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.r180-ebro-158987900200398.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 DLCflexbar-PT-5b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r180-ebro-158987900200398
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.7M
-rw-r--r-- 1 mcc users 3.9K Mar 30 05:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Mar 30 05:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 28 19:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 28 19:46 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 3.6K Apr 8 14:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Apr 8 14:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 27 12:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Mar 27 12:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 26 10:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 26 10:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 28 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 6.5M 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 DLCflexbar-PT-5b-ReachabilityCardinality-00
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-01
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-02
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-03
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-04
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-05
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-06
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-07
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-08
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-09
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-10
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-11
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-12
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-13
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-14
FORMULA_NAME DLCflexbar-PT-5b-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1591216793743

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 20:39:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-03 20:39:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 20:39:58] [INFO ] Load time of PNML (sax parser for PT used): 1238 ms
[2020-06-03 20:39:58] [INFO ] Transformed 17305 places.
[2020-06-03 20:39:58] [INFO ] Transformed 26483 transitions.
[2020-06-03 20:39:58] [INFO ] Found NUPN structural information;
[2020-06-03 20:39:59] [INFO ] Parsed PT model containing 17305 places and 26483 transitions in 2915 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 6768 ms.
Working with output stream class java.io.PrintStream
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 0 resets, run finished after 408 ms. (steps per millisecond=24 ) properties seen :[0, 1, 1, 1, 0, 0, 0, 0]
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 53 ms. (steps per millisecond=188 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 49 ms. (steps per millisecond=204 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 47 ms. (steps per millisecond=212 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 38 ms. (steps per millisecond=263 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 36 ms. (steps per millisecond=277 ) properties seen :[0, 0, 0, 0, 0]
// Phase 1: matrix 26483 rows 17305 cols
[2020-06-03 20:40:09] [INFO ] Computed 979 place invariants in 2553 ms
[2020-06-03 20:40:14] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe") while checking expression at index 0
[2020-06-03 20:40:19] [INFO ] [Real]Absence check using 979 positive place invariants in 1669 ms returned (error "Solver has unexpectedly terminated")
[2020-06-03 20:40:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:40:20] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 1
[2020-06-03 20:40:25] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 20:40:25] [INFO ] [Real]Absence check using 979 positive place invariants in 1909 ms returned (error "Failed to check-sat")
[2020-06-03 20:40:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:40:25] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 2
[2020-06-03 20:40:30] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 20:40:30] [INFO ] [Real]Absence check using 979 positive place invariants in 1886 ms returned (error "Failed to check-sat")
[2020-06-03 20:40:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:40:30] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 3
[2020-06-03 20:40:35] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 20:40:35] [INFO ] [Real]Absence check using 979 positive place invariants in 2013 ms returned (error "Failed to check-sat")
[2020-06-03 20:40:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:40:35] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 4
Support contains 26 out of 17305 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 17305/17305 places, 26483/26483 transitions.
Graph (trivial) has 15792 edges and 17305 vertex of which 1368 / 17305 are part of one of the 89 SCC in 153 ms
Free SCC test removed 1279 places
Drop transitions removed 1443 transitions
Reduce isomorphic transitions removed 1443 transitions.
Performed 7762 Post agglomeration using F-continuation condition.Transition count delta: 7762
Iterating post reduction 0 with 9205 rules applied. Total rules applied 9206 place count 16026 transition count 17278
Reduce places removed 7762 places and 0 transitions.
Ensure Unique test removed 203 transitions
Reduce isomorphic transitions removed 203 transitions.
Performed 196 Post agglomeration using F-continuation condition.Transition count delta: 196
Iterating post reduction 1 with 8161 rules applied. Total rules applied 17367 place count 8264 transition count 16879
Reduce places removed 196 places and 0 transitions.
Ensure Unique test removed 60 transitions
Reduce isomorphic transitions removed 60 transitions.
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 59
Iterating post reduction 2 with 315 rules applied. Total rules applied 17682 place count 8068 transition count 16760
Reduce places removed 59 places and 0 transitions.
Iterating post reduction 3 with 59 rules applied. Total rules applied 17741 place count 8009 transition count 16760
Performed 76 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 76 Pre rules applied. Total rules applied 17741 place count 8009 transition count 16684
Deduced a syphon composed of 76 places in 2188 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 4 with 152 rules applied. Total rules applied 17893 place count 7933 transition count 16684
Symmetric choice reduction at 4 with 2251 rule applications. Total rules 20144 place count 7933 transition count 16684
Deduced a syphon composed of 2251 places in 2214 ms
Reduce places removed 2251 places and 2251 transitions.
Iterating global reduction 4 with 4502 rules applied. Total rules applied 24646 place count 5682 transition count 14433
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 4 with 5 rules applied. Total rules applied 24651 place count 5682 transition count 14428
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 24654 place count 5680 transition count 14427
Performed 976 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 976 Pre rules applied. Total rules applied 24654 place count 5680 transition count 13451
Deduced a syphon composed of 976 places in 2012 ms
Reduce places removed 976 places and 0 transitions.
