About the Execution of ITS-Tools for SemanticWebServices-PT-S064P09
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 217.668 | 7458.00 | 16665.00 | 366.70 | FTTFTFTFFTFFFFTT | 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.r357-smll-167891806200350.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)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is SemanticWebServices-PT-S064P09, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r357-smll-167891806200350
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 8.1K Feb 26 10:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Feb 26 10:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 10:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 26 10:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Feb 25 16:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 16:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.0K Feb 26 10:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 52K Feb 26 10:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Feb 26 10:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Feb 26 10:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 102K 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 SemanticWebServices-PT-S064P09-ReachabilityCardinality-00
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-01
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-02
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-03
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-04
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-05
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-06
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-07
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-08
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-09
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-10
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-11
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-12
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-13
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-14
FORMULA_NAME SemanticWebServices-PT-S064P09-ReachabilityCardinality-15
=== Now, execution of the tool begins
BK_START 1679142484587
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=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SemanticWebServices-PT-S064P09
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202303021504
[2023-03-18 12:28:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-18 12:28:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 12:28:08] [INFO ] Load time of PNML (sax parser for PT used): 216 ms
[2023-03-18 12:28:08] [INFO ] Transformed 100 places.
[2023-03-18 12:28:08] [INFO ] Transformed 164 transitions.
[2023-03-18 12:28:08] [INFO ] Parsed PT model containing 100 places and 164 transitions and 719 arcs in 386 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 2 transitions.
Ensure Unique test removed 80 transitions
Reduce redundant transitions removed 80 transitions.
[2023-03-18 12:28:08] [INFO ] Flatten gal took : 81 ms
[2023-03-18 12:28:08] [INFO ] Flatten gal took : 28 ms
[2023-03-18 12:28:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12453388348843346472.gal : 12 ms
[2023-03-18 12:28:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16033842992739796906.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12453388348843346472.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16033842992739796906.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality16033842992739796906.prop.
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :5 after 18
Reachability property SemanticWebServices-PT-S064P09-ReachabilityCardinality-15 is true.
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property SemanticWebServices-PT-S064P09-ReachabilityCardinality-11 does not hold.
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property SemanticWebServices-PT-S064P09-ReachabilityCardinality-09 is true.
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property SemanticWebServices-PT-S064P09-ReachabilityCardinality-07 does not hold.
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property SemanticWebServices-PT-S064P09-ReachabilityCardinality-06 is true.
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property SemanticWebServices-PT-S064P09-ReachabilityCardinality-04 is true.
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property SemanticWebServices-PT-S064P09-ReachabilityCardinality-02 is true.
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :18 after 17196
Incomplete random walk after 10000 steps, including 2 resets, run finished after 994 ms. (steps per millisecond=10 ) properties (out of 16) seen :11
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 5) 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 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 5) seen :1
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-18 12:28:09] [INFO ] Flow matrix only has 73 transitions (discarded 9 similar events)
// Phase 1: matrix 73 rows 98 cols
[2023-03-18 12:28:09] [INFO ] Computed 28 place invariants in 30 ms
[2023-03-18 12:28:09] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-18 12:28:09] [INFO ] [Real]Absence check using 2 positive and 26 generalized place invariants in 18 ms returned sat
[2023-03-18 12:28:09] [INFO ] After 340ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:3
[2023-03-18 12:28:10] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-18 12:28:10] [INFO ] [Nat]Absence check using 2 positive and 26 generalized place invariants in 17 ms returned sat
[2023-03-18 12:28:10] [INFO ] After 137ms SMT Verify possible using state equation in natural domain returned unsat :3 sat :1
[2023-03-18 12:28:10] [INFO ] State equation strengthened by 39 read => feed constraints.
[2023-03-18 12:28:10] [INFO ] After 26ms SMT Verify possible using 39 Read/Feed constraints in natural domain returned unsat :3 sat :1
[2023-03-18 12:28:10] [INFO ] After 60ms SMT Verify possible using trap constraints in natural domain returned unsat :3 sat :1
Attempting to minimize the solution found.
Minimization took 36 ms.
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :17196 after 1.90922e+06
[2023-03-18 12:28:10] [INFO ] After 444ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :1
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-13 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-05 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 82/82 transitions.
Graph (complete) has 173 edges and 98 vertex of which 67 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.1 ms
Discarding 31 places :
Also discarding 0 output transitions
Ensure Unique test removed 20 places
Drop transitions removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 0 with 44 rules applied. Total rules applied 45 place count 47 transition count 58
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 45 place count 47 transition count 57
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 47 place count 46 transition count 57
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 56 place count 37 transition count 48
Iterating global reduction 1 with 9 rules applied. Total rules applied 65 place count 37 transition count 48
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 66 place count 37 transition count 47
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 74 place count 29 transition count 39
Iterating global reduction 2 with 8 rules applied. Total rules applied 82 place count 29 transition count 39
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 88 place count 23 transition count 33
Iterating global reduction 2 with 6 rules applied. Total rules applied 94 place count 23 transition count 33
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 100 place count 23 transition count 27
Free-agglomeration rule applied 4 times.
Iterating global reduction 3 with 4 rules applied. Total rules applied 104 place count 23 transition count 23
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 109 place count 19 transition count 22
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 110 place count 18 transition count 21
Applied a total of 110 rules in 100 ms. Remains 18 /98 variables (removed 80) and now considering 21/82 (removed 61) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 101 ms. Remains : 18/98 places, 21/82 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 73 ms. (steps per millisecond=136 ) properties (out of 1) seen :0
Finished Best-First random walk after 661 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=330 )
FORMULA SemanticWebServices-PT-S064P09-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
All properties solved without resorting to model-checking.
Total runtime 2839 ms.
BK_STOP 1679142492045
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="SemanticWebServices-PT-S064P09"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
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 itstools"
echo " Input is SemanticWebServices-PT-S064P09, 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 r357-smll-167891806200350"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SemanticWebServices-PT-S064P09.tgz
mv SemanticWebServices-PT-S064P09 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 '
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 ;