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.r160-smll-167819446000282.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 gold2022
Input is DoubleExponent-PT-002, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-smll-167819446000282
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 548K
-rw-r--r-- 1 mcc users 6.7K Feb 26 13:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Feb 26 13:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 13:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 26 13:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 13:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 136K Feb 26 13:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 13:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 117K Feb 26 13:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:01 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 33K 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 booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1678439197072

Running Version 202205111006
[2023-03-10 09:06:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-10 09:06:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 09:06:40] [INFO ] Load time of PNML (sax parser for PT used): 150 ms
[2023-03-10 09:06:40] [INFO ] Transformed 110 places.
[2023-03-10 09:06:40] [INFO ] Transformed 98 transitions.
[2023-03-10 09:06:40] [INFO ] Parsed PT model containing 110 places and 98 transitions in 392 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 110/110 places, 98/98 transitions.
Reduce places removed 4 places and 0 transitions.
Drop transitions removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 28 rules applied. Total rules applied 28 place count 106 transition count 74
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 52 place count 82 transition count 74
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 52 place count 82 transition count 70
Deduced a syphon composed of 4 places in 3 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 60 place count 78 transition count 70
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 1 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 44 rules applied. Total rules applied 104 place count 56 transition count 48
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 108 place count 54 transition count 48
Applied a total of 108 rules in 64 ms. Remains 54 /110 variables (removed 56) and now considering 48/98 (removed 50) transitions.
// Phase 1: matrix 48 rows 54 cols
[2023-03-10 09:06:40] [INFO ] Computed 11 place invariants in 17 ms
[2023-03-10 09:06:40] [INFO ] Implicit Places using invariants in 569 ms returned [36, 37]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 635 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 52/110 places, 48/98 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 52 transition count 47
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 51 transition count 47
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 8 place count 48 transition count 44
Applied a total of 8 rules in 15 ms. Remains 48 /52 variables (removed 4) and now considering 44/48 (removed 4) transitions.
// Phase 1: matrix 44 rows 48 cols
[2023-03-10 09:06:40] [INFO ] Computed 9 place invariants in 8 ms
[2023-03-10 09:06:40] [INFO ] Implicit Places using invariants in 132 ms returned []
// Phase 1: matrix 44 rows 48 cols
[2023-03-10 09:06:41] [INFO ] Computed 9 place invariants in 5 ms
[2023-03-10 09:06:41] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-10 09:06:41] [INFO ] Implicit Places using invariants and state equation in 213 ms returned []
Implicit Place search using SMT with State Equation took 348 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 48/110 places, 44/98 transitions.
Finished structural reductions, in 2 iterations. Remains : 48/110 places, 44/98 transitions.
Discarding 10 transitions out of 44. Remains 34
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1205 resets, run finished after 1048 ms. (steps per millisecond=9 ) properties (out of 33) seen :14
Incomplete Best-First random walk after 1000 steps, including 75 resets, run finished after 50 ms. (steps per millisecond=20 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 83 resets, run finished after 35 ms. (steps per millisecond=28 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 75 resets, run finished after 32 ms. (steps per millisecond=31 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 80 resets, run finished after 35 ms. (steps per millisecond=28 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 74 resets, run finished after 40 ms. (steps per millisecond=25 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 74 resets, run finished after 49 ms. (steps per millisecond=20 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 69 resets, run finished after 45 ms. (steps per millisecond=22 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 80 resets, run finished after 45 ms. (steps per millisecond=22 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 74 resets, run finished after 44 ms. (steps per millisecond=22 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 82 resets, run finished after 44 ms. (steps per millisecond=22 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 75 resets, run finished after 44 ms. (steps per millisecond=22 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 75 resets, run finished after 44 ms. (steps per millisecond=22 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 71 resets, run finished after 48 ms. (steps per millisecond=20 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 72 resets, run finished after 70 ms. (steps per millisecond=14 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 76 resets, run finished after 35 ms. (steps per millisecond=28 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 77 resets, run finished after 35 ms. (steps per millisecond=28 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 78 resets, run finished after 29 ms. (steps per millisecond=34 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 74 resets, run finished after 32 ms. (steps per millisecond=31 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 76 resets, run finished after 32 ms. (steps per millisecond=31 ) properties (out of 19) seen :0
Running SMT prover for 19 properties.
// Phase 1: matrix 44 rows 48 cols
[2023-03-10 09:06:43] [INFO ] Computed 9 place invariants in 3 ms
[2023-03-10 09:06:43] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-10 09:06:43] [INFO ] [Real]Absence check using 2 positive and 7 generalized place invariants in 3 ms returned sat
