fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r395-oct2-167903718800471
Last Updated
May 14, 2023

About the Execution of Smart+red for ShieldPPPs-PT-030A

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1285.600 96954.00 120031.00 34.30 TFFTTTTFFF?FF?FF 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.r395-oct2-167903718800471.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 ShieldPPPs-PT-030A, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r395-oct2-167903718800471
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 744K
-rw-r--r-- 1 mcc users 7.4K Feb 26 01:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 26 01:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 01:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 01:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Feb 25 16:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 02:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Feb 26 02:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Feb 26 02:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Feb 26 02:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:59 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 265K 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

here is the order used to build the result vector(from text file)
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-00
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-01
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-02
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-03
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-04
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-05
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-06
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-07
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-08
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-09
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-10
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-11
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-12
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-13
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-14
FORMULA_NAME ShieldPPPs-PT-030A-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679568953122

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=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPs-PT-030A
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-23 10:55:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-23 10:55:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-23 10:55:55] [INFO ] Load time of PNML (sax parser for PT used): 102 ms
[2023-03-23 10:55:55] [INFO ] Transformed 933 places.
[2023-03-23 10:55:55] [INFO ] Transformed 783 transitions.
[2023-03-23 10:55:55] [INFO ] Found NUPN structural information;
[2023-03-23 10:55:55] [INFO ] Parsed PT model containing 933 places and 783 transitions and 3006 arcs in 206 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 4 resets, run finished after 337 ms. (steps per millisecond=29 ) properties (out of 16) seen :13
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 783 rows 933 cols
[2023-03-23 10:55:56] [INFO ] Computed 331 place invariants in 29 ms
[2023-03-23 10:55:56] [INFO ] After 458ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-23 10:55:57] [INFO ] [Nat]Absence check using 331 positive place invariants in 120 ms returned sat
[2023-03-23 10:55:58] [INFO ] After 1178ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-23 10:55:59] [INFO ] After 2328ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 684 ms.
[2023-03-23 10:56:00] [INFO ] After 3441ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
FORMULA ShieldPPPs-PT-030A-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 1 properties in 237 ms.
Support contains 81 out of 933 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 933/933 places, 783/783 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 931 transition count 781
Partial Free-agglomeration rule applied 229 times.
Drop transitions removed 229 transitions
Iterating global reduction 0 with 229 rules applied. Total rules applied 233 place count 931 transition count 781
Applied a total of 233 rules in 174 ms. Remains 931 /933 variables (removed 2) and now considering 781/783 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 175 ms. Remains : 931/933 places, 781/783 transitions.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 214 ms. (steps per millisecond=46 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 170037 steps, run timeout after 3001 ms. (steps per millisecond=56 ) properties seen :{}
Probabilistic random walk after 170037 steps, saw 158174 distinct states, run finished after 3003 ms. (steps per millisecond=56 ) properties seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 781 rows 931 cols
[2023-03-23 10:56:03] [INFO ] Computed 331 place invariants in 42 ms
[2023-03-23 10:56:04] [INFO ] After 163ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-23 10:56:04] [INFO ] [Nat]Absence check using 316 positive place invariants in 79 ms returned sat
[2023-03-23 10:56:04] [INFO ] [Nat]Absence check using 316 positive and 15 generalized place invariants in 4 ms returned sat
[2023-03-23 10:56:07] [INFO ] After 2771ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-23 10:56:08] [INFO ] Deduced a trap composed of 5 places in 180 ms of which 1 ms to minimize.
[2023-03-23 10:56:08] [INFO ] Deduced a trap composed of 7 places in 157 ms of which 14 ms to minimize.
[2023-03-23 10:56:09] [INFO ] Deduced a trap composed of 7 places in 139 ms of which 14 ms to minimize.
[2023-03-23 10:56:09] [INFO ] Deduced a trap composed of 7 places in 133 ms of which 1 ms to minimize.
[2023-03-23 10:56:09] [INFO ] Deduced a trap composed of 12 places in 90 ms of which 0 ms to minimize.
