Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r180-tall-171640603200358.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is GPPP-PT-C0001N0000001000, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r180-tall-171640603200358
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 5.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.3K Apr 12 08:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Apr 12 08:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Apr 12 08:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Apr 12 08:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 17 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1 May 18 16:42 large_marking
-rw-r--r-- 1 mcc users 21K May 18 16:42 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 GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-00
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-01
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-02
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-03
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-04
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-05
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-06
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-07
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-08
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-09
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-10
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-11
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-12
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-13
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-14
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1716495551118

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPPP-PT-C0001N0000001000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202405141337
[2024-05-23 20:19:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-23 20:19:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 20:19:12] [INFO ] Load time of PNML (sax parser for PT used): 38 ms
[2024-05-23 20:19:12] [INFO ] Transformed 33 places.
[2024-05-23 20:19:12] [INFO ] Transformed 22 transitions.
[2024-05-23 20:19:12] [INFO ] Parsed PT model containing 33 places and 22 transitions and 83 arcs in 131 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 20 ms.
Working with output stream class java.io.PrintStream
[2024-05-23 20:19:12] [INFO ] Flatten gal took : 41 ms
[2024-05-23 20:19:12] [INFO ] Flatten gal took : 18 ms
[2024-05-23 20:19:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17723402470467263057.gal : 16 ms
[2024-05-23 20:19:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17839796356118952719.prop : 10 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17723402470467263057.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17839796356118952719.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality17839796356118952719.prop.
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :4 after 8
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :8 after 22
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :22 after 54
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :54 after 77
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :77 after 214
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :214 after 809
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :809 after 2188
RANDOM walk for 40008 steps (8 resets) in 1843 ms. (21 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 148 ms. (26 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 137 ms. (29 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 111 ms. (35 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 126 ms. (31 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 120 ms. (33 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 26 ms. (148 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 63 ms. (62 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 87 ms. (45 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 21 ms. (181 steps per ms) remains 16/16 properties
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :188185 after 242186
SDD proceeding with computation,16 properties remain. new max is 2048
SDD size :627751 after 871870
Interrupted probabilistic random walk after 331242 steps, run timeout after 3001 ms. (steps per millisecond=110 ) properties seen :0 out of 16
Probabilistic random walk after 331242 steps, saw 112955 distinct states, run finished after 3006 ms. (steps per millisecond=110 ) properties seen :0
// Phase 1: matrix 22 rows 33 cols
[2024-05-23 20:19:16] [INFO ] Computed 13 invariants in 9 ms
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-03 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-04 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-05 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-07 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-10 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-10 FALSE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-11 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-13 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 6/6 constraints. Problems are: Problem set: 7 solved, 9 unsolved
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-00 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-01 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-02 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-06 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-08 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-09 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
Problem GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-15 is UNSAT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 7/13 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 0/13 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 22/55 variables, 33/46 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/46 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/55 variables, 0/46 constraints. Problems are: Problem set: 14 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 55/55 variables, and 46 constraints, problems are : Problem set: 14 solved, 2 unsolved in 187 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 14 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 2/2 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/2 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 6/21 variables, 3/5 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 11/32 variables, 7/12 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/12 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 1/33 variables, 1/13 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/33 variables, 0/13 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 22/55 variables, 33/46 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/55 variables, 2/48 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/55 variables, 0/48 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/55 variables, 0/48 constraints. Problems are: Problem set: 14 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 55/55 variables, and 48 constraints, problems are : Problem set: 14 solved, 2 unsolved in 162 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 2/16 constraints, Known Traps: 0/0 constraints]
After SMT, in 431ms problems are : Problem set: 14 solved, 2 unsolved
Finished Parikh walk after 31872 steps, including 1 resets, run visited all 2 properties in 196 ms. (steps per millisecond=162 )
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-14 TRUE TECHNIQUES PARIKH_WALK
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-2024-12 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 202 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 5205 ms.

BK_STOP 1716495557481

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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="GPPP-PT-C0001N0000001000"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-5568"
echo " Executing tool itstools"
echo " Input is GPPP-PT-C0001N0000001000, 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-tall-171640603200358"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPPP-PT-C0001N0000001000.tgz
mv GPPP-PT-C0001N0000001000 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 ;