Iterating global reduction 6 with 1952 rules applied. Total rules applied 26606 place count 4704 transition count 13451
Symmetric choice reduction at 6 with 168 rule applications. Total rules 26774 place count 4704 transition count 13451
Deduced a syphon composed of 168 places in 1865 ms
Reduce places removed 168 places and 4165 transitions.
Iterating global reduction 6 with 336 rules applied. Total rules applied 27110 place count 4536 transition count 9286
Ensure Unique test removed 133 transitions
Reduce isomorphic transitions removed 133 transitions.
Iterating post reduction 6 with 133 rules applied. Total rules applied 27243 place count 4536 transition count 9153
Performed 1143 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 1143 places in 10 ms
Reduce places removed 1143 places and 0 transitions.
Iterating global reduction 7 with 2286 rules applied. Total rules applied 29529 place count 3393 transition count 8003
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 7 with 7 rules applied. Total rules applied 29536 place count 3393 transition count 7996
Renaming transitions due to excessive name length > 1024 char.
Performed 101 Post agglomeration using F-continuation condition with reduction of 231 identical transitions.
Deduced a syphon composed of 101 places in 10 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 8 with 202 rules applied. Total rules applied 29738 place count 3292 transition count 8734
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 29739 place count 3292 transition count 8733
Performed 101 Post agglomeration using F-continuation condition with reduction of 189 identical transitions.
Deduced a syphon composed of 101 places in 12 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 9 with 202 rules applied. Total rules applied 29941 place count 3191 transition count 9505
Drop transitions removed 32 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 33 transitions.
Iterating post reduction 9 with 33 rules applied. Total rules applied 29974 place count 3191 transition count 9472
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: -98
Deduced a syphon composed of 11 places in 8 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 10 with 22 rules applied. Total rules applied 29996 place count 3180 transition count 9570
Drop transitions removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 10 with 23 rules applied. Total rules applied 30019 place count 3180 transition count 9547
Free-agglomeration rule applied 1964 times with reduction of 1286 identical transitions.
Iterating global reduction 11 with 1964 rules applied. Total rules applied 31983 place count 3180 transition count 6297
Reduce places removed 1964 places and 0 transitions.
Drop transitions removed 2644 transitions
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 2681 transitions.
Discarding 535 places :
Also discarding 1093 output transitions
Drop transitions removed 1093 transitions
Graph (complete) has 4388 edges and 1216 vertex of which 681 are kept as prefixes of interest. Removing 535 places using SCC suffix rule.24 ms
Iterating post reduction 11 with 4646 rules applied. Total rules applied 36629 place count 681 transition count 2523
Drop transitions removed 551 transitions
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 12 with 599 rules applied. Total rules applied 37228 place count 681 transition count 1924
Symmetric choice reduction at 13 with 10 rule applications. Total rules 37238 place count 681 transition count 1924
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 10 places and 70 transitions.
Iterating global reduction 13 with 20 rules applied. Total rules applied 37258 place count 671 transition count 1854
Ensure Unique test removed 58 transitions
Reduce isomorphic transitions removed 58 transitions.
Iterating post reduction 13 with 58 rules applied. Total rules applied 37316 place count 671 transition count 1796
Free-agglomeration rule (complex) applied 15 times.
Iterating global reduction 14 with 15 rules applied. Total rules applied 37331 place count 671 transition count 2816
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 1011 transitions
Reduce isomorphic transitions removed 1011 transitions.
Iterating post reduction 14 with 1026 rules applied. Total rules applied 38357 place count 656 transition count 1805
Symmetric choice reduction at 15 with 2 rule applications. Total rules 38359 place count 656 transition count 1805
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 15 with 4 rules applied. Total rules applied 38363 place count 654 transition count 1803
Ensure Unique test removed 136 transitions
Reduce isomorphic transitions removed 136 transitions.
Iterating post reduction 15 with 136 rules applied. Total rules applied 38499 place count 654 transition count 1667
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 16 with 2 rules applied. Total rules applied 38501 place count 653 transition count 1666
Drop transitions removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Discarding 48 places :
Also discarding 0 output transitions
Graph (complete) has 2110 edges and 653 vertex of which 605 are kept as prefixes of interest. Removing 48 places using SCC suffix rule.3 ms
Iterating post reduction 16 with 69 rules applied. Total rules applied 38570 place count 605 transition count 1598
Drop transitions removed 62 transitions
Redundant transition composition rules discarded 62 transitions
Iterating global reduction 17 with 62 rules applied. Total rules applied 38632 place count 605 transition count 1536
Applied a total of 38632 rules in 23681 ms. Remains 605 /17305 variables (removed 16700) and now considering 1536/26483 (removed 24947) transitions.
Finished structural reductions, in 1 iterations. Remains : 605/17305 places, 1536/26483 transitions.
Finished random walk after 889 steps, including 0 resets, run visited all 5 properties in 28 ms. (steps per millisecond=31 )
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5b-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.

--------------------
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="DLCflexbar-PT-5b"
export BK_EXAMINATION="ReachabilityCardinality"
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 DLCflexbar-PT-5b, 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 r180-ebro-158987900200398"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-5b.tgz
mv DLCflexbar-PT-5b 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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;