fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r234-tall-167856420200334
Last Updated
May 14, 2023

About the Execution of Marcie+red for Kanban-PT-50000

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16217.384 411635.00 467990.00 9191.70 T?FF?T??F?TTFF?? normal

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.r234-tall-167856420200334.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)
................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is Kanban-PT-50000, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r234-tall-167856420200334
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 548K
-rw-r--r-- 1 mcc users 8.7K Feb 25 11:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Feb 25 11:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 25 11:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Feb 25 11:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 25 12:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 178K Feb 25 12:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Feb 25 11:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Feb 25 11:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 14K 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 booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-00
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-01
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-02
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-03
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-04
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-05
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-06
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-07
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-08
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-09
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-10
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-11
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-12
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-13
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-14
FORMULA_NAME Kanban-PT-50000-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1679481785962

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=marciexred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Kanban-PT-50000
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-22 10:43:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-22 10:43:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 10:43:07] [INFO ] Load time of PNML (sax parser for PT used): 23 ms
[2023-03-22 10:43:07] [INFO ] Transformed 16 places.
[2023-03-22 10:43:07] [INFO ] Transformed 16 transitions.
[2023-03-22 10:43:07] [INFO ] Parsed PT model containing 16 places and 16 transitions and 40 arcs in 85 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 22 ms.
Working with output stream class java.io.PrintStream
FORMULA Kanban-PT-50000-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Kanban-PT-50000-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Kanban-PT-50000-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 50001 steps, including 0 resets, run finished after 39 ms. (steps per millisecond=1282 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 142 ms. (steps per millisecond=70 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 13) seen :0
Interrupted probabilistic random walk after 183680 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :{8=1}
Probabilistic random walk after 183680 steps, saw 142648 distinct states, run finished after 3003 ms. (steps per millisecond=61 ) properties seen :1
FORMULA Kanban-PT-50000-ReachabilityCardinality-10 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 12 properties.
// Phase 1: matrix 16 rows 16 cols
[2023-03-22 10:43:11] [INFO ] Computed 5 place invariants in 6 ms
[2023-03-22 10:43:11] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 10:43:11] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-22 10:43:11] [INFO ] After 31ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:11
[2023-03-22 10:43:11] [INFO ] After 36ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:12
[2023-03-22 10:43:11] [INFO ] After 211ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:12
[2023-03-22 10:43:11] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 10:43:11] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-22 10:43:11] [INFO ] After 72ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :12
[2023-03-22 10:43:11] [INFO ] After 177ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :12
Attempting to minimize the solution found.
Minimization took 82 ms.
[2023-03-22 10:43:11] [INFO ] After 337ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :12
FORMULA Kanban-PT-50000-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Kanban-PT-50000-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Kanban-PT-50000-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 3 properties in 24005 ms.
Support contains 16 out of 16 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16/16 places, 16/16 transitions.
Applied a total of 0 rules in 11 ms. Remains 16 /16 variables (removed 0) and now considering 16/16 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 16/16 places, 16/16 transitions.
Incomplete random walk after 50001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=5555 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 9) seen :0
Interrupted probabilistic random walk after 133630 steps, run timeout after 3001 ms. (steps per millisecond=44 ) properties seen :{}
Probabilistic random walk after 133630 steps, saw 105433 distinct states, run finished after 3001 ms. (steps per millisecond=44 ) properties seen :0
Running SMT prover for 9 properties.
[2023-03-22 10:43:39] [INFO ] Invariant cache hit.
[2023-03-22 10:43:39] [INFO ] [Real]Absence check using 4 positive place invariants in 0 ms returned sat
[2023-03-22 10:43:39] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-22 10:43:39] [INFO ] After 73ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-22 10:43:39] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 10:43:39] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-22 10:43:39] [INFO ] After 48ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2023-03-22 10:43:39] [INFO ] After 100ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
Attempting to minimize the solution found.
Minimization took 46 ms.
[2023-03-22 10:43:39] [INFO ] After 208ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
FORMULA Kanban-PT-50000-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Kanban-PT-50000-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 2 properties in 18001 ms.
Support contains 16 out of 16 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16/16 places, 16/16 transitions.
Applied a total of 0 rules in 3 ms. Remains 16 /16 variables (removed 0) and now considering 16/16 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 16/16 places, 16/16 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16/16 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 16 /16 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2023-03-22 10:43:57] [INFO ] Invariant cache hit.
[2023-03-22 10:43:57] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-22 10:43:57] [INFO ] Invariant cache hit.
[2023-03-22 10:43:57] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2023-03-22 10:43:57] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 10:43:57] [INFO ] Invariant cache hit.
[2023-03-22 10:43:57] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 16/16 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 16 /16 variables (removed 0) and now considering 16/16 (removed 0) transitions.
Running SMT prover for 7 properties.
[2023-03-22 10:43:57] [INFO ] Invariant cache hit.
[2023-03-22 10:43:57] [INFO ] [Real]Absence check using 4 positive place invariants in 0 ms returned sat
[2023-03-22 10:43:57] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-22 10:43:57] [INFO ] After 50ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-22 10:43:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 0 ms returned sat
[2023-03-22 10:43:57] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-22 10:43:57] [INFO ] After 35ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2023-03-22 10:43:58] [INFO ] After 74ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
Attempting to minimize the solution found.
Minimization took 35 ms.
[2023-03-22 10:43:58] [INFO ] After 150ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
[2023-03-22 10:43:58] [INFO ] Export to MCC of 7 properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 6 ms.
[2023-03-22 10:43:58] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 16 places, 16 transitions and 40 arcs took 0 ms.
[2023-03-22 10:43:58] [INFO ] Flatten gal took : 15 ms
Total runtime 50843 ms.
There are residual formulas that ITS could not solve within timeout
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=ReachabilityCardinality.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: Kanban_PT_50000
(NrP: 16 NrTr: 16 NrArc: 40)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.000sec

net check time: 0m 0.000sec

init dd package: 0m 2.814sec


BK_STOP 1679482197597

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok


initing FirstDep: 0m 0.000sec

/home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin//../BenchKit_head.sh: line 16: 480 Killed ${MARCIE} --net-file=model.pnml --mcc-file=${BK_EXAMINATION}.xml ${MARCIE_CONFIG}

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-50000"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is Kanban-PT-50000, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r234-tall-167856420200334"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Kanban-PT-50000.tgz
mv Kanban-PT-50000 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;