Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r121-smll-165264480700112.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-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 2-4028
Executing tool itstools
Input is HealthRecord-PT-14, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r121-smll-165264480700112
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 284K
-rw-r--r-- 1 mcc users 6.3K Apr 30 11:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Apr 30 11:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Apr 30 11:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Apr 30 11:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 9 08:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 9 08:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 9 08:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 08:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 9 08:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 9 08:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 3 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 72K May 10 09:34 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 1652723543917

Running Version 202205111006
[2022-05-16 17:52:25] [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]
[2022-05-16 17:52:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-16 17:52:26] [INFO ] Load time of PNML (sax parser for PT used): 156 ms
[2022-05-16 17:52:26] [INFO ] Transformed 162 places.
[2022-05-16 17:52:26] [INFO ] Transformed 347 transitions.
[2022-05-16 17:52:26] [INFO ] Found NUPN structural information;
[2022-05-16 17:52:26] [INFO ] Parsed PT model containing 162 places and 347 transitions in 336 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 162/162 places, 347/347 transitions.
Graph (trivial) has 278 edges and 162 vertex of which 6 / 162 are part of one of the 3 SCC in 6 ms
Free SCC test removed 3 places
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Discarding 89 places :
Symmetric choice reduction at 0 with 89 rule applications. Total rules 90 place count 70 transition count 137
Iterating global reduction 0 with 89 rules applied. Total rules applied 179 place count 70 transition count 137
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 189 place count 60 transition count 117
Iterating global reduction 0 with 10 rules applied. Total rules applied 199 place count 60 transition count 117
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 208 place count 60 transition count 108
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 211 place count 57 transition count 99
Iterating global reduction 1 with 3 rules applied. Total rules applied 214 place count 57 transition count 99
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 217 place count 54 transition count 93
Iterating global reduction 1 with 3 rules applied. Total rules applied 220 place count 54 transition count 93
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 229 place count 54 transition count 84
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -31
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 239 place count 49 transition count 115
Applied a total of 239 rules in 76 ms. Remains 49 /162 variables (removed 113) and now considering 115/347 (removed 232) transitions.
[2022-05-16 17:52:26] [INFO ] Flow matrix only has 90 transitions (discarded 25 similar events)
// Phase 1: matrix 90 rows 49 cols
[2022-05-16 17:52:26] [INFO ] Computed 18 place invariants in 11 ms
[2022-05-16 17:52:26] [INFO ] Implicit Places using invariants in 245 ms returned []
[2022-05-16 17:52:26] [INFO ] Flow matrix only has 90 transitions (discarded 25 similar events)
// Phase 1: matrix 90 rows 49 cols
[2022-05-16 17:52:26] [INFO ] Computed 18 place invariants in 3 ms
[2022-05-16 17:52:26] [INFO ] State equation strengthened by 16 read => feed constraints.
[2022-05-16 17:52:26] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 462 ms to find 0 implicit places.
[2022-05-16 17:52:26] [INFO ] Flow matrix only has 90 transitions (discarded 25 similar events)
// Phase 1: matrix 90 rows 49 cols
[2022-05-16 17:52:26] [INFO ] Computed 18 place invariants in 7 ms
[2022-05-16 17:52:26] [INFO ] Dead Transitions using invariants and state equation in 182 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 49/162 places, 115/347 transitions.
Finished structural reductions, in 1 iterations. Remains : 49/162 places, 115/347 transitions.
Discarding 79 transitions out of 115. Remains 36
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1352 resets, run finished after 723 ms. (steps per millisecond=13 ) properties (out of 35) seen :16
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 16 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 22 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 23 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 16 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 19 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 19) seen :0
Running SMT prover for 19 properties.
[2022-05-16 17:52:27] [INFO ] Flow matrix only has 90 transitions (discarded 25 similar events)
// Phase 1: matrix 90 rows 49 cols
[2022-05-16 17:52:27] [INFO ] Computed 18 place invariants in 1 ms
[2022-05-16 17:52:27] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2022-05-16 17:52:27] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2022-05-16 17:52:28] [INFO ] After 356ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3 real:16
[2022-05-16 17:52:28] [INFO ] State equation strengthened by 16 read => feed constraints.
[2022-05-16 17:52:28] [INFO ] After 103ms SMT Verify possible using 16 Read/Feed constraints in real domain returned unsat :0 sat :0 real:19
[2022-05-16 17:52:28] [INFO ] After 733ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:19
[2022-05-16 17:52:28] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2022-05-16 17:52:28] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2022-05-16 17:52:28] [INFO ] After 222ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :19
