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.r096-oct2-158940144800283.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 HypertorusGrid-PT-d2k2p1b00, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-oct2-158940144800283
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 220K
-rw-r--r-- 1 mcc users 3.8K Apr 27 15:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Apr 27 15:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Apr 27 15:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K 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 5.9K Apr 27 15:14 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Apr 27 15:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 20K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Apr 27 15:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Apr 27 15:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Apr 27 15:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.3K Apr 27 15:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 21K Apr 27 15:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 27 15:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 27 15:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Apr 27 15:14 equiv_col
-rw-r--r-- 1 mcc users 10 Apr 27 15:14 instance
-rw-r--r-- 1 mcc users 6 Apr 27 15:14 iscolored
-rwxr-xr-x 1 mcc users 35K 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 HypertorusGrid-PT-d2k2p1b00-CTLCardinality-00
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-01
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-02
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-03
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-04
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-05
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-06
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-07
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-08
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-09
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-10
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-11
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-12
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-13
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-14
FORMULA_NAME HypertorusGrid-PT-d2k2p1b00-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1589567939076

[2020-05-15 18:39:03] [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, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2020-05-15 18:39:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-15 18:39:03] [INFO ] Load time of PNML (sax parser for PT used): 32 ms
[2020-05-15 18:39:03] [INFO ] Transformed 52 places.
[2020-05-15 18:39:03] [INFO ] Transformed 64 transitions.
[2020-05-15 18:39:03] [INFO ] Parsed PT model containing 52 places and 64 transitions in 89 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 23 ms.
Incomplete random walk after 100000 steps, including 111 resets, run finished after 433 ms. (steps per millisecond=230 ) properties seen :[1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1]
// Phase 1: matrix 64 rows 52 cols
[2020-05-15 18:39:03] [INFO ] Computed 21 place invariants in 16 ms
[2020-05-15 18:39:04] [INFO ] [Real]Absence check using 20 positive place invariants in 117 ms returned unsat
[2020-05-15 18:39:04] [INFO ] [Real]Absence check using 20 positive place invariants in 14 ms returned unsat
[2020-05-15 18:39:04] [INFO ] [Real]Absence check using 20 positive place invariants in 52 ms returned unsat
[2020-05-15 18:39:04] [INFO ] [Real]Absence check using 20 positive place invariants in 15 ms returned unsat
[2020-05-15 18:39:04] [INFO ] [Real]Absence check using 20 positive place invariants in 33 ms returned unsat
[2020-05-15 18:39:04] [INFO ] [Real]Absence check using 20 positive place invariants in 59 ms returned unsat
[2020-05-15 18:39:04] [INFO ] [Real]Absence check using 20 positive place invariants in 4 ms returned unsat
[2020-05-15 18:39:04] [INFO ] [Real]Absence check using 20 positive place invariants in 6 ms returned unsat
[2020-05-15 18:39:04] [INFO ] [Real]Absence check using 20 positive place invariants in 12 ms returned unsat
[2020-05-15 18:39:04] [INFO ] [Real]Absence check using 20 positive place invariants in 54 ms returned unsat
Successfully simplified 10 atomic propositions for a total of 10 simplifications.
[2020-05-15 18:39:04] [INFO ] Initial state reduction rules for CTL removed 5 formulas.
[2020-05-15 18:39:04] [INFO ] Flatten gal took : 63 ms
[2020-05-15 18:39:04] [INFO ] Initial state reduction rules for CTL removed 6 formulas.
[2020-05-15 18:39:04] [INFO ] Flatten gal took : 14 ms
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-05-15 18:39:04] [INFO ] Applying decomposition
[2020-05-15 18:39:04] [INFO ] Flatten gal took : 21 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/convert-linux64, -i, /tmp/graph11943480307430499753.txt, -o, /tmp/graph11943480307430499753.bin, -w, /tmp/graph11943480307430499753.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/louvain-linux64, /tmp/graph11943480307430499753.bin, -l, -1, -v, -w, /tmp/graph11943480307430499753.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-15 18:39:05] [INFO ] Decomposing Gal with order
[2020-05-15 18:39:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-15 18:39:05] [INFO ] Removed a total of 66 redundant transitions.
[2020-05-15 18:39:05] [INFO ] Flatten gal took : 57 ms
[2020-05-15 18:39:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 18 labels/synchronizations in 4 ms.
[2020-05-15 18:39:05] [INFO ] Time to serialize gal into /home/mcc/execution/CTLCardinality.pnml.gal : 25 ms
[2020-05-15 18:39:05] [INFO ] Time to serialize properties into /home/mcc/execution/CTLCardinality.ctl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLCardinality.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLCardinality.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLCardinality.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLCardinality.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 10 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,5.17371e+10,1.00832,33144,2,2195,5,157851,6,0,285,170252,0


