Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r159-smll-167819445100034.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool gold2022
Input is Diffusion2D-PT-D50N100, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r159-smll-167819445100034
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.7M
-rw-r--r-- 1 mcc users 7.3K Feb 26 04:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Feb 26 04:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Feb 26 04:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 04:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 15:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 15:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 04:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Feb 26 04:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Feb 26 04:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 04:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:59 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 7.3M Mar 5 18:22 model.pnml

--------------------
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 Diffusion2D-PT-D50N100-UpperBounds-00
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-01
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-02
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-03
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-04
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-05
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-06
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-07
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-08
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-09
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-10
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-11
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-12
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-13
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-14
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678465490039

Running Version 202205111006
[2023-03-10 16:24:52] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-10 16:24:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 16:24:53] [INFO ] Load time of PNML (sax parser for PT used): 931 ms
[2023-03-10 16:24:53] [INFO ] Transformed 2500 places.
[2023-03-10 16:24:53] [INFO ] Transformed 19404 transitions.
[2023-03-10 16:24:53] [INFO ] Parsed PT model containing 2500 places and 19404 transitions in 1222 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 150 ms.
// Phase 1: matrix 19404 rows 2500 cols
[2023-03-10 16:24:54] [INFO ] Computed 1 place invariants in 287 ms
Incomplete random walk after 10002 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 16) seen :100
FORMULA Diffusion2D-PT-D50N100-UpperBounds-04 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 15) seen :0
// Phase 1: matrix 19404 rows 2500 cols
[2023-03-10 16:24:54] [INFO ] Computed 1 place invariants in 242 ms
[2023-03-10 16:24:55] [INFO ] [Real]Absence check using 1 positive place invariants in 54 ms returned sat
[2023-03-10 16:24:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:24:59] [INFO ] [Real]Absence check using state equation in 4281 ms returned unknown
[2023-03-10 16:25:00] [INFO ] [Real]Absence check using 1 positive place invariants in 59 ms returned sat
[2023-03-10 16:25:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:25:05] [INFO ] [Real]Absence check using state equation in 4402 ms returned unknown
[2023-03-10 16:25:05] [INFO ] [Real]Absence check using 1 positive place invariants in 40 ms returned sat
[2023-03-10 16:25:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:25:10] [INFO ] [Real]Absence check using state equation in 4523 ms returned unknown
[2023-03-10 16:25:10] [INFO ] [Real]Absence check using 1 positive place invariants in 61 ms returned sat
[2023-03-10 16:25:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:25:15] [INFO ] [Real]Absence check using state equation in 4527 ms returned unknown
[2023-03-10 16:25:15] [INFO ] [Real]Absence check using 1 positive place invariants in 43 ms returned sat
[2023-03-10 16:25:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:25:20] [INFO ] [Real]Absence check using state equation in 4523 ms returned unknown
[2023-03-10 16:25:20] [INFO ] [Real]Absence check using 1 positive place invariants in 40 ms returned sat
[2023-03-10 16:25:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:25:25] [INFO ] [Real]Absence check using state equation in 4435 ms returned unknown
[2023-03-10 16:25:25] [INFO ] [Real]Absence check using 1 positive place invariants in 41 ms returned sat
[2023-03-10 16:25:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:25:30] [INFO ] [Real]Absence check using state equation in 4528 ms returned unknown
[2023-03-10 16:25:30] [INFO ] [Real]Absence check using 1 positive place invariants in 38 ms returned sat
[2023-03-10 16:25:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:25:35] [INFO ] [Real]Absence check using state equation in 4542 ms returned unknown
[2023-03-10 16:25:35] [INFO ] [Real]Absence check using 1 positive place invariants in 40 ms returned sat
[2023-03-10 16:25:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:25:40] [INFO ] [Real]Absence check using state equation in 4616 ms returned unknown
[2023-03-10 16:25:40] [INFO ] [Real]Absence check using 1 positive place invariants in 41 ms returned sat
[2023-03-10 16:25:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:25:45] [INFO ] [Real]Absence check using state equation in 4554 ms returned unknown
[2023-03-10 16:25:45] [INFO ] [Real]Absence check using 1 positive place invariants in 56 ms returned sat
[2023-03-10 16:25:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:25:50] [INFO ] [Real]Absence check using state equation in 4426 ms returned unknown
[2023-03-10 16:25:50] [INFO ] [Real]Absence check using 1 positive place invariants in 45 ms returned sat
[2023-03-10 16:25:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:25:55] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 11
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:242)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:901)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:189)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:639)
at fr.lip6.move.gal.application.Application.start(Application.java:174)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:43)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-10 16:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 63 ms returned sat
[2023-03-10 16:25:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:26:00] [INFO ] [Real]Absence check using state equation in 4487 ms returned unknown
[2023-03-10 16:26:00] [INFO ] [Real]Absence check using 1 positive place invariants in 37 ms returned sat
[2023-03-10 16:26:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:26:05] [INFO ] [Real]Absence check using state equation in 4650 ms returned unknown
[2023-03-10 16:26:05] [INFO ] [Real]Absence check using 1 positive place invariants in 37 ms returned sat
[2023-03-10 16:26:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 16:26:10] [INFO ] [Real]Absence check using state equation in 4665 ms returned unknown
Current structural bounds on expressions (after SMT) : [100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100] Max seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0]
Support contains 15 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 19164 edges and 2500 vertex of which 2485 / 2500 are part of one of the 1 SCC in 63 ms
Free SCC test removed 2484 places
Drop transitions removed 19164 transitions
Ensure Unique test removed 210 transitions
Reduce isomorphic transitions removed 19374 transitions.
Applied a total of 1 rules in 171 ms. Remains 16 /2500 variables (removed 2484) and now considering 30/19404 (removed 19374) transitions.
Finished structural reductions, in 1 iterations. Remains : 16/2500 places, 30/19404 transitions.
// Phase 1: matrix 30 rows 16 cols
[2023-03-10 16:26:10] [INFO ] Computed 1 place invariants in 1 ms
Incomplete random walk after 1000012 steps, including 2 resets, run finished after 267 ms. (steps per millisecond=3745 ) properties (out of 15) seen :1500
FORMULA Diffusion2D-PT-D50N100-UpperBounds-15 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-14 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-13 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-12 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-11 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-10 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-09 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-08 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-07 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-06 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-05 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-03 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-02 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-01 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-00 100 TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 78306 ms.

BK_STOP 1678465570819

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination UpperBounds -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="Diffusion2D-PT-D50N100"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2022"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# 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 2-5348"
echo " Executing tool gold2022"
echo " Input is Diffusion2D-PT-D50N100, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r159-smll-167819445100034"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D50N100.tgz
mv Diffusion2D-PT-D50N100 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;