Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2020-input.r096-oct2-158940145000388.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2020-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is JoinFreeModules-PT-0003, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-oct2-158940145000388
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 192K
-rw-r--r-- 1 mcc users 3.2K Apr 7 18:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 16K Apr 7 18:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Apr 6 20:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 6 20:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.7K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.2K Apr 14 12:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Apr 14 12:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 6 04:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 6 04:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 5 10:36 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 5 10:36 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 6 20:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 6 20:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 18K Mar 24 05:37 model.pnml

--------------------
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 JoinFreeModules-PT-0003-CTLFireability-00
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-01
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-02
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-03
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-04
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-05
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-06
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-07
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-08
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-09
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-10
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-11
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-12
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-13
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-14
FORMULA_NAME JoinFreeModules-PT-0003-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1589574047512

[2020-05-15 20:20:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2020-05-15 20:20:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-15 20:20:50] [INFO ] Load time of PNML (sax parser for PT used): 26 ms
[2020-05-15 20:20:50] [INFO ] Transformed 16 places.
[2020-05-15 20:20:50] [INFO ] Transformed 25 transitions.
[2020-05-15 20:20:50] [INFO ] Parsed PT model containing 16 places and 25 transitions in 58 ms.
Reduce places removed 1 places and 0 transitions.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 14 ms.
Incomplete random walk after 100001 steps, including 0 resets, run finished after 127 ms. (steps per millisecond=787 ) properties seen :[1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 25 rows 15 cols
[2020-05-15 20:20:50] [INFO ] Computed 3 place invariants in 2 ms
[2020-05-15 20:20:50] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned unsat
[2020-05-15 20:20:50] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2020-05-15 20:20:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-15 20:20:50] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2020-05-15 20:20:50] [INFO ] Solution in real domain found non-integer solution.
[2020-05-15 20:20:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 17 ms returned sat
[2020-05-15 20:20:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-15 20:20:50] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2020-05-15 20:20:50] [INFO ] Deduced a trap composed of 3 places in 36 ms
[2020-05-15 20:20:50] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 46 ms
[2020-05-15 20:20:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned unsat
Successfully simplified 3 atomic propositions for a total of 3 simplifications.
[2020-05-15 20:20:51] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2020-05-15 20:20:51] [INFO ] Flatten gal took : 19 ms
[2020-05-15 20:20:51] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2020-05-15 20:20:51] [INFO ] Flatten gal took : 4 ms
FORMULA JoinFreeModules-PT-0003-CTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0003-CTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0003-CTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0003-CTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-05-15 20:20:51] [INFO ] Applying decomposition
[2020-05-15 20:20:51] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/convert-linux64, -i, /tmp/graph7538238078634331598.txt, -o, /tmp/graph7538238078634331598.bin, -w, /tmp/graph7538238078634331598.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/louvain-linux64, /tmp/graph7538238078634331598.bin, -l, -1, -v, -w, /tmp/graph7538238078634331598.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-15 20:20:51] [INFO ] Decomposing Gal with order
[2020-05-15 20:20:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-15 20:20:51] [INFO ] Flatten gal took : 19 ms
[2020-05-15 20:20:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2020-05-15 20:20:51] [INFO ] Time to serialize gal into /home/mcc/execution/CTLFireability.pnml.gal : 2 ms
[2020-05-15 20:20:51] [INFO ] Time to serialize properties into /home/mcc/execution/CTLFireability.ctl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLFireability.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLFireability.ctl], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLFireability.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLFireability.ctl
No direction supplied, using forward translation only.
Parsed 12 CTL formulae.
built 1 ordering constraints for composite.
built 2 ordering constraints for composite.
built 2 ordering constraints for composite.
built 2 ordering constraints for composite.
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,35937,0.00939,4400,32,29,245,191,74,264,45,389,0


