About the Execution of Tapaal for Kanban-PT-00200
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
16227.596 | 3589572.00 | 6622776.00 | 11270.60 | ???TTFFFFTFTFFFT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2022-input.r129-tall-165271816500274.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-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 tapaal
Input is Kanban-PT-00200, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r129-tall-165271816500274
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 236K
-rw-r--r-- 1 mcc users 6.5K Apr 29 17:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Apr 29 17:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Apr 29 17:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Apr 29 17:34 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 6.3K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 3.4K May 9 08:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 9 08:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 9 08:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K May 9 08:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 10 09:34 model.pnml
-rw-r--r-- 1 mcc users 1.6K May 9 08:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 9 08:09 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 Kanban-PT-00200-CTLFireability-00
FORMULA_NAME Kanban-PT-00200-CTLFireability-01
FORMULA_NAME Kanban-PT-00200-CTLFireability-02
FORMULA_NAME Kanban-PT-00200-CTLFireability-03
FORMULA_NAME Kanban-PT-00200-CTLFireability-04
FORMULA_NAME Kanban-PT-00200-CTLFireability-05
FORMULA_NAME Kanban-PT-00200-CTLFireability-06
FORMULA_NAME Kanban-PT-00200-CTLFireability-07
FORMULA_NAME Kanban-PT-00200-CTLFireability-08
FORMULA_NAME Kanban-PT-00200-CTLFireability-09
FORMULA_NAME Kanban-PT-00200-CTLFireability-10
FORMULA_NAME Kanban-PT-00200-CTLFireability-11
FORMULA_NAME Kanban-PT-00200-CTLFireability-12
FORMULA_NAME Kanban-PT-00200-CTLFireability-13
FORMULA_NAME Kanban-PT-00200-CTLFireability-14
FORMULA_NAME Kanban-PT-00200-CTLFireability-15
=== Now, execution of the tool begins
BK_START 1652762709710
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 CTLFireability *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.n1L4uqjfti
MF=/home/mcc/BenchKit/bin/tmp/tmp.Vc5jLpFiiX
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)
/home/mcc/BenchKit/bin/verifypn -n -c -q 718 -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 ./CTLFireability.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 3590 /home/mcc/BenchKit/bin/verifypn -n -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.n1L4uqjfti --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.Vc5jLpFiiX -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLFireability.xml
FORMULA Kanban-PT-00200-CTLFireability-03 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 3 was solved
Query is satisfied.
FORMULA Kanban-PT-00200-CTLFireability-04 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 4 was solved
Query is satisfied.
FORMULA Kanban-PT-00200-CTLFireability-06 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 6 was solved
Query is NOT satisfied.
FORMULA Kanban-PT-00200-CTLFireability-14 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 14 was solved
Query is NOT satisfied.
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Time left: 3590
---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (12 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)
Search strategy option was ignored as the TAR engine is called.
Query index 0 was solved
Query is satisfied.
Solved using Trace Abstraction Refinement
Spent 0.000151 on verification
@@@0.00,5464@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.Vc5jLpFiiX /home/mcc/BenchKit/bin/tmp/tmp.n1L4uqjfti --binary-query-io 1 -x 1 -n
FORMULA Kanban-PT-00200-CTLFireability-09 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT TRACE_ABSTRACTION_REFINEMENT
Time left: 3589
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)
Search strategy option was ignored as the TAR engine is called.
Query index 0 was solved
Query is NOT satisfied.
Solved using Trace Abstraction Refinement
Spent 0.000136 on verification
@@@0.00,5448@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.Vc5jLpFiiX /home/mcc/BenchKit/bin/tmp/tmp.n1L4uqjfti --binary-query-io 1 -x 2 -n
FORMULA Kanban-PT-00200-CTLFireability-05 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT TRACE_ABSTRACTION_REFINEMENT
Time left: 3589
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)
Search strategy option was ignored as the TAR engine is called.
Query index 0 was solved
Query is satisfied.
