Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2020-input.r156-oct2-158972914300583.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2020-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 itstools
Input is SharedMemory-PT-000100, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r156-oct2-158972914300583
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 59M
-rw-r--r-- 1 mcc users 2.5M Apr 27 15:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 6.2M Apr 27 15:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.8M Apr 27 15:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 5.0M Apr 27 15:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 27 15:14 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Apr 27 15:14 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 646K Apr 27 15:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 1.8M Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3M Apr 27 15:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 7.1M Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.1M Apr 27 15:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.6M Apr 27 15:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.2M Apr 27 15:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 9.1M Apr 27 15:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 27 15:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 31K Apr 27 15:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Apr 27 15:14 equiv_col
-rw-r--r-- 1 mcc users 7 Apr 27 15:14 instance
-rw-r--r-- 1 mcc users 6 Apr 27 15:14 iscolored
-rw-r--r-- 1 mcc users 16M Apr 27 15:14 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 SharedMemory-PT-000100-ReachabilityFireability-00
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-01
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-02
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-03
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-04
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-05
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-06
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-07
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-08
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-09
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-10
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-11
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-12
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-13
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-14
FORMULA_NAME SharedMemory-PT-000100-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1589913833754

[2020-05-19 18:43:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2020-05-19 18:43:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-19 18:43:55] [INFO ] Load time of PNML (sax parser for PT used): 501 ms
[2020-05-19 18:43:55] [INFO ] Transformed 10301 places.
[2020-05-19 18:43:55] [INFO ] Transformed 20100 transitions.
[2020-05-19 18:43:55] [INFO ] Found NUPN structural information;
[2020-05-19 18:43:55] [INFO ] Parsed PT model containing 10301 places and 20100 transitions in 615 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 5273 ms.
Working with output stream class java.io.PrintStream
FORMULA SharedMemory-PT-000100-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 0 resets, run finished after 4893 ms. (steps per millisecond=2 ) properties seen :[0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0]
FORMULA SharedMemory-PT-000100-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SharedMemory-PT-000100-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SharedMemory-PT-000100-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SharedMemory-PT-000100-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SharedMemory-PT-000100-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SharedMemory-PT-000100-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SharedMemory-PT-000100-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Interrupted Best-First random walk after 4568 steps, including 0 resets, run timeout after 5157 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 3978 steps, including 0 resets, run timeout after 5103 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 3920 steps, including 0 resets, run timeout after 5680 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 40 ms. (steps per millisecond=250 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 31 ms. (steps per millisecond=322 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 33 ms. (steps per millisecond=303 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 51 ms. (steps per millisecond=196 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 61 ms. (steps per millisecond=163 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 20100 rows 10301 cols
[2020-05-19 18:44:25] [INFO ] Computed 201 place invariants in 2779 ms
[2020-05-19 18:44:29] [INFO ] [Real]Absence check using 201 positive place invariants in 3334 ms returned sat
[2020-05-19 18:44:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-19 18:44:30] [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 (>= t3836 0)") while checking expression at index 0
[2020-05-19 18:44:35] [INFO ] [Real]Absence check using 201 positive place invariants in 4023 ms returned (error "Solver has unexpectedly terminated")
[2020-05-19 18:44:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-19 18:44:35] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 1
[2020-05-19 18:44:36] [INFO ] [Real]Absence check using 201 positive place invariants in 259 ms returned unsat
[2020-05-19 18:44:38] [INFO ] [Real]Absence check using 201 positive place invariants in 1040 ms returned unsat
[2020-05-19 18:44:41] [INFO ] [Real]Absence check using 201 positive place invariants in 1224 ms returned unsat
[2020-05-19 18:44:44] [INFO ] [Real]Absence check using 201 positive place invariants in 1102 ms returned unsat
[2020-05-19 18:44:46] [INFO ] [Real]Absence check using 201 positive place invariants in 1686 ms returned sat
[2020-05-19 18:44:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-19 18:44:49] [INFO ] [Real]Absence check using state equation in 2590 ms returned (error "Solver has unexpectedly terminated")
[2020-05-19 18:44:51] [INFO ] [Real]Absence check using 201 positive place invariants in 1082 ms returned unsat
FORMULA SharedMemory-PT-000100-ReachabilityFireability-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SharedMemory-PT-000100-ReachabilityFireability-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SharedMemory-PT-000100-ReachabilityFireability-09 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SharedMemory-PT-000100-ReachabilityFireability-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SharedMemory-PT-000100-ReachabilityFireability-07 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 10301 out of 10301 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 10301/10301 places, 20100/20100 transitions.
Applied a total of 0 rules in 210 ms. Remains 10301 /10301 variables (removed 0) and now considering 20100/20100 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 10301/10301 places, 20100/20100 transitions.
