Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r178-tajo-158987881700003.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
..................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is DLCshifumi-PT-2a, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-tajo-158987881700003
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 392K
-rw-r--r-- 1 mcc users 2.8K Mar 30 21:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 15K Mar 30 21:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 29 11:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 13K Mar 29 11:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.2K Apr 8 14:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Apr 8 14:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 28 07:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 22K Mar 28 07:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 27 01:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 27 01:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 28 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 28 14:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 213K Mar 24 05:37 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 DLCshifumi-PT-2a-CTLCardinality-00
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-01
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-02
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-03
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-04
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-05
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-06
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-07
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-08
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-09
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-10
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-11
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-12
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-13
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-14
FORMULA_NAME DLCshifumi-PT-2a-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1591199198195

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 15:46:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-03 15:46:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 15:46:40] [INFO ] Load time of PNML (sax parser for PT used): 90 ms
[2020-06-03 15:46:40] [INFO ] Transformed 188 places.
[2020-06-03 15:46:40] [INFO ] Transformed 888 transitions.
[2020-06-03 15:46:40] [INFO ] Found NUPN structural information;
[2020-06-03 15:46:40] [INFO ] Parsed PT model containing 188 places and 888 transitions in 154 ms.
Ensure Unique test removed 128 transitions
Reduce redundant transitions removed 128 transitions.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 27 ms.
Incomplete random walk after 100000 steps, including 0 resets, run finished after 371 ms. (steps per millisecond=269 ) properties seen :[0, 1, 1, 1, 1, 1, 1, 0, 1, 0]
[2020-06-03 15:46:40] [INFO ] Flow matrix only has 184 transitions (discarded 576 similar events)
// Phase 1: matrix 184 rows 188 cols
[2020-06-03 15:46:40] [INFO ] Computed 79 place invariants in 7 ms
[2020-06-03 15:46:40] [INFO ] [Real]Absence check using 79 positive place invariants in 46 ms returned sat
[2020-06-03 15:46:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 15:46:40] [INFO ] [Real]Absence check using state equation in 134 ms returned sat
[2020-06-03 15:46:40] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 15:46:41] [INFO ] [Nat]Absence check using 79 positive place invariants in 35 ms returned unsat
[2020-06-03 15:46:41] [INFO ] [Real]Absence check using 79 positive place invariants in 26 ms returned sat
[2020-06-03 15:46:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 15:46:41] [INFO ] [Real]Absence check using state equation in 119 ms returned sat
[2020-06-03 15:46:41] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 15:46:41] [INFO ] [Nat]Absence check using 79 positive place invariants in 25 ms returned unsat
[2020-06-03 15:46:41] [INFO ] [Real]Absence check using 79 positive place invariants in 27 ms returned sat
[2020-06-03 15:46:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 15:46:41] [INFO ] [Real]Absence check using state equation in 182 ms returned sat
[2020-06-03 15:46:41] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 15:46:41] [INFO ] [Nat]Absence check using 79 positive place invariants in 23 ms returned unsat
Successfully simplified 3 atomic propositions for a total of 3 simplifications.
[2020-06-03 15:46:41] [INFO ] Initial state reduction rules for CTL removed 13 formulas.
[2020-06-03 15:46:41] [INFO ] Flatten gal took : 72 ms
[2020-06-03 15:46:41] [INFO ] Initial state reduction rules for CTL removed 14 formulas.
[2020-06-03 15:46:41] [INFO ] Flatten gal took : 29 ms
FORMULA DLCshifumi-PT-2a-CTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-2a-CTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-06-03 15:46:41] [INFO ] Export to MCC properties in file /home/mcc/execution/CTLCardinality.sr.xml took 2 ms.
[2020-06-03 15:46:41] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 9 ms.
info: Time: 3600 - MCC
vrfy: Checking CTLCardinality @ DLCshifumi-PT-2a @ 3570 seconds

FORMULA DLCshifumi-PT-2a-CTLCardinality-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DLCshifumi-PT-2a-CTLCardinality-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
vrfy: finished
info: timeLeft: 3567
rslt: Output for CTLCardinality @ DLCshifumi-PT-2a