Solved using Trace Abstraction Refinement
Spent 0.000179 on verification
@@@0.00,5328@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.Vc5jLpFiiX /home/mcc/BenchKit/bin/tmp/tmp.n1L4uqjfti --binary-query-io 1 -x 3 -n
FORMULA Kanban-PT-00200-CTLFireability-15 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT TRACE_ABSTRACTION_REFINEMENT
Time left: 3589
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 0.051424 on verification
@@@0.05,59268@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.Vc5jLpFiiX /home/mcc/BenchKit/bin/tmp/tmp.n1L4uqjfti --binary-query-io 1 -x 4 -n
FORMULA Kanban-PT-00200-CTLFireability-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3589
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.047404 on verification
@@@0.05,59432@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.Vc5jLpFiiX /home/mcc/BenchKit/bin/tmp/tmp.n1L4uqjfti --binary-query-io 1 -x 5 -n
FORMULA Kanban-PT-00200-CTLFireability-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3588
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.046311 on verification
@@@0.05,59196@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.Vc5jLpFiiX /home/mcc/BenchKit/bin/tmp/tmp.n1L4uqjfti --binary-query-io 1 -x 6 -n
FORMULA Kanban-PT-00200-CTLFireability-08 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3588
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.044759 on verification
@@@0.04,59648@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.Vc5jLpFiiX /home/mcc/BenchKit/bin/tmp/tmp.n1L4uqjfti --binary-query-io 1 -x 7 -n
FORMULA Kanban-PT-00200-CTLFireability-07 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3588
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.899225 on verification
@@@0.90,116920@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.Vc5jLpFiiX /home/mcc/BenchKit/bin/tmp/tmp.n1L4uqjfti --binary-query-io 1 -x 8 -n
FORMULA Kanban-PT-00200-CTLFireability-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3587
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.0425 on verification
@@@0.04,59296@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.Vc5jLpFiiX /home/mcc/BenchKit/bin/tmp/tmp.n1L4uqjfti --binary-query-io 1 -x 9 -n
FORMULA Kanban-PT-00200-CTLFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3586
------------------- QUERY 10 ----------------------
No solution found
Command terminated by signal 9
@@@112.20,12170004@@@
Time left: 3285
------------------- QUERY 11 ----------------------
No solution found
Command terminated by signal 9
@@@45.43,9654744@@@
Command terminated by signal 9
@@@138.68,9716436@@@
Time left: 2983
------------------- QUERY 12 ----------------------
No solution found
Command terminated by signal 9
@@@56.93,10723932@@@
Command terminated by signal 9
@@@207.38,13999056@@@
Time left: 2681
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 3 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 2681
------------------- QUERY 10 ----------------------
Running query 10 for 893 seconds. Remaining: 3 queries and 2681 seconds
No solution found
Command terminated by signal 9
@@@135.15,14002604@@@
Time left: 1786
------------------- QUERY 11 ----------------------
Running query 11 for 893 seconds. Remaining: 2 queries and 1786 seconds
No solution found
Command terminated by signal 9
@@@60.04,12513208@@@
Command terminated by signal 9
@@@642.20,16149704@@@
Time left: 1143
------------------- QUERY 12 ----------------------
Running query 12 for 1143 seconds. Remaining: 1 queries and 1143 seconds
No solution found
Command terminated by signal 9
@@@60.77,11506312@@@
Command terminated by signal 9
@@@231.22,16146216@@@
Time left: 912
Time left: 912
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (3 in total)
Each query is verified by 4 parallel strategies for 304 seconds
------------------- QUERY 10 ----------------------
No solution found
Command terminated by signal 9
@@@34.95,4068700@@@
Command terminated by signal 9
@@@46.81,5405264@@@
Command terminated by signal 9
@@@72.27,8075080@@@
Command terminated by signal 9
@@@155.25,16146140@@@
Time left: 756
------------------- QUERY 11 ----------------------
No solution found
Command terminated by signal 9
@@@18.78,4078472@@@
Command terminated by signal 9
@@@25.05,5418496@@@
Command terminated by signal 9
@@@38.34,8133596@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@76.37,15806660@@@
Time left: 679
------------------- QUERY 12 ----------------------
No solution found
Command terminated by signal 9
@@@21.18,4097144@@@
Command terminated by signal 9
@@@28.16,5412860@@@
Command terminated by signal 9
@@@43.53,8083080@@@
Command terminated by signal 9
@@@86.19,16147132@@@
Time left: 593
Time left: 593
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (3 in total)
Each query is verified by 4 parallel strategies for 197 seconds
------------------- QUERY 10 ----------------------
No solution found
Command terminated by signal 9
@@@34.92,4078768@@@
Command terminated by signal 9
@@@46.68,5390588@@@
Command terminated by signal 9
@@@71.44,8090496@@@
Command terminated by signal 9
@@@153.15,16148700@@@
Time left: 440
------------------- QUERY 11 ----------------------
No solution found
Command terminated by signal 9
@@@18.55,4061908@@@
Command terminated by signal 9
@@@24.94,5390992@@@
Command terminated by signal 9
@@@38.29,8087608@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@75.83,15804248@@@
Time left: 363
------------------- QUERY 12 ----------------------
No solution found
Command terminated by signal 9
@@@20.68,4050000@@@
Command terminated by signal 9
@@@27.82,5400128@@@
Command terminated by signal 9
@@@51.16,8077368@@@
Command terminated by signal 9
@@@94.17,16148944@@@
Time left: 269
Time left: 269
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (3 in total)
Each query is verified by 4 parallel strategies for 89 seconds
------------------- QUERY 10 ----------------------
No solution found
Command terminated by signal 9
@@@35.25,4066280@@@
Command terminated by signal 9
@@@47.35,5412804@@@
Command terminated by signal 9
@@@72.48,8066348@@@
Time left: 177
------------------- QUERY 11 ----------------------
No solution found
Command terminated by signal 9
@@@18.83,4058960@@@
Command terminated by signal 9
@@@25.32,5393292@@@
Command terminated by signal 9
@@@42.93,8100964@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@80.71,15804340@@@
Time left: 96
------------------- QUERY 12 ----------------------
No solution found
Command terminated by signal 9
@@@21.49,4061160@@@
Command terminated by signal 9
@@@28.73,5409616@@@
Command terminated by signal 9
@@@43.81,8077356@@@
Time left: 4
Time left: 4
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (3 in total)
Each query is verified by 4 parallel strategies for 1 seconds
------------------- QUERY 10 ----------------------
No solution found
Time left: 2
------------------- QUERY 11 ----------------------
No solution found
Time left: 0
Out of time, terminating!
terminated-with-cleanup
BK_STOP 1652766299282
--------------------
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="Kanban-PT-00200"
export BK_EXAMINATION="CTLFireability"
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 Kanban-PT-00200, 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 r129-tall-165271816500274"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Kanban-PT-00200.tgz
mv Kanban-PT-00200 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 '
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 ;