Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r156-tall-174881254200518.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)
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is PolyORBLF-PT-S06J04T06, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r156-tall-174881254200518
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 17K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 72K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 372K 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 13K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 48K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 638K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 2.1M May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 37K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 248K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 423K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.7M May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.1K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 11M 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 PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-00
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-01
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-02
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-03
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-04
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-05
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-06
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-07
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-08
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-09
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-10
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-11
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-12
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-13
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-14
FORMULA_NAME PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1749024332035

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-PT-S06J04T06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-04 08:05:33] [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]
[2025-06-04 08:05:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 08:05:34] [INFO ] Load time of PNML (sax parser for PT used): 609 ms
[2025-06-04 08:05:34] [INFO ] Transformed 632 places.
[2025-06-04 08:05:34] [INFO ] Transformed 10500 transitions.
[2025-06-04 08:05:34] [INFO ] Parsed PT model containing 632 places and 10500 transitions and 88770 arcs in 775 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 30 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 8070 transitions
Reduce redundant transitions removed 8070 transitions.
RANDOM walk for 40000 steps (268 resets) in 2638 ms. (15 steps per ms) remains 11/16 properties
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-04 08:05:35] [INFO ] Flatten gal took : 528 ms
BEST_FIRST walk for 40003 steps (422 resets) in 815 ms. (49 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (109 resets) in 443 ms. (90 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (91 resets) in 424 ms. (94 steps per ms) remains 11/11 properties
[2025-06-04 08:05:35] [INFO ] Flatten gal took : 277 ms
[2025-06-04 08:05:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10029874309211218889.gal : 148 ms
[2025-06-04 08:05:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11807834307487999302.prop : 6 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/ReachabilityCardinality10029874309211218889.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11807834307487999302.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
BEST_FIRST walk for 40000 steps (109 resets) in 1276 ms. (31 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40001 steps (52 resets) in 485 ms. (82 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (74 resets) in 371 ms. (107 steps per ms) remains 11/11 properties
Loading property file /tmp/ReachabilityCardinality11807834307487999302.prop.
BEST_FIRST walk for 40003 steps (114 resets) in 548 ms. (72 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (62 resets) in 593 ms. (67 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (108 resets) in 335 ms. (119 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (97 resets) in 449 ms. (88 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (110 resets) in 336 ms. (118 steps per ms) remains 11/11 properties
[2025-06-04 08:05:37] [INFO ] Flow matrix only has 2394 transitions (discarded 36 similar events)
// Phase 1: matrix 2394 rows 632 cols
[2025-06-04 08:05:37] [INFO ] Computed 54 invariants in 323 ms
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :7 after 13
[2025-06-04 08:05:37] [INFO ] State equation strengthened by 168 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :13 after 24
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :24 after 30
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :30 after 57
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :57 after 111
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/478 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/478 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/478 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-00 is UNSAT
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-03 is UNSAT
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-13 is UNSAT
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-13 FALSE TECHNIQUES SMT_REFINEMENT
Problem PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-15 is UNSAT
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-15 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 48/526 variables, 12/23 constraints. Problems are: Problem set: 4 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/526 variables, 1/24 constraints. Problems are: Problem set: 4 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/526 variables, 0/24 constraints. Problems are: Problem set: 4 solved, 7 unsolved
Problem PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-05 is UNSAT
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-06 is UNSAT
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-08 is UNSAT
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-10 is UNSAT
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-10 FALSE TECHNIQUES SMT_REFINEMENT
Problem PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-11 is UNSAT
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-11 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 6 (OVERLAPS) 106/632 variables, 30/54 constraints. Problems are: Problem set: 9 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 08:05:39] [INFO ] Deduced a trap composed of 85 places in 625 ms of which 116 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 08:05:39] [INFO ] Deduced a trap composed of 85 places in 574 ms of which 96 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 08:05:40] [INFO ] Deduced a trap composed of 85 places in 579 ms of which 94 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 08:05:41] [INFO ] Deduced a trap composed of 85 places in 572 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :111 after 26761
[2025-06-04 08:05:41] [INFO ] Deduced a trap composed of 85 places in 503 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 08:05:42] [INFO ] Deduced a trap composed of 122 places in 507 ms of which 64 ms to minimize.
Problem PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-01 is UNSAT
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-01 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 7 (INCLUDED_ONLY) 0/632 variables, 6/60 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/632 variables, 0/60 constraints. Problems are: Problem set: 10 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3026/3026 variables, and 692 constraints, problems are : Problem set: 10 solved, 1 unsolved in 5038 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 37/37 constraints, State Equation: 632/632 constraints, ReadFeed: 0/168 constraints, PredecessorRefiner: 11/6 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 10 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 147/196 variables, 9/9 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/196 variables, 0/9 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/214 variables, 4/13 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/13 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 13/227 variables, 2/15 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/227 variables, 0/15 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 397/624 variables, 33/48 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/624 variables, 3/51 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/624 variables, 0/51 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/625 variables, 1/52 constraints. Problems are: Problem set: 10 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/625 variables, 0/52 constraints. Problems are: Problem set: 10 solved, 1 unsolved
Problem PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-09 is UNSAT
FORMULA PolyORBLF-PT-S06J04T06-ReachabilityCardinality-2025-09 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 630/3026 variables, and 56 constraints, problems are : Problem set: 11 solved, 0 unsolved in 250 ms.
Refiners :[Positive P Invariants (semi-flows): 16/17 constraints, Generalized P Invariants (flows): 37/37 constraints, State Equation: 0/632 constraints, ReadFeed: 0/168 constraints, PredecessorRefiner: 1/6 constraints, Known Traps: 3/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5910ms problems are : Problem set: 11 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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 9760 ms.

BK_STOP 1749024343128

--------------------
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="PolyORBLF-PT-S06J04T06"
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 PolyORBLF-PT-S06J04T06, 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 r156-tall-174881254200518"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S06J04T06.tgz
mv PolyORBLF-PT-S06J04T06 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 ;