{
"build":
{
"architecture": 64,
"assertions": false,
"build_hostname": "mcc2019",
"build_system": "x86_64-unknown-linux-gnu",
"optimizations": true,
"package_version": "2.0",
"svn_version": "3189M"
},
"call":
{
"exec_host": "mcc2020",
"markinglimit": null,
"parameters":
[
"--pnmlnet",
"model.pnml",
"--xmlformula",
"--formula=CTLCardinality.xml",
"--mcc",
"--donotcomputecapacities",
"--encoder=simplecompressed",
"--safe",
"--check=modelchecking",
"--stubborn=tarjan",
"--stateequation=par",
"--quickchecks",
"--timelimit=3570",
"--localtimelimit=0",
"--preference=force_ctl",
"--json=CTLCardinality.json",
"--jsoninclude=formula,formulastat,net"
],
"starttime": "Wed Jun 3 15:46:42 2020
",
"timelimit": 3570
},
"child":
[

{
"call":
{
"dynamic_timelimit": true,
"localtimelimit": 1783
},
"exit":
{
"localtimelimitreached": false
},
"formula":
{
"count":
{
"A": 1,
"E": 0,
"F": 0,
"G": 1,
"U": 0,
"X": 0,
"aconj": 5,
"adisj": 2,
"aneg": 0,
"comp": 5,
"cont": 0,
"dl": 0,
"fir": 0,
"nodl": 0,
"place_references": 5,
"taut": 0,
"tconj": 0,
"tdisj": 0,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 5,
"visible_transitions": 0
},
"processed": "A (G ((((p17 <= 0)) OR ((1 <= p57)) OR ((1 <= p162) AND (((p41 <= 0)) OR ((1 <= p101)))))))",
"processed_size": 94,
"rewrites": 2
},
"result":
{
"edges": 3,
"markings": 4,
"produced_by": "state space",
"value": false
},
"task":
{
"compoundnumber": 0,
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "reachability preserving/insertion"
},
"threads": 1,
"type": "dfs"
},
"stateequation":
{
"literals": 7,
"problems": 2
},
"type": "invariance",
"workflow": "stateequation||search"
}
},