[2023-03-23 10:56:09] [INFO ] Deduced a trap composed of 9 places in 197 ms of which 27 ms to minimize.
[2023-03-23 10:56:09] [INFO ] Deduced a trap composed of 9 places in 115 ms of which 2 ms to minimize.
[2023-03-23 10:56:10] [INFO ] Deduced a trap composed of 7 places in 113 ms of which 1 ms to minimize.
[2023-03-23 10:56:10] [INFO ] Deduced a trap composed of 9 places in 102 ms of which 1 ms to minimize.
[2023-03-23 10:56:10] [INFO ] Deduced a trap composed of 9 places in 105 ms of which 1 ms to minimize.
[2023-03-23 10:56:10] [INFO ] Deduced a trap composed of 7 places in 103 ms of which 1 ms to minimize.
[2023-03-23 10:56:11] [INFO ] Deduced a trap composed of 12 places in 82 ms of which 1 ms to minimize.
[2023-03-23 10:56:11] [INFO ] Deduced a trap composed of 6 places in 77 ms of which 2 ms to minimize.
[2023-03-23 10:56:11] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 2956 ms
[2023-03-23 10:56:20] [INFO ] After 15952ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 839 ms.
[2023-03-23 10:56:21] [INFO ] After 17136ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 83 ms.
Support contains 81 out of 931 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 931/931 places, 781/781 transitions.
Applied a total of 0 rules in 33 ms. Remains 931 /931 variables (removed 0) and now considering 781/781 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 931/931 places, 781/781 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 931/931 places, 781/781 transitions.
Applied a total of 0 rules in 32 ms. Remains 931 /931 variables (removed 0) and now considering 781/781 (removed 0) transitions.
[2023-03-23 10:56:21] [INFO ] Invariant cache hit.
[2023-03-23 10:56:22] [INFO ] Implicit Places using invariants in 678 ms returned []
[2023-03-23 10:56:22] [INFO ] Invariant cache hit.
[2023-03-23 10:56:23] [INFO ] Implicit Places using invariants and state equation in 1359 ms returned []
Implicit Place search using SMT with State Equation took 2073 ms to find 0 implicit places.
[2023-03-23 10:56:23] [INFO ] Redundant transitions in 51 ms returned []
[2023-03-23 10:56:23] [INFO ] Invariant cache hit.
[2023-03-23 10:56:24] [INFO ] Dead Transitions using invariants and state equation in 480 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2655 ms. Remains : 931/931 places, 781/781 transitions.
Applied a total of 0 rules in 23 ms. Remains 931 /931 variables (removed 0) and now considering 781/781 (removed 0) transitions.
Running SMT prover for 2 properties.
[2023-03-23 10:56:24] [INFO ] Invariant cache hit.
[2023-03-23 10:56:24] [INFO ] After 165ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-23 10:56:24] [INFO ] [Nat]Absence check using 316 positive place invariants in 41 ms returned sat
[2023-03-23 10:56:24] [INFO ] [Nat]Absence check using 316 positive and 15 generalized place invariants in 3 ms returned sat
[2023-03-23 10:56:30] [INFO ] After 5610ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-23 10:56:31] [INFO ] Deduced a trap composed of 7 places in 92 ms of which 0 ms to minimize.
[2023-03-23 10:56:31] [INFO ] Deduced a trap composed of 5 places in 94 ms of which 1 ms to minimize.
[2023-03-23 10:56:33] [INFO ] Deduced a trap composed of 5 places in 118 ms of which 2 ms to minimize.
[2023-03-23 10:56:33] [INFO ] Deduced a trap composed of 7 places in 112 ms of which 0 ms to minimize.
[2023-03-23 10:56:33] [INFO ] Deduced a trap composed of 5 places in 114 ms of which 1 ms to minimize.
[2023-03-23 10:56:33] [INFO ] Deduced a trap composed of 7 places in 117 ms of which 1 ms to minimize.
[2023-03-23 10:56:34] [INFO ] Deduced a trap composed of 7 places in 112 ms of which 1 ms to minimize.
[2023-03-23 10:56:34] [INFO ] Deduced a trap composed of 5 places in 104 ms of which 0 ms to minimize.
[2023-03-23 10:56:43] [INFO ] Trap strengthening (SAT) tested/added 8/8 trap constraints in 12327 ms
[2023-03-23 10:56:44] [INFO ] Deduced a trap composed of 7 places in 88 ms of which 1 ms to minimize.
[2023-03-23 10:56:53] [INFO ] Trap strengthening (SAT) tested/added 1/1 trap constraints in 9148 ms
[2023-03-23 10:56:53] [INFO ] After 29472ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :0
[2023-03-23 10:56:53] [INFO ] After 29710ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
[2023-03-23 10:56:54] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 28 ms.
[2023-03-23 10:56:54] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 931 places, 781 transitions and 3639 arcs took 24 ms.
[2023-03-23 10:56:54] [INFO ] Flatten gal took : 115 ms
Total runtime 59079 ms.
There are residual formulas that ITS could not solve within timeout
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running ShieldPPPs (PT), instance 030A
Examination ReachabilityFireability
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/Fireability.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//rem_exec//smart

GOT IT HERE. BS
Petri model created: 931 places, 781 transitions, 3639 arcs.
Final Score: 85095.99
Took : 35 seconds
Reachability Fireability file is: ReachabilityFireability.xml
READY TO PARSE. BS

BK_STOP 1679569050076

--------------------
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:
++ 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
++ sed s/.jar//
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
ERROR in file model.sm near line 5358:
syntax error

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="ShieldPPPs-PT-030A"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="smartxred"
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 smartxred"
echo " Input is ShieldPPPs-PT-030A, 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 r395-oct2-167903718800471"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPs-PT-030A.tgz
mv ShieldPPPs-PT-030A 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 ;