Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r058-smll-174854064400574.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=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 2-5832
Executing tool itstools
Input is Diffusion2D-PT-D40N150, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854064400574
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.1M
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 4.7M May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-00
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-01
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-02
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-03
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-04
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-05
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-06
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-07
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-08
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-09
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-10
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-11
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-12
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-13
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-14
FORMULA_NAME Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748883455803

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D40N150
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-02 16:57:37] [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]
[2025-06-02 16:57:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 16:57:38] [INFO ] Load time of PNML (sax parser for PT used): 731 ms
[2025-06-02 16:57:38] [INFO ] Transformed 1600 places.
[2025-06-02 16:57:38] [INFO ] Transformed 12324 transitions.
[2025-06-02 16:57:38] [INFO ] Parsed PT model containing 1600 places and 12324 transitions and 24648 arcs in 975 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 33 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40489 steps (8 resets) in 291 ms. (138 steps per ms) remains 15/16 properties
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 88 ms. (44 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 69 ms. (57 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 47 ms. (83 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 92 ms. (43 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 77 ms. (51 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 139 ms. (28 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 130 ms. (30 steps per ms) remains 15/15 properties
[2025-06-02 16:57:40] [INFO ] Flatten gal took : 1114 ms
[2025-06-02 16:57:41] [INFO ] Flatten gal took : 466 ms
[2025-06-02 16:57:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14243702651838403388.gal : 224 ms
[2025-06-02 16:57:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17840250445559051204.prop : 12 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14243702651838403388.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17840250445559051204.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Interrupted probabilistic random walk after 114874 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :0 out of 15
Probabilistic random walk after 114874 steps, saw 95314 distinct states, run finished after 3013 ms. (steps per millisecond=38 ) properties seen :0
Loading property file /tmp/ReachabilityCardinality17840250445559051204.prop.
// Phase 1: matrix 12324 rows 1600 cols
[2025-06-02 16:57:43] [INFO ] Computed 1 invariants in 173 ms
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/267 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Problem Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-06 is UNSAT
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-12 is UNSAT
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-12 FALSE TECHNIQUES SMT_REFINEMENT
Problem Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-15 is UNSAT
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 1333/1600 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 13924/13924 variables, and 1601 constraints, problems are : Problem set: 3 solved, 12 unsolved in 5054 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 1600/1600 constraints, PredecessorRefiner: 15/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 12 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/185 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1415/1600 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 12 unsolved
SMT process timed out in 10607ms, After SMT, problems are : Problem set: 3 solved, 12 unsolved
Fused 12 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 185 out of 1600 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 9606 edges and 1600 vertex of which 1415 / 1600 are part of one of the 1 SCC in 29 ms
Free SCC test removed 1414 places
Drop transitions (Empty/Sink Transition effects.) removed 9606 transitions
Ensure Unique test removed 2232 transitions
Reduce isomorphic transitions removed 11838 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 144 transitions
Redundant transition composition rules discarded 144 transitions
Iterating global reduction 0 with 144 rules applied. Total rules applied 145 place count 186 transition count 342
Applied a total of 145 rules in 327 ms. Remains 186 /1600 variables (removed 1414) and now considering 342/12324 (removed 11982) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 339 ms. Remains : 186/1600 places, 342/12324 transitions.
RANDOM walk for 40490 steps (8 resets) in 129 ms. (311 steps per ms) remains 5/12 properties
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 483 ms. (82 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 255 ms. (156 steps per ms) remains 4/5 properties
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 3/4 properties
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 3/3 properties
// Phase 1: matrix 342 rows 186 cols
[2025-06-02 16:57:54] [INFO ] Computed 1 invariants in 9 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 149/186 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 342/528 variables, 186/187 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/528 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/528 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 528/528 variables, and 187 constraints, problems are : Problem set: 0 solved, 3 unsolved in 430 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 149/186 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 342/528 variables, 186/187 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/528 variables, 3/190 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/528 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/528 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 528/528 variables, and 190 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1153 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1625ms problems are : Problem set: 0 solved, 3 unsolved
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-03 FALSE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-05 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 112 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=56 )
FORMULA Diffusion2D-PT-D40N150-ReachabilityCardinality-2025-13 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 683 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 18681 ms.

BK_STOP 1748883476676

--------------------
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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="Diffusion2D-PT-D40N150"
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 2-5832"
echo " Executing tool itstools"
echo " Input is Diffusion2D-PT-D40N150, 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 r058-smll-174854064400574"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D40N150.tgz
mv Diffusion2D-PT-D40N150 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.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 ;