{
"call":
{
"dynamic_timelimit": true,
"localtimelimit": 3567
},
"exit":
{
"localtimelimitreached": false
},
"formula":
{
"count":
{
"A": 0,
"E": 0,
"F": 0,
"G": 0,
"U": 0,
"X": 0,
"aconj": 2,
"adisj": 1,
"aneg": 1,
"comp": 2,
"cont": 0,
"dl": 0,
"fir": 0,
"nodl": 0,
"place_references": 2,
"taut": 0,
"tconj": 0,
"tdisj": 0,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 2,
"visible_transitions": 0
},
"processed": "(((1 <= p111)) AND ((p89 <= 0)))",
"processed_size": 32,
"rewrites": 4
},
"result":
{
"edges": 6,
"markings": 6,
"produced_by": "state space /EFEG",
"value": false
},
"task":
{
"compoundnumber": 1,
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "reachability preserving/insertion",
"visible": 19
},
"threads": 1,
"type": "dfs"
},
"stateequation":
{
"literals": 2,
"problems": 2
},
"type": "eventual_occurrence_from_all_states",
"workflow": "stateequation"
}
}
],
"exit":
{
"error": null,
"memory": 22432,
"runtime": 3.000000,
"signal": null,
"timelimitreached": false
},
"files":
{
"formula": "CTLCardinality.xml",
"net": "model.pnml"
},
"formula":
{
"skeleton": "A(G(**)) : A(G(A(F(**))))"
},
"net":
{
"arcs": 2786,
"conflict_clusters": 49,
"places": 188,
"places_significant": 109,
"singleton_clusters": 0,
"transitions": 760
},
"result":
{
"preliminary_value": "no no ",
"value": "no no "
},
"task":
{
"type": "compound"
}
}
lola: LoLA will run for 3570 seconds at most (--timelimit)
lola: NET
lola: input: PNML file (--pnml)
lola: reading net from model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file model.pnml
lola: 948/268435456 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 188
lola: finding significant places
lola: 188 places, 760 transitions, 109 significant places
lola: compute conflict clusters
lola: computed conflict clusters
lola: Computing conflicting sets
lola: Computing back conflicting sets
lola: TASK
lola: Reading formula in XML format (--xmlformula)
lola: reading pnml
lola: reading formula from CTLCardinality.xml
lola: LP says that atomic proposition is always true: (p57 <= 1)
lola: LP says that atomic proposition is always true: (p162 <= 1)
lola: LP says that atomic proposition is always true: (p101 <= 1)
lola: LP says that atomic proposition is always true: (p89 <= 1)
lola: A (G ((((p17 <= 0)) OR ((1 <= p57)) OR ((1 <= p162) AND (((p41 <= 0)) OR ((1 <= p101))))))) : A (G (A (F ((((p111 <= 0)) OR ((1 <= p89)))))))
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 1783 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((((p17 <= 0)) OR ((1 <= p57)) OR ((1 <= p162) AND (((p41 <= 0)) OR ((1 <= p101)))))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: processed formula: A (G ((((p17 <= 0)) OR ((1 <= p57)) OR ((1 <= p162) AND (((p41 <= 0)) OR ((1 <= p101)))))))
lola: processed formula length: 94
lola: 2 rewrites
lola: closed formula file CTLCardinality.xml
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: built state equation task
lola: RUNNING
lola: state equation task get result started, id 0
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: SUBRESULT
lola: formula 0: (((1 <= p17)) AND ((p57 <= 0)) AND ((p162 <= 0) OR (((1 <= p41)) AND ((p101 <= 0)))))
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 7 literals and 2 conjunctive subformulas
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 4 markings, 3 edges
lola: ========================================
lola: subprocess 1 will run for 3567 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (A (F ((((p111 <= 0)) OR ((1 <= p89)))))))
lola: ========================================
lola: SUBTASK
lola: checking eventual occurrence from all states
lola: rewrite Frontend/Parser/formula_rewrite.k:599
lola: rewrite Frontend/Parser/formula_rewrite.k:634
lola: rewrite Frontend/Parser/formula_rewrite.k:734
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: processed formula: (((1 <= p111)) AND ((p89 <= 0)))
lola: processed formula length: 32
lola: 4 rewrites
lola: closed formula file CTLCardinality.xml
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space /EFEG)
lola: state space: using reachability graph (EFEG version) (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: Planning: workflow for reachability check: stateequation (--findpath=off)
lola: built state equation task
lola: Planning: workflow for reachability check: stateequation (--findpath=off)
lola: built state equation task
lola: RUNNING
lola: state equation task get result started, id 0
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:700
lola: state equation task get result rewrite finished id 0
lola: SUBRESULT
lola: result: no
lola: produced by: state space /EFEG
lola: state equation task get result started, id 1
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: state equation task get result rewrite finished id 1
lola: state equation task get result unparse finished++ id 0
lola: The predicate does not eventually occur from all states.
lola: state equation task get result unparse finished++ id 1
lola: formula 1: (((1 <= p111)) AND ((p89 <= 0)))
lola: state equation task get result unparse finished id 1
lola: state equation: Generated DNF with 2 literals and 1 conjunctive subformulas
lola: formula 0: (((p111 <= 0)) OR ((1 <= p89)))
lola: 6 markings, 6 edges
lola: ========================================
lola: RESULT
lola:
SUMMARY: no no
lola:
preliminary result: no no
lola: memory consumption: 22432 KB
lola: time consumption: 3 seconds
lola: print data as JSON (--json)
lola: writing JSON to CTLCardinality.json
lola: closed JSON file CTLCardinality.json
rslt: finished

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

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="DLCshifumi-PT-2a"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itslola"
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 itslola"
echo " Input is DLCshifumi-PT-2a, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r178-tajo-158987881700003"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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