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.r409-oct2-167903727500097.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool smartxred
Input is ShieldIIPs-PT-050B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r409-oct2-167903727500097
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 6.5K Feb 25 16:39 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 25 16:39 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 25 16:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Feb 25 16:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 16:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Feb 25 16:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 16:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Feb 25 16:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 846K Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679770987601

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=smartxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldIIPs-PT-050B
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-25 19:03:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-25 19:03:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-25 19:03:10] [INFO ] Load time of PNML (sax parser for PT used): 152 ms
[2023-03-25 19:03:10] [INFO ] Transformed 3003 places.
[2023-03-25 19:03:10] [INFO ] Transformed 2953 transitions.
[2023-03-25 19:03:10] [INFO ] Found NUPN structural information;
[2023-03-25 19:03:10] [INFO ] Parsed PT model containing 3003 places and 2953 transitions and 8906 arcs in 379 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3003/3003 places, 2953/2953 transitions.
Drop transitions removed 251 transitions
Trivial Post-agglo rules discarded 251 transitions
Performed 251 trivial Post agglomeration. Transition count delta: 251
Iterating post reduction 0 with 251 rules applied. Total rules applied 251 place count 3003 transition count 2702
Reduce places removed 251 places and 0 transitions.
Iterating post reduction 1 with 251 rules applied. Total rules applied 502 place count 2752 transition count 2702
Performed 251 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 251 Pre rules applied. Total rules applied 502 place count 2752 transition count 2451
Deduced a syphon composed of 251 places in 28 ms
Reduce places removed 251 places and 0 transitions.
Iterating global reduction 2 with 502 rules applied. Total rules applied 1004 place count 2501 transition count 2451
Performed 1200 Post agglomeration using F-continuation condition.Transition count delta: 1200
Deduced a syphon composed of 1200 places in 5 ms
Reduce places removed 1200 places and 0 transitions.
Iterating global reduction 2 with 2400 rules applied. Total rules applied 3404 place count 1301 transition count 1251
Renaming transitions due to excessive name length > 1024 char.
Applied a total of 3404 rules in 438 ms. Remains 1301 /3003 variables (removed 1702) and now considering 1251/2953 (removed 1702) transitions.
// Phase 1: matrix 1251 rows 1301 cols
[2023-03-25 19:03:10] [INFO ] Computed 451 place invariants in 25 ms
[2023-03-25 19:03:12] [INFO ] Implicit Places using invariants in 1793 ms returned []
[2023-03-25 19:03:12] [INFO ] Invariant cache hit.
[2023-03-25 19:03:14] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-25 19:03:16] [INFO ] Implicit Places using invariants and state equation in 3327 ms returned [1286]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 5182 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 1300/3003 places, 1251/2953 transitions.
Applied a total of 0 rules in 22 ms. Remains 1300 /1300 variables (removed 0) and now considering 1251/1251 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 5643 ms. Remains : 1300/3003 places, 1251/2953 transitions.
Discarding 300 transitions out of 1251. Remains 951
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 775 ms. (steps per millisecond=12 ) properties (out of 950) seen :879
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 71) seen :0
Running SMT prover for 71 properties.
// Phase 1: matrix 1251 rows 1300 cols
[2023-03-25 19:03:17] [INFO ] Computed 450 place invariants in 6 ms
[2023-03-25 19:03:20] [INFO ] [Real]Absence check using 450 positive place invariants in 164 ms returned sat
[2023-03-25 19:03:33] [INFO ] After 15966ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:71
[2023-03-25 19:03:36] [INFO ] [Nat]Absence check using 450 positive place invariants in 182 ms returned sat
[2023-03-25 19:03:51] [INFO ] After 13364ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :71
[2023-03-25 19:03:52] [INFO ] Deduced a trap composed of 20 places in 198 ms of which 32 ms to minimize.
[2023-03-25 19:03:52] [INFO ] Deduced a trap composed of 11 places in 66 ms of which 1 ms to minimize.
[2023-03-25 19:03:52] [INFO ] Deduced a trap composed of 11 places in 78 ms of which 11 ms to minimize.
[2023-03-25 19:03:52] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 625 ms
[2023-03-25 19:03:53] [INFO ] Deduced a trap composed of 11 places in 261 ms of which 2 ms to minimize.
[2023-03-25 19:03:53] [INFO ] Deduced a trap composed of 13 places in 165 ms of which 4 ms to minimize.
[2023-03-25 19:03:53] [INFO ] Deduced a trap composed of 13 places in 134 ms of which 1 ms to minimize.
[2023-03-25 19:03:54] [INFO ] Deduced a trap composed of 19 places in 112 ms of which 23 ms to minimize.
[2023-03-25 19:03:54] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1033 ms
[2023-03-25 19:03:55] [INFO ] Deduced a trap composed of 4 places in 199 ms of which 1 ms to minimize.
[2023-03-25 19:03:55] [INFO ] Deduced a trap composed of 4 places in 63 ms of which 1 ms to minimize.
[2023-03-25 19:03:55] [INFO ] Deduced a trap composed of 4 places in 126 ms of which 0 ms to minimize.
[2023-03-25 19:03:55] [INFO ] Deduced a trap composed of 4 places in 111 ms of which 1 ms to minimize.
[2023-03-25 19:03:55] [INFO ] Deduced a trap composed of 4 places in 101 ms of which 0 ms to minimize.
[2023-03-25 19:03:56] [INFO ] Deduced a trap composed of 4 places in 125 ms of which 1 ms to minimize.
[2023-03-25 19:03:56] [INFO ] Deduced a trap composed of 4 places in 161 ms of which 0 ms to minimize.
[2023-03-25 19:03:57] [INFO ] Deduced a trap composed of 4 places in 1258 ms of which 1 ms to minimize.
[2023-03-25 19:03:57] [INFO ] Deduced a trap composed of 4 places in 186 ms of which 1 ms to minimize.
[2023-03-25 19:03:57] [INFO ] Deduced a trap composed of 4 places in 78 ms of which 14 ms to minimize.
[2023-03-25 19:03:58] [INFO ] Deduced a trap composed of 4 places in 131 ms of which 0 ms to minimize.
[2023-03-25 19:03:58] [INFO ] Trap strengthening procedure interrupted after too many repetitions 3171 ms
[2023-03-25 19:03:58] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 3171 ms
[2023-03-25 19:03:58] [INFO ] After 20144ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :70
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-25 19:03:58] [INFO ] After 25024ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :70
Parikh walk visited 38 properties in 30200 ms.
Support contains 95 out of 1300 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1300/1300 places, 1251/1251 transitions.
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 50 place count 1250 transition count 1201
Iterating global reduction 0 with 50 rules applied. Total rules applied 100 place count 1250 transition count 1201
Partial Free-agglomeration rule applied 288 times.
Drop transitions removed 288 transitions
Iterating global reduction 0 with 288 rules applied. Total rules applied 388 place count 1250 transition count 1201
Applied a total of 388 rules in 201 ms. Remains 1250 /1300 variables (removed 50) and now considering 1201/1251 (removed 50) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 201 ms. Remains : 1250/1300 places, 1201/1251 transitions.
Finished random walk after 52483 steps, including 13 resets, run visited all 33 properties in 1364 ms. (steps per millisecond=38 )
Able to resolve query QuasiLiveness after proving 951 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 80386 ms.
ITS solved all properties within timeout

BK_STOP 1679771070728

--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="ShieldIIPs-PT-050B"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="smartxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 smartxred"
echo " Input is ShieldIIPs-PT-050B, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r409-oct2-167903727500097"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPs-PT-050B.tgz
mv ShieldIIPs-PT-050B execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;