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.r165-tall-167838850600597.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 FlexibleBarrier-PT-22b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r165-tall-167838850600597
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 8.0K Feb 25 12:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Feb 25 12:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 12:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 25 12:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 12:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 150K Feb 25 12:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 25 12:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 25 12:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 1.8M Mar 5 18:22 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

here is the order used to build the result vector(from text file)
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-00
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-01
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-02
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-03
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-04
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-05
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-06
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-07
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-08
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-09
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-10
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-11
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-12
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-13
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-14
FORMULA_NAME FlexibleBarrier-PT-22b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679517546868

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=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-22b
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202303021504
[2023-03-22 20:39:08] [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]
[2023-03-22 20:39:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 20:39:08] [INFO ] Load time of PNML (sax parser for PT used): 220 ms
[2023-03-22 20:39:08] [INFO ] Transformed 6478 places.
[2023-03-22 20:39:08] [INFO ] Transformed 7469 transitions.
[2023-03-22 20:39:08] [INFO ] Found NUPN structural information;
[2023-03-22 20:39:08] [INFO ] Parsed PT model containing 6478 places and 7469 transitions and 18797 arcs in 331 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
// Phase 1: matrix 7469 rows 6478 cols
[2023-03-22 20:39:09] [INFO ] Computed 24 place invariants in 260 ms
Incomplete random walk after 10000 steps, including 68 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 16) seen :3
FORMULA FlexibleBarrier-PT-22b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 13) seen :2
FORMULA FlexibleBarrier-PT-22b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-22b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 4 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 11) seen :1
FORMULA FlexibleBarrier-PT-22b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 10) seen :1
FORMULA FlexibleBarrier-PT-22b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2023-03-22 20:39:09] [INFO ] Invariant cache hit.
[2023-03-22 20:39:11] [INFO ] [Real]Absence check using 24 positive place invariants in 174 ms returned sat
[2023-03-22 20:39:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:39:14] [INFO ] [Real]Absence check using state equation in 3489 ms returned unknown
[2023-03-22 20:39:16] [INFO ] [Real]Absence check using 24 positive place invariants in 157 ms returned sat
[2023-03-22 20:39:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:39:19] [INFO ] [Real]Absence check using state equation in 3964 ms returned unknown
[2023-03-22 20:39:20] [INFO ] [Real]Absence check using 24 positive place invariants in 154 ms returned sat
[2023-03-22 20:39:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:39:25] [INFO ] [Real]Absence check using state equation in 4020 ms returned unknown
[2023-03-22 20:39:26] [INFO ] [Real]Absence check using 24 positive place invariants in 164 ms returned sat
[2023-03-22 20:39:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:39:30] [INFO ] [Real]Absence check using state equation in 3891 ms returned unknown
[2023-03-22 20:39:31] [INFO ] [Real]Absence check using 24 positive place invariants in 166 ms returned sat
[2023-03-22 20:39:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:39:35] [INFO ] [Real]Absence check using state equation in 3974 ms returned unknown
[2023-03-22 20:39:36] [INFO ] [Real]Absence check using 24 positive place invariants in 157 ms returned sat
[2023-03-22 20:39:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:39:40] [INFO ] [Real]Absence check using state equation in 3917 ms returned unknown
[2023-03-22 20:39:41] [INFO ] [Real]Absence check using 24 positive place invariants in 162 ms returned sat
[2023-03-22 20:39:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:39:45] [INFO ] [Real]Absence check using state equation in 3895 ms returned unknown
[2023-03-22 20:39:46] [INFO ] [Real]Absence check using 24 positive place invariants in 153 ms returned sat
[2023-03-22 20:39:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:39:50] [INFO ] [Real]Absence check using state equation in 4008 ms returned unknown
[2023-03-22 20:39:51] [INFO ] [Real]Absence check using 24 positive place invariants in 154 ms returned sat
[2023-03-22 20:39:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:39:55] [INFO ] [Real]Absence check using state equation in 4005 ms returned unknown
Current structural bounds on expressions (after SMT) : [1, 1, 1, 1, 1, 1, 1, 1, 1] Max seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Support contains 9 out of 6478 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6478/6478 places, 7469/7469 transitions.
