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.r107-smll-165260580400135.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 gold2021
Input is GPUForwardProgress-PT-16b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r107-smll-165260580400135
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 7.8K Apr 29 12:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Apr 29 12:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Apr 29 12:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Apr 29 12:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 9 07:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 9 07:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 9 07:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 9 07:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 29 12:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Apr 29 12:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Apr 29 12:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Apr 29 12:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 9 07:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 07:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 4 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 84K 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

here is the order used to build the result vector(from text file)
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-00
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-01
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-02
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-03
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-04
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-05
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-06
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-07
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-08
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-09
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-10
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-11
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-12
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-13
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-14
FORMULA_NAME GPUForwardProgress-PT-16b-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1655075851452

Running Version 0
[2022-06-12 23:17:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -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, 3600]
[2022-06-12 23:17:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-12 23:17:34] [INFO ] Load time of PNML (sax parser for PT used): 110 ms
[2022-06-12 23:17:34] [INFO ] Transformed 340 places.
[2022-06-12 23:17:34] [INFO ] Transformed 357 transitions.
[2022-06-12 23:17:34] [INFO ] Found NUPN structural information;
[2022-06-12 23:17:34] [INFO ] Parsed PT model containing 340 places and 357 transitions in 183 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 20 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 69 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 16) seen :4
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 12) seen :1
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 11) seen :2
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 7 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 9) seen :1
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 9 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 8) seen :1
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running SMT prover for 7 properties.
// Phase 1: matrix 357 rows 340 cols
[2022-06-12 23:17:35] [INFO ] Computed 18 place invariants in 29 ms
[2022-06-12 23:17:35] [INFO ] [Real]Absence check using 0 positive and 18 generalized place invariants in 27 ms returned sat
[2022-06-12 23:17:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:35] [INFO ] [Real]Absence check using state equation in 213 ms returned sat
[2022-06-12 23:17:35] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 23:17:35] [INFO ] [Nat]Absence check using 0 positive and 18 generalized place invariants in 17 ms returned sat
[2022-06-12 23:17:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:35] [INFO ] [Nat]Absence check using state equation in 183 ms returned sat
[2022-06-12 23:17:36] [INFO ] Computed and/alt/rep : 351/629/351 causal constraints (skipped 5 transitions) in 44 ms.
[2022-06-12 23:17:36] [INFO ] Added : 90 causal constraints over 18 iterations in 716 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 9 ms.
[2022-06-12 23:17:36] [INFO ] [Real]Absence check using 0 positive and 18 generalized place invariants in 18 ms returned sat
[2022-06-12 23:17:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:37] [INFO ] [Real]Absence check using state equation in 294 ms returned sat
[2022-06-12 23:17:37] [INFO ] Computed and/alt/rep : 351/629/351 causal constraints (skipped 5 transitions) in 37 ms.
[2022-06-12 23:17:37] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 23:17:37] [INFO ] [Nat]Absence check using 0 positive and 18 generalized place invariants in 23 ms returned sat
[2022-06-12 23:17:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:37] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2022-06-12 23:17:37] [INFO ] Computed and/alt/rep : 351/629/351 causal constraints (skipped 5 transitions) in 31 ms.
[2022-06-12 23:17:39] [INFO ] Added : 277 causal constraints over 56 iterations in 1805 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 11 ms.
[2022-06-12 23:17:39] [INFO ] [Real]Absence check using 0 positive and 18 generalized place invariants in 17 ms returned sat
[2022-06-12 23:17:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:40] [INFO ] [Real]Absence check using state equation in 163 ms returned sat
[2022-06-12 23:17:40] [INFO ] Computed and/alt/rep : 351/629/351 causal constraints (skipped 5 transitions) in 33 ms.
[2022-06-12 23:17:40] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 23:17:40] [INFO ] [Nat]Absence check using 0 positive and 18 generalized place invariants in 15 ms returned sat
