Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r013-tall-174853743100093.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is AutonomousCar-PT-09b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r013-tall-174853743100093
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 71K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 865K May 29 14:32 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-00
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-01
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-02
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-03
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-04
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-05
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-06
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-07
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-08
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-09
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-10
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-11
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-12
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-13
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-14
FORMULA_NAME AutonomousCar-PT-09b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748541197189

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutonomousCar-PT-09b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-05-29 17:53:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-29 17:53:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 17:53:18] [INFO ] Load time of PNML (sax parser for PT used): 192 ms
[2025-05-29 17:53:18] [INFO ] Transformed 391 places.
[2025-05-29 17:53:18] [INFO ] Transformed 1554 transitions.
[2025-05-29 17:53:18] [INFO ] Found NUPN structural information;
[2025-05-29 17:53:18] [INFO ] Parsed PT model containing 391 places and 1554 transitions and 16243 arcs in 315 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 1554 rows 391 cols
[2025-05-29 17:53:18] [INFO ] Computed 14 invariants in 50 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (84 resets) in 75 ms. (131 steps per ms)
FORMULA AutonomousCar-PT-09b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-09b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20002 steps (25 resets) in 35 ms. (555 steps per ms)
FORMULA AutonomousCar-PT-09b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2025-05-29 17:53:19] [INFO ] Invariant cache hit.
[2025-05-29 17:53:19] [INFO ] [Real]Absence check using 14 positive place invariants in 11 ms returned sat
[2025-05-29 17:53:19] [INFO ] [Real]Absence check using state equation in 386 ms returned sat
[2025-05-29 17:53:20] [INFO ] Deduced a trap composed of 35 places in 594 ms of which 32 ms to minimize.
[2025-05-29 17:53:20] [INFO ] Solution in real domain found non-integer solution.
[2025-05-29 17:53:20] [INFO ] [Nat]Absence check using 14 positive place invariants in 15 ms returned sat
[2025-05-29 17:53:20] [INFO ] [Nat]Absence check using state equation in 352 ms returned sat
[2025-05-29 17:53:21] [INFO ] Deduced a trap composed of 35 places in 509 ms of which 2 ms to minimize.
[2025-05-29 17:53:22] [INFO ] Deduced a trap composed of 19 places in 542 ms of which 6 ms to minimize.
[2025-05-29 17:53:22] [INFO ] Deduced a trap composed of 35 places in 461 ms of which 3 ms to minimize.
[2025-05-29 17:53:22] [INFO ] Deduced a trap composed of 35 places in 427 ms of which 2 ms to minimize.
[2025-05-29 17:53:23] [INFO ] Deduced a trap composed of 38 places in 418 ms of which 3 ms to minimize.
[2025-05-29 17:53:23] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2582 ms
[2025-05-29 17:53:23] [INFO ] Computed and/alt/rep : 315/361/315 causal constraints (skipped 1238 transitions) in 461 ms.
Maximisation of solution failed !
Minimization took 3 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 391 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p327) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 391/391 places, 1553/1553 transitions.
Graph (trivial) has 374 edges and 391 vertex of which 4 / 391 are part of one of the 2 SCC in 4 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (complete) has 1698 edges and 389 vertex of which 382 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.19 ms
Discarding 7 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 172 transitions
Trivial Post-agglo rules discarded 172 transitions
Performed 172 trivial Post agglomeration. Transition count delta: 172
Iterating post reduction 0 with 175 rules applied. Total rules applied 177 place count 381 transition count 1369
Reduce places removed 173 places and 1 transitions.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Graph (complete) has 1491 edges and 208 vertex of which 204 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.3 ms
Discarding 4 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 1 with 229 rules applied. Total rules applied 406 place count 204 transition count 1310
Reduce places removed 34 places and 2 transitions.
Iterating post reduction 2 with 34 rules applied. Total rules applied 440 place count 170 transition count 1308
Reduce places removed 1 places and 2 transitions.
Graph (complete) has 1446 edges and 169 vertex of which 166 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.3 ms
Discarding 3 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 443 place count 166 transition count 1303
Reduce places removed 2 places and 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 445 place count 164 transition count 1301
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 446 place count 163 transition count 1300
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 2 Pre rules applied. Total rules applied 446 place count 163 transition count 1298
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 450 place count 161 transition count 1298
Discarding 31 places :
Symmetric choice reduction at 6 with 31 rule applications. Total rules 481 place count 130 transition count 1267
Iterating global reduction 6 with 31 rules applied. Total rules applied 512 place count 130 transition count 1267
Ensure Unique test removed 324 transitions
Reduce isomorphic transitions removed 324 transitions.
Iterating post reduction 6 with 324 rules applied. Total rules applied 836 place count 130 transition count 943
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 2 Pre rules applied. Total rules applied 836 place count 130 transition count 941
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 840 place count 128 transition count 941
Discarding 9 places :
Symmetric choice reduction at 7 with 9 rule applications. Total rules 849 place count 119 transition count 860
Iterating global reduction 7 with 9 rules applied. Total rules applied 858 place count 119 transition count 860
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 7 with 18 rules applied. Total rules applied 876 place count 119 transition count 842
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 8 with 9 rules applied. Total rules applied 885 place count 110 transition count 842
Performed 39 Post agglomeration using F-continuation condition.Transition count delta: 39
Deduced a syphon composed of 39 places in 1 ms
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 9 with 78 rules applied. Total rules applied 963 place count 71 transition count 803
Discarding 9 places :
Symmetric choice reduction at 9 with 9 rule applications. Total rules 972 place count 62 transition count 713
Iterating global reduction 9 with 9 rules applied. Total rules applied 981 place count 62 transition count 713
Free-agglomeration rule applied 9 times.
Iterating global reduction 9 with 9 rules applied. Total rules applied 990 place count 62 transition count 704
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 9 with 9 rules applied. Total rules applied 999 place count 53 transition count 704
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 1 rules applied. Total rules applied 1000 place count 52 transition count 703
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1001 place count 51 transition count 703
Applied a total of 1001 rules in 376 ms. Remains 51 /391 variables (removed 340) and now considering 703/1553 (removed 850) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 386 ms. Remains : 51/391 places, 703/1553 transitions.
// Phase 1: matrix 703 rows 51 cols
[2025-05-29 17:53:25] [INFO ] Computed 12 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (9014 resets) in 7812 ms. (127 steps per ms)
FORMULA AutonomousCar-PT-09b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (1146 resets) in 1200 ms. (832 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-05-29 17:53:35] [INFO ] Flatten gal took : 247 ms
[2025-05-29 17:53:35] [INFO ] Flatten gal took : 122 ms
[2025-05-29 17:53:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3798772549545612312.gal : 46 ms
[2025-05-29 17:53:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6353572403894996947.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3798772549545612312.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6353572403894996947.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 17151 ms.

BK_STOP 1748541215580

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -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="AutonomousCar-PT-09b"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is AutonomousCar-PT-09b, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r013-tall-174853743100093"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-09b.tgz
mv AutonomousCar-PT-09b execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;