinality-13
FORMULA_NAME Raft-PT-02-LTLCardinality-14
FORMULA_NAME Raft-PT-02-LTLCardinality-15
FORMULA_NAME Raft-PT-02-LTLCardinality-2
FORMULA_NAME Raft-PT-02-LTLCardinality-3
FORMULA_NAME Raft-PT-02-LTLCardinality-4
FORMULA_NAME Raft-PT-02-LTLCardinality-5
FORMULA_NAME Raft-PT-02-LTLCardinality-6
FORMULA_NAME Raft-PT-02-LTLCardinality-7
FORMULA_NAME Raft-PT-02-LTLCardinality-8
FORMULA_NAME Raft-PT-02-LTLCardinality-9

=== Now, execution of the tool begins

BK_START 1496650756148


Using solver YICES2 to compute partial order matrices.
Built C files in :
/home/mcc/execution
its-ltl command run as :

/home/mcc/BenchKit/eclipse/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201705302212/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLCardinality.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLCardinality.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !((F(X(("u6.p25>=1")U(("u5.p21==0")||("u4.p18==1"))))))
Formula 0 simplified : !FX("u6.p25>=1" U ("u4.p18==1" | "u5.p21==0"))
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
1 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.044679,23516,1,0,838,189,455,856,190,591,2074
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-0 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 1 : !(((F("u1.p2>=1"))U(("u2.p10==0")||("u2.p6==1"))))
Formula 1 simplified : !(F"u1.p2>=1" U ("u2.p6==1" | "u2.p10==0"))
1 unique states visited
0 strongly connected components in search stack
0 transitions explored
1 items max in DFS search stack
0 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.046553,23840,1,0,838,189,475,856,197,591,2089
no accepting run found
Formula 1 is TRUE no accepting run found.
FORMULA Raft-PT-02-LTLCardinality-1 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 2 : !(("u1.p2>=2"))
Formula 2 simplified : !"u1.p2>=2"
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
1 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.049074,23976,1,0,932,191,509,993,199,644,2356
an accepting run exists (use option '-e' to print it)
Formula 2 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-2 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 3 : !((F(F(G(G(("u6.p27==0")||("u7.p0==1")))))))
Formula 3 simplified : !FG("u6.p27==0" | "u7.p0==1")
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
1 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.059742,24188,1,0,1610,193,538,1708,199,726,3900
an accepting run exists (use option '-e' to print it)
Formula 3 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-3 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 4 : !((X((G("u2.p6>=1"))U("u7.p0>=2"))))
Formula 4 simplified : !X(G"u2.p6>=1" U "u7.p0>=2")
4 unique states visited
4 strongly connected components in search stack
4 transitions explored
4 items max in DFS search stack
0 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.061601,24900,1,0,1616,193,552,1719,202,726,3953
an accepting run exists (use option '-e' to print it)
Formula 4 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-4 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 5 : !((G(G(("u3.p14==0")||("u4.p17==1")))))
Formula 5 simplified : !G("u3.p14==0" | "u4.p17==1")
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
1 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.07005,25156,1,0,2113,195,581,2326,206,820,5361
an accepting run exists (use option '-e' to print it)
Formula 5 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-5 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 6 : !((("u4.p20==0")||("u6.p26==1")))
Formula 6 simplified : !("u4.p20==0" | "u6.p26==1")
1 unique states visited
0 strongly connected components in search stack
0 transitions explored
1 items max in DFS search stack
0 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.070604,25156,1,0,2113,195,589,2326,206,820,5370
no accepting run found
Formula 6 is TRUE no accepting run found.
FORMULA Raft-PT-02-LTLCardinality-6 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 7 : !((("u7.p0==0")||("u3.p12==1")))
Formula 7 simplified : !("u3.p12==1" | "u7.p0==0")
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
0 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.071087,25208,1,0,2113,195,597,2326,206,820,5379
an accepting run exists (use option '-e' to print it)
Formula 7 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-7 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 8 : !((("u7.p0==0")||("u2.p7==1")))
Formula 8 simplified : !("u2.p7==1" | "u7.p0==0")
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
0 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.071564,25208,1,0,2113,195,603,2326,206,820,5387
an accepting run exists (use option '-e' to print it)
Formula 8 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-8 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 9 : !(((X(("u1.p3==0")||("u3.p13==1")))U(F(G("u2.p6>=2")))))
Formula 9 simplified : !(X("u1.p3==0" | "u3.p13==1") U FG"u2.p6>=2")
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
0 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.076312,25416,1,0,2266,195,628,2529,206,823,5991
an accepting run exists (use option '-e' to print it)
Formula 9 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-9 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 10 : !((G(G(X(("u6.p26==0")||("u4.p16==1"))))))
Formula 10 simplified : !GX("u4.p16==1" | "u6.p26==0")
4 unique states visited
4 strongly connected components in search stack
4 transitions explored
4 items max in DFS search stack
1 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.083495,25732,1,0,2730,197,662,2998,208,875,7085
an accepting run exists (use option '-e' to print it)
Formula 10 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 11 : !((X(X(X(F(("u4.p17==0")||("u7.p0==1")))))))
Formula 11 simplified : !XXXF("u4.p17==0" | "u7.p0==1")
5 unique states visited
5 strongly connected components in search stack
5 transitions explored
5 items max in DFS search stack
0 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.084979,25764,1,0,2766,197,685,3054,208,881,7255
an accepting run exists (use option '-e' to print it)
Formula 11 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 12 : !((((("u2.p7==0")||("u1.p4==1"))U("u2.p6>=2"))U(F(F("u4.p16>=3")))))
Formula 12 simplified : !((("u1.p4==1" | "u2.p7==0") U "u2.p6>=2") U F"u4.p16>=3")
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
1 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.090163,26032,1,0,3068,197,703,3451,210,894,8094
an accepting run exists (use option '-e' to print it)
Formula 12 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 13 : !((X(("u3.p12==0")||("u4.p18==1"))))
Formula 13 simplified : !X("u3.p12==0" | "u4.p18==1")
2 unique states visited
0 strongly connected components in search stack
1 transitions explored
2 items max in DFS search stack
0 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.090693,26032,1,0,3068,197,708,3451,210,894,8101
no accepting run found
Formula 13 is TRUE no accepting run found.
FORMULA Raft-PT-02-LTLCardinality-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 14 : !((F((G(("u6.p27==0")||("u3.p11==1")))U(G(("u5.p21==0")||("u2.p10==1"))))))
Formula 14 simplified : !F(G("u3.p11==1" | "u6.p27==0") U G("u2.p10==1" | "u5.p21==0"))
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
1 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.101862,26488,1,0,4042,199,757,4491,212,964,10240
an accepting run exists (use option '-e' to print it)
Formula 14 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 15 : !((X((G(("u5.p21==0")||("u7.p0==1")))U(X(("u1.p2==0")||("u6.p26==1"))))))
Formula 15 simplified : !X(G("u5.p21==0" | "u7.p0==1") U X("u1.p2==0" | "u6.p26==1"))
5 unique states visited
5 strongly connected components in search stack
5 transitions explored
5 items max in DFS search stack
0 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.106869,28080,1,0,4137,199,769,4579,212,967,10532
an accepting run exists (use option '-e' to print it)
Formula 15 is FALSE accepting run found.
FORMULA Raft-PT-02-LTLCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 52 rows 28 cols
invariant : -1'u1:p1 + -1'u1:p2 + -1'u1:p3 + -1'u1:p4 + -1'u1:p5 + 1'u3:p11 + 1'u3:p12 + 1'u3:p13 + 1'u3:p14 + 1'u3:p15= 0
invariant : -1'u1:p1 + -1'u1:p2 + -1'u1:p3 + -1'u1:p4 + -1'u1:p5 + 1'u4:p16 + 1'u4:p17 + 1'u4:p18 + 1'u4:p19 + 1'u4:p20= 0
invariant : -1'u1:p1 + -1'u1:p2 + -1'u1:p3 + -1'u1:p4 + -1'u1:p5 + 1'u2:p6 + 1'u2:p7 + 1'u2:p8 + 1'u2:p9 + 1'u2:p10= 0
invariant : 1'u1:p1 + 1'u1:p2 + 1'u1:p3 + 1'u1:p4 + 1'u1:p5 + 1'u7:p0= 1
Exit code :0