[2022-06-12 23:17:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:40] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2022-06-12 23:17:40] [INFO ] Computed and/alt/rep : 351/629/351 causal constraints (skipped 5 transitions) in 97 ms.
[2022-06-12 23:17:41] [INFO ] Added : 114 causal constraints over 23 iterations in 760 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 4 ms.
[2022-06-12 23:17:41] [INFO ] [Real]Absence check using 0 positive and 18 generalized place invariants in 18 ms returned sat
[2022-06-12 23:17:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:41] [INFO ] [Real]Absence check using state equation in 290 ms returned sat
[2022-06-12 23:17:41] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 23:17:41] [INFO ] [Nat]Absence check using 0 positive and 18 generalized place invariants in 20 ms returned sat
[2022-06-12 23:17:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:42] [INFO ] [Nat]Absence check using state equation in 280 ms returned sat
[2022-06-12 23:17:42] [INFO ] Computed and/alt/rep : 351/629/351 causal constraints (skipped 5 transitions) in 30 ms.
[2022-06-12 23:17:43] [INFO ] Added : 288 causal constraints over 58 iterations in 1797 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 11 ms.
[2022-06-12 23:17:44] [INFO ] [Real]Absence check using 0 positive and 18 generalized place invariants in 15 ms returned sat
[2022-06-12 23:17:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:44] [INFO ] [Real]Absence check using state equation in 189 ms returned sat
[2022-06-12 23:17:44] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 23:17:44] [INFO ] [Nat]Absence check using 0 positive and 18 generalized place invariants in 17 ms returned sat
[2022-06-12 23:17:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:44] [INFO ] [Nat]Absence check using state equation in 170 ms returned sat
[2022-06-12 23:17:44] [INFO ] Computed and/alt/rep : 351/629/351 causal constraints (skipped 5 transitions) in 24 ms.
[2022-06-12 23:17:45] [INFO ] Added : 133 causal constraints over 27 iterations in 757 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 10 ms.
[2022-06-12 23:17:45] [INFO ] [Real]Absence check using 0 positive and 18 generalized place invariants in 18 ms returned sat
[2022-06-12 23:17:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:45] [INFO ] [Real]Absence check using state equation in 226 ms returned sat
[2022-06-12 23:17:45] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 23:17:45] [INFO ] [Nat]Absence check using 0 positive and 18 generalized place invariants in 19 ms returned sat
[2022-06-12 23:17:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:46] [INFO ] [Nat]Absence check using state equation in 248 ms returned sat
[2022-06-12 23:17:46] [INFO ] Computed and/alt/rep : 351/629/351 causal constraints (skipped 5 transitions) in 43 ms.
[2022-06-12 23:17:48] [INFO ] Added : 286 causal constraints over 58 iterations in 1794 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 11 ms.
[2022-06-12 23:17:48] [INFO ] [Real]Absence check using 0 positive and 18 generalized place invariants in 15 ms returned sat
[2022-06-12 23:17:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:48] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2022-06-12 23:17:48] [INFO ] Computed and/alt/rep : 351/629/351 causal constraints (skipped 5 transitions) in 40 ms.
[2022-06-12 23:17:48] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 23:17:48] [INFO ] [Nat]Absence check using 0 positive and 18 generalized place invariants in 17 ms returned sat
[2022-06-12 23:17:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-06-12 23:17:48] [INFO ] [Nat]Absence check using state equation in 135 ms returned sat
[2022-06-12 23:17:48] [INFO ] Computed and/alt/rep : 351/629/351 causal constraints (skipped 5 transitions) in 39 ms.
[2022-06-12 23:17:49] [INFO ] Added : 99 causal constraints over 20 iterations in 622 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 10 ms.
Incomplete Parikh walk after 7400 steps, including 135 resets, run finished after 31 ms. (steps per millisecond=238 ) properties (out of 7) seen :0 could not realise parikh vector
Incomplete Parikh walk after 43300 steps, including 327 resets, run finished after 179 ms. (steps per millisecond=241 ) properties (out of 7) seen :2 could not realise parikh vector
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Incomplete Parikh walk after 8100 steps, including 129 resets, run finished after 19 ms. (steps per millisecond=426 ) properties (out of 5) seen :1 could not realise parikh vector
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Incomplete Parikh walk after 36900 steps, including 283 resets, run finished after 64 ms. (steps per millisecond=576 ) properties (out of 4) seen :2 could not realise parikh vector
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Incomplete Parikh walk after 9100 steps, including 130 resets, run finished after 23 ms. (steps per millisecond=395 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 46900 steps, including 161 resets, run finished after 161 ms. (steps per millisecond=291 ) properties (out of 2) seen :0 could not realise parikh vector
Finished Parikh walk after 81 steps, including 1 resets, run visited all 2 properties in 2 ms. (steps per millisecond=40 )
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA GPUForwardProgress-PT-16b-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
All properties solved without resorting to model-checking.

BK_STOP 1655075871195

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityFireability -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 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="GPUForwardProgress-PT-16b"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="gold2021"
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 2-4028"
echo " Executing tool gold2021"
echo " Input is GPUForwardProgress-PT-16b, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r107-smll-165260580400135"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-16b.tgz
mv GPUForwardProgress-PT-16b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;