Converting to forward existential form...Done !
original formula: EF(AG(((gu9.po_d1_n1_2_1<=gu9.pil_d2_n1_2_1)&&(gi3.gu3.pbl_2_2>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !(((gu9.po_d1_n1_2_1<=gu9.pil_d2_n1_2_1)&&(gi3.gu3.pbl_2_2>=1))))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,7.38702,189280,1,0,9,896112,15,3,1396,1.1144e+06,5
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: E((gi5.gu5.pi_d2_n1_1_1<=gi5.gu5.po_d2_n1_1_2) U ((gi1.gu6.pi_d1_n1_1_2>=2)||(gu0.pb_d2_n1_1_2>=3)))
=> equivalent forward existential formula: [(FwdU(Init,(gi5.gu5.pi_d2_n1_1_1<=gi5.gu5.po_d2_n1_1_2)) * ((gi1.gu6.pi_d1_n1_1_2>=2)||(gu0.pb_d2_n1_1_2>=3)))] != FALSE
Hit Full ! (commute/partial/dont) 46/0/8
(forward)formula 1,1,8.53011,231940,1,0,14,1.14665e+06,23,4,1552,1.37021e+06,9
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: (EX(EG((gu0.pb_d2_n1_1_2<=gu0.po_d1_n1_1_1))) * (AG((gi3.gu3.pb_d1_n1_2_2<3)) + !(AG((gu13.po_d2_n1_2_1<=gu13.pol_d2_n1_1_2)))))
=> equivalent forward existential formula: ([(Init * !(EX(EG((gu0.pb_d2_n1_1_2<=gu0.po_d1_n1_1_1)))))] = FALSE * [(FwdU((Init * !(!(!(E(TRUE U !((gu13.po_d2_n1_2_1<=gu13.pol_d2_n1_1_2))))))),TRUE) * !((gi3.gu3.pb_d1_n1_2_2<3)))] = FALSE)
Hit Full ! (commute/partial/dont) 48/0/6
(forward)formula 2,1,57.1402,1576652,1,0,28,8.39683e+06,37,12,1650,9.09769e+06,21
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: EF(AX(FALSE))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EX(!(FALSE))))] != FALSE
(forward)formula 3,1,57.1436,1576916,1,0,28,8.39683e+06,37,13,1650,9.10012e+06,21
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: EF(AG(((gi5.gu5.po_d2_n1_1_2<=gi5.gu7.pil_d1_n1_2_1)&&(gi3.gu3.pbl_2_2<=gi3.gu3.pbl_1_1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !(((gi5.gu5.po_d2_n1_1_2<=gi5.gu7.pil_d1_n1_2_1)&&(gi3.gu3.pbl_2_2<=gi3.gu3.pbl_1_1))))))] != FALSE
(forward)formula 4,1,59.9699,1668388,1,0,31,8.83714e+06,39,15,1667,9.69042e+06,24
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: (EF(EG((gu14.pb_d1_n1_2_1<=gu14.pb_d2_n2_2_2))) * !(AG((gu14.pb_d1_n1_2_1<=gu14.po_d2_n1_2_2))))
=> equivalent forward existential formula: [(FwdU((Init * E(TRUE U EG((gu14.pb_d1_n1_2_1<=gu14.pb_d2_n2_2_2)))),TRUE) * !((gu14.pb_d1_n1_2_1<=gu14.po_d2_n1_2_2)))] != FALSE
Hit Full ! (commute/partial/dont) 48/0/6
(forward)formula 5,1,145.989,3048828,1,0,37,1.60581e+07,16,17,1169,1.77522e+07,5
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: AG(((gi1.gu15.po_d2_n1_1_1>=1) + EX((gi5.gu7.pil_d1_n1_2_1<=gi5.gu7.pi_d2_n1_1_2))))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * !((gi1.gu15.po_d2_n1_1_1>=1))) * !(EX((gi5.gu7.pil_d1_n1_2_1<=gi5.gu7.pi_d2_n1_1_2))))] = FALSE
(forward)formula 6,0,146.133,3048828,1,0,37,1.60581e+07,19,17,1174,1.77522e+07,8
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: EF(AG(((gu4.pi_d1_n1_1_1<=gu4.pol_d2_n1_2_2)||(gi1.gu12.po_d1_n1_2_2>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !(((gu4.pi_d1_n1_1_1<=gu4.pol_d2_n1_2_2)||(gi1.gu12.po_d1_n1_2_2>=1))))))] != FALSE
(forward)formula 7,1,148.639,3048828,1,0,37,1.60581e+07,21,17,1182,1.77522e+07,11
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: EF((gi3.gu3.pb_d2_n1_2_2>=3))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * (gi3.gu3.pb_d2_n1_2_2>=3))] != FALSE
(forward)formula 8,1,148.639,3048828,1,0,37,1.60581e+07,22,17,1183,1.77522e+07,12
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: AF((gu14.pb_d2_n2_2_2<1))
=> equivalent forward existential formula: [FwdG(Init,!((gu14.pb_d2_n2_2_2<1)))] = FALSE
Hit Full ! (commute/partial/dont) 52/0/2
(forward)formula 9,0,148.676,3048828,1,0,37,1.60581e+07,32,17,1229,1.77522e+07,16
FORMULA HypertorusGrid-PT-d2k2p1b00-CTLCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************


BK_STOP 1589568095414

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution CTLCardinality -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 CTLCardinality -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="HypertorusGrid-PT-d2k2p1b00"
export BK_EXAMINATION="CTLCardinality"
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 HypertorusGrid-PT-d2k2p1b00, 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 r096-oct2-158940144800283"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HypertorusGrid-PT-d2k2p1b00.tgz
mv HypertorusGrid-PT-d2k2p1b00 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 ;