BK_STOP 1496650759150

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
+ ulimit -s 65536
+ java -Dosgi.requiredJavaVersion=1.6 -Xss8m -Xms40m -Xmx8192m -Declipse.pde.launch=true -Dfile.encoding=UTF-8 -classpath /home/mcc/BenchKit//eclipse/plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.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 LTLCardinality -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
Jun 05, 2017 8:19:17 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 05, 2017 8:19:17 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 66 ms
Jun 05, 2017 8:19:17 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 28 places.
Jun 05, 2017 8:19:18 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 52 transitions.
Jun 05, 2017 8:19:18 AM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Found NUPN structural information;
Jun 05, 2017 8:19:18 AM fr.lip6.move.gal.application.MccTranslator applyOrder
INFO: Applying decomposition
Jun 05, 2017 8:19:18 AM fr.lip6.move.gal.instantiate.CompositeBuilder decomposeWithOrder
INFO: Decomposing Gal with order
Jun 05, 2017 8:19:18 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 33 ms
Jun 05, 2017 8:19:18 AM fr.lip6.move.gal.instantiate.CompositeBuilder rewriteArraysToAllowPartition
INFO: Rewriting arrays to variables to allow decomposition.
Jun 05, 2017 8:19:18 AM fr.lip6.move.gal.instantiate.Instantiator fuseIsomorphicEffects
INFO: Removed a total of 18 redundant transitions.
Jun 05, 2017 8:19:18 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLCardinality.pnml.gal : 8 ms
Jun 05, 2017 8:19:18 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLCardinality.ltl : 1 ms
Jun 05, 2017 8:19:18 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 4 place invariants in 13 ms
Jun 05, 2017 8:19:18 AM fr.lip6.move.gal.itstools.Runner runTool
INFO: Standard error output from running tool CommandLine [args=[/home/mcc/BenchKit/eclipse/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201705302212/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLCardinality.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLCardinality.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]
built 10 ordering constraints for composite.
Reverse transition relation is NOT exact ! Due to transitions t51, u3.t11, u3.t12, u3.t13, u3.t14, u3.t16, u4.t5, u4.t6, u4.t7, u4.t8, u4.t10, u6.t49, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :10/32/10/52

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_Raft-PT-02"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
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/S_Raft-PT-02.tgz
mv S_Raft-PT-02 execution

# this is for BenchKit: explicit launching of the test

cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-3254"
echo " Executing tool itstools"
echo " Input is S_Raft-PT-02, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r150-csrt-149443434600005"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.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 ;