Converting to forward existential form...Done !
original formula: AG((EF((i2.u4.p11<3)) + AF(((i0.u0.p3>=2)&&(i0.u0.p2>=2)))))
=> equivalent forward existential formula: [FwdG((FwdU(Init,TRUE) * !(E(TRUE U (i2.u4.p11<3)))),!(((i0.u0.p3>=2)&&(i0.u0.p2>=2))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions i0.t3, i0.u0.t2, i1.t11, i1.u2.t10, i2.t19, i2.u5.t18, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :0/19/6/25
Fast SCC detection found an SCC at level 1
Fast SCC detection found an SCC at level 2
(forward)formula 0,1,0.014866,5104,1,0,530,417,348,853,189,1018,770
FORMULA JoinFreeModules-PT-0003-CTLFireability-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: EF(!(EF((i1.u3.p9<4))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (i1.u3.p9<4))))] != FALSE
(forward)formula 1,0,0.015178,5104,1,0,537,421,351,863,190,1027,790
FORMULA JoinFreeModules-PT-0003-CTLFireability-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: E((i2.u5.p13>=1) U AG((i1.u3.p6>=3)))
=> equivalent forward existential formula: [(FwdU(Init,(i2.u5.p13>=1)) * !(E(TRUE U !((i1.u3.p6>=3)))))] != FALSE
(forward)formula 2,0,0.015411,5104,1,0,542,421,356,873,190,1036,801
FORMULA JoinFreeModules-PT-0003-CTLFireability-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: EF(EG((i2.u4.p15>=5)))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),(i2.u4.p15>=5))] != FALSE
(forward)formula 3,1,0.016058,5104,1,0,570,440,404,915,195,1084,980
FORMULA JoinFreeModules-PT-0003-CTLFireability-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: AX(!(AG((i1.u3.p6<5))))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U !((i1.u3.p6<5)))))] = FALSE
(forward)formula 4,1,0.018164,5104,1,0,846,468,410,1327,196,1168,1435
FORMULA JoinFreeModules-PT-0003-CTLFireability-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: EF(((AG((i2.u4.p14>=4)) * (i2.u4.p11>=3)) * ((i1.u2.p7>=2)||(i0.u1.p1>=3))))
=> equivalent forward existential formula: [(((FwdU(Init,TRUE) * ((i1.u2.p7>=2)||(i0.u1.p1>=3))) * (i2.u4.p11>=3)) * !(E(TRUE U !((i2.u4.p14>=4)))))] != FALSE
(forward)formula 5,0,0.018499,5368,1,0,850,468,415,1327,196,1168,1453
FORMULA JoinFreeModules-PT-0003-CTLFireability-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: (AG((((i1.u3.p6<5)||(i1.u3.p6<3))&&(((i1.u2.p8>=2)||(i1.u3.p9>=4))||(i1.u3.p6>=5)))) + AG(((i2.u4.p11<5)||(i2.u4.p14>=4))))
=> equivalent forward existential formula: [(FwdU((Init * !(!(E(TRUE U !((((i1.u3.p6<5)||(i1.u3.p6<3))&&(((i1.u2.p8>=2)||(i1.u3.p9>=4))||(i1.u3.p6>=5)))))))),TRUE) * !(((i2.u4.p11<5)||(i2.u4.p14>=4))))] = FALSE
(forward)formula 6,0,0.020538,5368,1,0,966,502,467,1471,200,1284,1806
FORMULA JoinFreeModules-PT-0003-CTLFireability-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: !(E(((i1.u2.p7<2)&&(i2.u4.p14<3)) U ((((i1.u3.p6>=3)&&(i0.u1.p1>=5))&&(i2.u5.p13>=1))&&(i2.u4.p15>=5))))
=> equivalent forward existential formula: [(FwdU(Init,((i1.u2.p7<2)&&(i2.u4.p14<3))) * ((((i1.u3.p6>=3)&&(i0.u1.p1>=5))&&(i2.u5.p13>=1))&&(i2.u4.p15>=5)))] = FALSE
(forward)formula 7,1,0.023956,5368,1,0,1402,552,500,2282,201,1627,2540
FORMULA JoinFreeModules-PT-0003-CTLFireability-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: (!(EF((((i1.u3.p9>=3)&&(i0.u0.p2>=2))&&(i0.u0.p2>=2)))) + E(((i2.u4.p15<5)&&(i2.u4.p11<5)) U ((i1.u3.p6>=3)&&(i2.u4.p11>=5))))
=> equivalent forward existential formula: [(FwdU((Init * !(E(((i2.u4.p15<5)&&(i2.u4.p11<5)) U ((i1.u3.p6>=3)&&(i2.u4.p11>=5))))),TRUE) * (((i1.u3.p9>=3)&&(i0.u0.p2>=2))&&(i0.u0.p2>=2)))] = FALSE
(forward)formula 8,1,0.029941,5896,1,0,2055,638,532,3480,206,1946,3306
FORMULA JoinFreeModules-PT-0003-CTLFireability-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: AG(EF((((i1.u3.p6>=3)&&(i0.u1.p4>=4))&&(i1.u2.p8<2))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((i1.u3.p6>=3)&&(i0.u1.p4>=4))&&(i1.u2.p8<2)))))] = FALSE
(forward)formula 9,1,0.032559,5896,1,0,2366,682,543,4025,206,2045,3747
FORMULA JoinFreeModules-PT-0003-CTLFireability-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: AG(((i1.u3.p6<5)||(i0.u1.p4<3)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(((i1.u3.p6<5)||(i0.u1.p4<3))))] = FALSE
(forward)formula 10,0,0.033219,6424,1,0,2386,695,547,4079,206,2097,3761
FORMULA JoinFreeModules-PT-0003-CTLFireability-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: EF((((i1.u3.p6>=5) * EF((i0.u0.p2>=2))) * (((i1.u3.p6>=3)||(i1.u2.p8>=2))||(i1.u3.p9>=4))))
=> equivalent forward existential formula: [(FwdU(((FwdU(Init,TRUE) * (((i1.u3.p6>=3)||(i1.u2.p8>=2))||(i1.u3.p9>=4))) * (i1.u3.p6>=5)),TRUE) * (i0.u0.p2>=2))] != FALSE
(forward)formula 11,1,0.033977,6424,1,0,2428,698,553,4139,207,2123,3896
FORMULA JoinFreeModules-PT-0003-CTLFireability-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************


BK_STOP 1589574051985

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution CTLFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination CTLFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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="JoinFreeModules-PT-0003"
export BK_EXAMINATION="CTLFireability"
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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool itstools"
echo " Input is JoinFreeModules-PT-0003, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r096-oct2-158940145000388"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0003.tgz
mv JoinFreeModules-PT-0003 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;