Interrupted random walk after 62844 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0]
Interrupted Best-First random walk after 4412 steps, including 0 resets, run timeout after 5093 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0]
Interrupted Best-First random walk after 4455 steps, including 0 resets, run timeout after 5582 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 2760 ms. (steps per millisecond=362 ) properties seen :[0, 0, 1]
FORMULA SharedMemory-PT-000100-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
// Phase 1: matrix 20100 rows 10301 cols
[2020-05-19 18:45:37] [INFO ] Computed 201 place invariants in 2389 ms
[2020-05-19 18:45:41] [INFO ] [Real]Absence check using 201 positive place invariants in 3318 ms returned sat
[2020-05-19 18:45:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-19 18:46:22] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-19 18:46:22] [INFO ] [Real]Absence check using state equation in 40853 ms returned (error "Failed to check-sat")
[2020-05-19 18:46:32] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-19 18:46:35] [INFO ] [Real]Absence check using 201 positive place invariants in 12291 ms returned unknown
Support contains 10301 out of 10301 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 10301/10301 places, 20100/20100 transitions.
Applied a total of 0 rules in 110 ms. Remains 10301 /10301 variables (removed 0) and now considering 20100/20100 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 10301/10301 places, 20100/20100 transitions.
Interrupted random walk after 63539 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0]
Interrupted Best-First random walk after 4370 steps, including 0 resets, run timeout after 5033 ms. (steps per millisecond=0 ) properties seen :[0, 0]
Interrupted Best-First random walk after 4153 steps, including 0 resets, run timeout after 5183 ms. (steps per millisecond=0 ) properties seen :[0, 0]
Probabilistic random walk after 140164 steps, saw 245 distinct states, run finished after 30327 ms. (steps per millisecond=4 ) properties seen :[0, 0]
// Phase 1: matrix 20100 rows 10301 cols
[2020-05-19 18:47:48] [INFO ] Computed 201 place invariants in 2401 ms
[2020-05-19 18:47:52] [INFO ] [Real]Absence check using 201 positive place invariants in 2989 ms returned sat
[2020-05-19 18:47:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-19 18:48:33] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-19 18:48:33] [INFO ] [Real]Absence check using state equation in 41158 ms returned unknown
[2020-05-19 18:48:43] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-19 18:48:46] [INFO ] [Real]Absence check using 201 positive place invariants in 12090 ms returned unknown
Support contains 10301 out of 10301 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 10301/10301 places, 20100/20100 transitions.
Applied a total of 0 rules in 106 ms. Remains 10301 /10301 variables (removed 0) and now considering 20100/20100 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 10301/10301 places, 20100/20100 transitions.
Starting structural reductions, iteration 0 : 10301/10301 places, 20100/20100 transitions.
Applied a total of 0 rules in 104 ms. Remains 10301 /10301 variables (removed 0) and now considering 20100/20100 (removed 0) transitions.
// Phase 1: matrix 20100 rows 10301 cols
[2020-05-19 18:48:49] [INFO ] Computed 201 place invariants in 2352 ms
[2020-05-19 18:48:50] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-19 18:48:50] [INFO ] Implicit Places using invariants in 3316 ms returned []
Implicit Place search using SMT only with invariants took 3323 ms to find 0 implicit places.
// Phase 1: matrix 20100 rows 10301 cols
[2020-05-19 18:48:52] [INFO ] Computed 201 place invariants in 2349 ms
[2020-05-19 18:48:53] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-19 18:49:23] [INFO ] Performed 2711/20100 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2020-05-19 18:49:52] [INFO ] Dead Transitions with SMT raised an exceptionSMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe (>= s6131 1)") after 62368 ms
Finished structural reductions, in 1 iterations. Remains : 10301/10301 places, 20100/20100 transitions.
Interrupted random walk after 64259 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0]
// Phase 1: matrix 20100 rows 10301 cols
[2020-05-19 18:50:25] [INFO ] Computed 201 place invariants in 2382 ms
[2020-05-19 18:50:29] [INFO ] [Real]Absence check using 201 positive place invariants in 2981 ms returned sat
[2020-05-19 18:50:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-19 18:50:45] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-19 18:50:45] [INFO ] [Real]Absence check using state equation in 16112 ms returned (error "Failed to check-sat")
[2020-05-19 18:50:55] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-19 18:50:58] [INFO ] [Real]Absence check using 201 positive place invariants in 12110 ms returned unknown
Applied a total of 0 rules in 79 ms. Remains 10301 /10301 variables (removed 0) and now considering 20100/20100 (removed 0) transitions.
// Phase 1: matrix 20100 rows 10301 cols
[2020-05-19 18:51:00] [INFO ] Computed 201 place invariants in 2398 ms
[2020-05-19 18:51:04] [INFO ] [Real]Absence check using 201 positive place invariants in 3093 ms returned sat
[2020-05-19 18:51:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-19 18:51:45] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-19 18:51:45] [INFO ] [Real]Absence check using state equation in 41068 ms returned (error "Failed to check-sat")
[2020-05-19 18:51:55] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-19 18:51:58] [INFO ] [Real]Absence check using 201 positive place invariants in 12103 ms returned unknown
[2020-05-19 18:52:01] [INFO ] Flatten gal took : 1668 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
[2020-05-19 18:52:04] [INFO ] Flatten gal took : 1407 ms
[2020-05-19 18:52:05] [INFO ] Applying decomposition
[2020-05-19 18:52:05] [INFO ] Flatten gal took : 840 ms

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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="SharedMemory-PT-000100"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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 itstools"
echo " Input is SharedMemory-PT-000100, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r156-oct2-158972914300583"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SharedMemory-PT-000100.tgz
mv SharedMemory-PT-000100 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;