Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2022-input.r183-tajo-165281569500556.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2022-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-4028
Executing tool tapaal
Input is RefineWMG-PT-050050, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r183-tajo-165281569500556
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 332K
-rw-r--r-- 1 mcc users 6.9K Apr 30 02:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Apr 30 02:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Apr 30 02:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Apr 30 02:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 3.7K May 9 08:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 9 08:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 9 08:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 08:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 110K May 10 09:34 model.pnml
-rw-r--r-- 1 mcc users 1.7K May 9 08:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 9 08:37 UpperBounds.xml

--------------------
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 RefineWMG-PT-050050-LTLFireability-00
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-01
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-02
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-03
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-04
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-05
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-06
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-07
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-08
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-09
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-10
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-11
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-12
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-13
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-14
FORMULA_NAME RefineWMG-PT-050050-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1652853395603

tapaal
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> tapaal --- TAPAAL v5
Setting MODEL_PATH=.
Setting VERIFYPN=/home/mcc/BenchKit/bin/verifypn
Got BK_TIME_CONFINEMENT=3600
Setting TEMPDIR=/home/mcc/BenchKit/bin/tmp
Got BK_MEMORY_CONFINEMENT=16384
Limiting to 16265216 kB
Total timeout: 3590
Time left: 3590

*************************************
* TAPAAL verifying LTLFireability *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym
MF=/home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)
/home/mcc/BenchKit/bin/verifypn -n -c -q 718 -ltl -l 29 -d 299 -z 4 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLFireability.xml
CPN OverApproximation is only usable on colored models
Time left: 3590
---------------------------------------------------
Step 0: Parallel Simplification
---------------------------------------------------
Doing parallel simplification (16 in total)
Total simplification timout is 718 -- reduction timeout is 299
timeout 1017 /home/mcc/BenchKit/bin/verifypn -n -ltl -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLFireability.xml
FORMULA RefineWMG-PT-050050-LTLFireability-02 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 2 was solved

Query is NOT satisfied.
Solution found by parallel simplification (step 0)
Time left: 3590

---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (15 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is NOT satisfied.

Spent 0.004284 on verification
@@@0.02,7644@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 1 -n

FORMULA RefineWMG-PT-050050-LTLFireability-00 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 3589
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.071714 on verification
@@@0.07,149384@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ aut\ -s\ DFS\ -p\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 2 -n

FORMULA RefineWMG-PT-050050-LTLFireability-10 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 3589
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.086002 on verification
@@@0.09,149292@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ fire-count\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 3 -n

FORMULA RefineWMG-PT-050050-LTLFireability-05 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC LOGFIRECOUNT_HEUR(5000) OPTIM-1
Time left: 3588
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.074744 on verification
@@@0.09,149488@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 4 -n

FORMULA RefineWMG-PT-050050-LTLFireability-01 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3588
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.022276 on verification
@@@0.03,21780@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 5 -n

FORMULA RefineWMG-PT-050050-LTLFireability-15 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3588
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.084611 on verification
@@@0.09,149728@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 6 -n

FORMULA RefineWMG-PT-050050-LTLFireability-11 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3587
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is satisfied.
Spent 0.024669 on verification
@@@0.04,21932@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 7 -n

FORMULA RefineWMG-PT-050050-LTLFireability-12 TRUE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3587
------------------- QUERY 8 ----------------------
No solution found
Command terminated by signal 9
@@@158.57,5341676@@@
Command terminated by signal 9
@@@243.76,5915560@@@


Time left: 3285
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.023363 on verification
@@@0.03,21696@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 9 -n

FORMULA RefineWMG-PT-050050-LTLFireability-03 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3285
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.017789 on verification
@@@0.03,21840@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 10 -n

FORMULA RefineWMG-PT-050050-LTLFireability-07 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3284
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.020992 on verification
@@@0.04,22100@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 11 -n

FORMULA RefineWMG-PT-050050-LTLFireability-09 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3284
------------------- QUERY 12 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.102399 on verification
@@@0.11,151248@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 12 -n

FORMULA RefineWMG-PT-050050-LTLFireability-08 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3284
------------------- QUERY 13 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is satisfied.
Spent 0.024841 on verification
@@@0.04,21700@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 13 -n

FORMULA RefineWMG-PT-050050-LTLFireability-06 TRUE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3283
------------------- QUERY 14 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.087416 on verification
@@@0.09,149684@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 14 -n

FORMULA RefineWMG-PT-050050-LTLFireability-13 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3283
------------------- QUERY 15 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is satisfied.
Spent 0.029951 on verification
@@@0.05,23368@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 15 -n

FORMULA RefineWMG-PT-050050-LTLFireability-04 TRUE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3282
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 1 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 3282
------------------- QUERY 8 ----------------------
Running query 8 for 3282 seconds. Remaining: 1 queries and 3282 seconds
Solution found by sequential processing (step 2)
FORMULA RefineWMG-PT-050050-LTLFireability-14 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC AUTOMATON_HEUR OPTIM-1

Query index 0 was solved
Query is NOT satisfied.
Spent 0.072828 on verification
@@@0.10,151344@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ -q\ 40\ -l\ 5\ -d\ 119\ -s\ BestFS\ --ltl-por\ automaton\ --ltl-heur\ aut /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 8 -n

Query index 0 was solved
Query is NOT satisfied.
Spent 0.072828 on verification
@@@0.10,151344@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ -q\ 40\ -l\ 5\ -d\ 119\ -s\ BestFS\ --ltl-por\ automaton\ --ltl-heur\ aut /home/mcc/BenchKit/bin/tmp/tmp.3TNdYRpw6t /home/mcc/BenchKit/bin/tmp/tmp.4kvNDxIsym --binary-query-io 1 -x 8 -n

FORMULA RefineWMG-PT-050050-LTLFireability-14 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3282
All queries are solved
Time left: 3282
terminated-with-cleanup

BK_STOP 1652853703392

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

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="RefineWMG-PT-050050"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="tapaal"
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 2-4028"
echo " Executing tool tapaal"
echo " Input is RefineWMG-PT-050050, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r183-tajo-165281569500556"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RefineWMG-PT-050050.tgz
mv RefineWMG-PT-050050 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;