Graph (trivial) has 6397 edges and 6478 vertex of which 134 / 6478 are part of one of the 22 SCC in 24 ms
Free SCC test removed 112 places
Drop transitions removed 135 transitions
Reduce isomorphic transitions removed 135 transitions.
Drop transitions removed 1567 transitions
Trivial Post-agglo rules discarded 1567 transitions
Performed 1567 trivial Post agglomeration. Transition count delta: 1567
Iterating post reduction 0 with 1567 rules applied. Total rules applied 1568 place count 6366 transition count 5767
Reduce places removed 1567 places and 0 transitions.
Iterating post reduction 1 with 1567 rules applied. Total rules applied 3135 place count 4799 transition count 5767
Performed 459 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 459 Pre rules applied. Total rules applied 3135 place count 4799 transition count 5308
Deduced a syphon composed of 459 places in 4 ms
Reduce places removed 459 places and 0 transitions.
Iterating global reduction 2 with 918 rules applied. Total rules applied 4053 place count 4340 transition count 5308
Discarding 2688 places :
Symmetric choice reduction at 2 with 2688 rule applications. Total rules 6741 place count 1652 transition count 2620
Iterating global reduction 2 with 2688 rules applied. Total rules applied 9429 place count 1652 transition count 2620
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 19 Pre rules applied. Total rules applied 9429 place count 1652 transition count 2601
Deduced a syphon composed of 19 places in 5 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 2 with 38 rules applied. Total rules applied 9467 place count 1633 transition count 2601
Discarding 436 places :
Symmetric choice reduction at 2 with 436 rule applications. Total rules 9903 place count 1197 transition count 2165
Iterating global reduction 2 with 436 rules applied. Total rules applied 10339 place count 1197 transition count 2165
Ensure Unique test removed 434 transitions
Reduce isomorphic transitions removed 434 transitions.
Iterating post reduction 2 with 434 rules applied. Total rules applied 10773 place count 1197 transition count 1731
Performed 116 Post agglomeration using F-continuation condition.Transition count delta: 116
Deduced a syphon composed of 116 places in 1 ms
Reduce places removed 116 places and 0 transitions.
Iterating global reduction 3 with 232 rules applied. Total rules applied 11005 place count 1081 transition count 1615
Drop transitions removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 3 with 44 rules applied. Total rules applied 11049 place count 1081 transition count 1571
Discarding 22 places :
Symmetric choice reduction at 4 with 22 rule applications. Total rules 11071 place count 1059 transition count 1549
Iterating global reduction 4 with 22 rules applied. Total rules applied 11093 place count 1059 transition count 1549
Free-agglomeration rule applied 933 times.
Iterating global reduction 4 with 933 rules applied. Total rules applied 12026 place count 1059 transition count 616
Reduce places removed 933 places and 0 transitions.
Drop transitions removed 419 transitions
Reduce isomorphic transitions removed 419 transitions.
Iterating post reduction 4 with 1352 rules applied. Total rules applied 13378 place count 126 transition count 197
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 13379 place count 125 transition count 196
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 110 edges and 124 vertex of which 44 / 124 are part of one of the 22 SCC in 0 ms
Free SCC test removed 22 places
Iterating post reduction 5 with 2 rules applied. Total rules applied 13381 place count 102 transition count 196
Drop transitions removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 6 with 44 rules applied. Total rules applied 13425 place count 102 transition count 152
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 22 Pre rules applied. Total rules applied 13425 place count 102 transition count 130
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 7 with 44 rules applied. Total rules applied 13469 place count 80 transition count 130
Drop transitions removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 7 with 22 rules applied. Total rules applied 13491 place count 80 transition count 108
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 8 with 44 rules applied. Total rules applied 13535 place count 58 transition count 86
Free-agglomeration rule applied 22 times.
Iterating global reduction 8 with 22 rules applied. Total rules applied 13557 place count 58 transition count 64
Reduce places removed 38 places and 0 transitions.
Drop transitions removed 22 transitions
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 8 with 75 rules applied. Total rules applied 13632 place count 20 transition count 27
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 9 with 5 rules applied. Total rules applied 13637 place count 20 transition count 22
Applied a total of 13637 rules in 1550 ms. Remains 20 /6478 variables (removed 6458) and now considering 22/7469 (removed 7447) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1551 ms. Remains : 20/6478 places, 22/7469 transitions.
// Phase 1: matrix 22 rows 20 cols
[2023-03-22 20:39:56] [INFO ] Computed 7 place invariants in 0 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 949 ms. (steps per millisecond=1053 ) properties (out of 9) seen :9
FORMULA FlexibleBarrier-PT-22b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 49320 ms.

BK_STOP 1679517602220

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /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="FlexibleBarrier-PT-22b"
export BK_EXAMINATION="UpperBounds"
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 FlexibleBarrier-PT-22b, 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 r165-tall-167838850600597"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-22b.tgz
mv FlexibleBarrier-PT-22b 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;