[2022-05-16 17:52:29] [INFO ] After 145ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :19
[2022-05-16 17:52:29] [INFO ] After 346ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :19
Attempting to minimize the solution found.
Minimization took 132 ms.
[2022-05-16 17:52:29] [INFO ] After 900ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :19
Fused 19 Parikh solutions to 11 different solutions.
Parikh walk visited 0 properties in 6 ms.
Support contains 32 out of 49 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 49/49 places, 115/115 transitions.
Drop transitions removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 49 transition count 99
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 49 transition count 98
Free-agglomeration rule applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 19 place count 49 transition count 96
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 21 place count 47 transition count 96
Applied a total of 21 rules in 31 ms. Remains 47 /49 variables (removed 2) and now considering 96/115 (removed 19) transitions.
Finished structural reductions, in 1 iterations. Remains : 47/49 places, 96/115 transitions.
Incomplete random walk after 1000000 steps, including 135988 resets, run finished after 24545 ms. (steps per millisecond=40 ) properties (out of 19) seen :14
Incomplete Best-First random walk after 1000001 steps, including 20704 resets, run finished after 4499 ms. (steps per millisecond=222 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 24679 resets, run finished after 4669 ms. (steps per millisecond=214 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 20701 resets, run finished after 3426 ms. (steps per millisecond=291 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 20625 resets, run finished after 3627 ms. (steps per millisecond=275 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 20473 resets, run finished after 3668 ms. (steps per millisecond=272 ) properties (out of 5) seen :2
Running SMT prover for 3 properties.
[2022-05-16 17:53:13] [INFO ] Flow matrix only has 81 transitions (discarded 15 similar events)
// Phase 1: matrix 81 rows 47 cols
[2022-05-16 17:53:13] [INFO ] Computed 18 place invariants in 2 ms
[2022-05-16 17:53:13] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2022-05-16 17:53:14] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 18 ms returned sat
[2022-05-16 17:53:14] [INFO ] After 72ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2022-05-16 17:53:14] [INFO ] State equation strengthened by 15 read => feed constraints.
[2022-05-16 17:53:14] [INFO ] After 33ms SMT Verify possible using 15 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2022-05-16 17:53:14] [INFO ] After 183ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2022-05-16 17:53:14] [INFO ] [Nat]Absence check using 10 positive place invariants in 11 ms returned sat
[2022-05-16 17:53:14] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2022-05-16 17:53:14] [INFO ] After 73ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2022-05-16 17:53:14] [INFO ] After 22ms SMT Verify possible using 15 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2022-05-16 17:53:14] [INFO ] After 49ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 20 ms.
[2022-05-16 17:53:14] [INFO ] After 209ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 12 out of 47 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 47/47 places, 96/96 transitions.
Graph (complete) has 261 edges and 47 vertex of which 38 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.6 ms
Discarding 9 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 37 transition count 95
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 37 transition count 95
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 37 transition count 94
Free-agglomeration rule applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 37 transition count 92
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 8 place count 35 transition count 92
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 10 place count 35 transition count 90
Partial Free-agglomeration rule applied 8 times.
Drop transitions removed 8 transitions
Iterating global reduction 2 with 8 rules applied. Total rules applied 18 place count 35 transition count 90
Applied a total of 18 rules in 28 ms. Remains 35 /47 variables (removed 12) and now considering 90/96 (removed 6) transitions.
Finished structural reductions, in 1 iterations. Remains : 35/47 places, 90/96 transitions.
Incomplete random walk after 1000000 steps, including 129970 resets, run finished after 14063 ms. (steps per millisecond=71 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 19533 resets, run finished after 2524 ms. (steps per millisecond=396 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 28571 resets, run finished after 3428 ms. (steps per millisecond=291 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000000 steps, including 19501 resets, run finished after 2491 ms. (steps per millisecond=401 ) properties (out of 3) seen :0
Finished probabilistic random walk after 1932 steps, run visited all 3 properties in 25 ms. (steps per millisecond=77 )
Probabilistic random walk after 1932 steps, saw 676 distinct states, run finished after 25 ms. (steps per millisecond=77 ) properties seen :3
Able to resolve query QuasiLiveness after proving 36 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 71184 ms.

BK_STOP 1652723616972

--------------------
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="HealthRecord-PT-14"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 2-4028"
echo " Executing tool itstools"
echo " Input is HealthRecord-PT-14, 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 r121-smll-165264480700112"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-14.tgz
mv HealthRecord-PT-14 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 ;