[2023-03-10 09:06:43] [INFO ] After 317ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:19
[2023-03-10 09:06:43] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-10 09:06:43] [INFO ] [Nat]Absence check using 2 positive and 7 generalized place invariants in 4 ms returned sat
[2023-03-10 09:06:43] [INFO ] After 143ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :19
[2023-03-10 09:06:43] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-10 09:06:43] [INFO ] After 108ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :0 sat :19
[2023-03-10 09:06:44] [INFO ] After 331ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :19
Attempting to minimize the solution found.
Minimization took 174 ms.
[2023-03-10 09:06:44] [INFO ] After 836ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :19
Parikh walk visited 0 properties in 982 ms.
Support contains 31 out of 48 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 48/48 places, 44/44 transitions.
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 48 transition count 44
Applied a total of 2 rules in 11 ms. Remains 48 /48 variables (removed 0) and now considering 44/44 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 48/48 places, 44/44 transitions.
Incomplete random walk after 1000000 steps, including 111351 resets, run finished after 24996 ms. (steps per millisecond=40 ) properties (out of 19) seen :13
Interrupted Best-First random walk after 283408 steps, including 21865 resets, run timeout after 5001 ms. (steps per millisecond=56 ) properties seen 0
Interrupted Best-First random walk after 306552 steps, including 23554 resets, run timeout after 5001 ms. (steps per millisecond=61 ) properties seen 0
Interrupted Best-First random walk after 312271 steps, including 24094 resets, run timeout after 5001 ms. (steps per millisecond=62 ) properties seen 0
Interrupted Best-First random walk after 300475 steps, including 23179 resets, run timeout after 5001 ms. (steps per millisecond=60 ) properties seen 0
Interrupted Best-First random walk after 298871 steps, including 23009 resets, run timeout after 5001 ms. (steps per millisecond=59 ) properties seen 0
Interrupted Best-First random walk after 306560 steps, including 23604 resets, run timeout after 5001 ms. (steps per millisecond=61 ) properties seen 0
Running SMT prover for 6 properties.
// Phase 1: matrix 44 rows 48 cols
[2023-03-10 09:07:40] [INFO ] Computed 9 place invariants in 2 ms
[2023-03-10 09:07:40] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-10 09:07:40] [INFO ] [Real]Absence check using 2 positive and 7 generalized place invariants in 2 ms returned sat
[2023-03-10 09:07:40] [INFO ] After 47ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:5
[2023-03-10 09:07:40] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-10 09:07:40] [INFO ] After 9ms SMT Verify possible using 6 Read/Feed constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-10 09:07:40] [INFO ] After 118ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-10 09:07:40] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-10 09:07:40] [INFO ] [Nat]Absence check using 2 positive and 7 generalized place invariants in 2 ms returned sat
[2023-03-10 09:07:40] [INFO ] After 44ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2023-03-10 09:07:40] [INFO ] After 31ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :6
[2023-03-10 09:07:40] [INFO ] Deduced a trap composed of 6 places in 30 ms of which 2 ms to minimize.
[2023-03-10 09:07:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 42 ms
[2023-03-10 09:07:40] [INFO ] Deduced a trap composed of 5 places in 43 ms of which 1 ms to minimize.
[2023-03-10 09:07:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2023-03-10 09:07:40] [INFO ] After 160ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
Attempting to minimize the solution found.
Minimization took 24 ms.
[2023-03-10 09:07:40] [INFO ] After 275ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Parikh walk visited 0 properties in 2428 ms.
Support contains 11 out of 48 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 48/48 places, 44/44 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 48 transition count 43
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 47 transition count 43
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 4 place count 47 transition count 43
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 46 transition count 42
Applied a total of 5 rules in 22 ms. Remains 46 /48 variables (removed 2) and now considering 42/44 (removed 2) transitions.
Finished structural reductions, in 1 iterations. Remains : 46/48 places, 42/44 transitions.
Incomplete random walk after 1000000 steps, including 128250 resets, run finished after 22298 ms. (steps per millisecond=44 ) properties (out of 6) seen :0
Interrupted Best-First random walk after 312879 steps, including 26466 resets, run timeout after 5001 ms. (steps per millisecond=62 ) properties seen 0
Interrupted Best-First random walk after 318202 steps, including 26933 resets, run timeout after 5001 ms. (steps per millisecond=63 ) properties seen 0
Interrupted Best-First random walk after 321660 steps, including 27224 resets, run timeout after 5001 ms. (steps per millisecond=64 ) properties seen 0
Interrupted Best-First random walk after 325667 steps, including 27610 resets, run timeout after 5001 ms. (steps per millisecond=65 ) properties seen 0
Interrupted Best-First random walk after 323500 steps, including 27147 resets, run timeout after 5001 ms. (steps per millisecond=64 ) properties seen 0
Interrupted Best-First random walk after 331540 steps, including 28171 resets, run timeout after 5001 ms. (steps per millisecond=66 ) properties seen 0
Finished probabilistic random walk after 2558 steps, run visited all 6 properties in 43 ms. (steps per millisecond=59 )
Probabilistic random walk after 2558 steps, saw 1305 distinct states, run finished after 44 ms. (steps per millisecond=58 ) properties seen :6
Able to resolve query QuasiLiveness after proving 34 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 115804 ms.

BK_STOP 1678439315543

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination QuasiLiveness -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="DoubleExponent-PT-002"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2022"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 gold2022"
echo " Input is DoubleExponent-PT-002, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r160-smll-167819446000282"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleExponent-PT-002.tgz
mv DoubleExponent-PT-002 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;