Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r049-tall-174854036300427.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 CryptoMiner-PT-D20N100, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r049-tall-174854036300427
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 27K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 153K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 108K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 33K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 45K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 268K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 35K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 230K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 9.0K 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 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 27K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748590056162

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CryptoMiner-PT-D20N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-05-30 07:27:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-05-30 07:27:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 07:27:37] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2025-05-30 07:27:37] [INFO ] Transformed 63 places.
[2025-05-30 07:27:37] [INFO ] Transformed 63 transitions.
[2025-05-30 07:27:37] [INFO ] Parsed PT model containing 63 places and 63 transitions and 187 arcs in 419 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 63/63 places, 63/63 transitions.
Graph (trivial) has 41 edges and 63 vertex of which 21 / 63 are part of one of the 1 SCC in 2 ms
Free SCC test removed 20 places
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 42 transition count 43
Applied a total of 2 rules in 27 ms. Remains 42 /63 variables (removed 21) and now considering 43/63 (removed 20) transitions.
// Phase 1: matrix 43 rows 42 cols
[2025-05-30 07:27:37] [INFO ] Computed 0 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:27:38] [INFO ] Implicit Places using invariants in 183 ms returned []
[2025-05-30 07:27:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:27:38] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-05-30 07:27:38] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 320 ms to find 0 implicit places.
Running 40 sub problems to find dead transitions.
[2025-05-30 07:27:38] [INFO ] Invariant cache hit.
[2025-05-30 07:27:38] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (OVERLAPS) 42/83 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 20/61 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (OVERLAPS) 1/84 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (OVERLAPS) 0/84 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/85 variables, and 62 constraints, problems are : Problem set: 0 solved, 40 unsolved in 1066 ms.
Refiners :[State Equation: 42/42 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (OVERLAPS) 42/83 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 20/61 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 20/81 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (OVERLAPS) 1/84 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 20/102 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 8 (OVERLAPS) 0/84 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/85 variables, and 102 constraints, problems are : Problem set: 0 solved, 40 unsolved in 1306 ms.
Refiners :[State Equation: 42/42 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2423ms problems are : Problem set: 0 solved, 40 unsolved
Search for dead transitions found 0 dead transitions in 2438ms
Starting structural reductions in LIVENESS mode, iteration 1 : 42/63 places, 43/63 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 2806 ms. Remains : 42/63 places, 43/63 transitions.
Discarding 22 transitions out of 43. Remains 21
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40156 steps (548 resets) in 843 ms. (47 steps per ms) remains 19/20 properties
BEST_FIRST walk for 4000 steps (129 resets) in 85 ms. (46 steps per ms) remains 12/19 properties
BEST_FIRST walk for 4001 steps (134 resets) in 58 ms. (67 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4001 steps (133 resets) in 80 ms. (49 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000 steps (131 resets) in 38 ms. (102 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4001 steps (126 resets) in 40 ms. (97 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4002 steps (128 resets) in 25 ms. (153 steps per ms) remains 11/12 properties
BEST_FIRST walk for 4001 steps (126 resets) in 16 ms. (235 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000 steps (134 resets) in 46 ms. (85 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4001 steps (131 resets) in 18 ms. (210 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4002 steps (126 resets) in 18 ms. (210 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4001 steps (132 resets) in 12 ms. (307 steps per ms) remains 10/11 properties
[2025-05-30 07:27:41] [INFO ] Invariant cache hit.
[2025-05-30 07:27:41] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 32/53 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
[2025-05-30 07:27:41] [INFO ] Flatten gal took : 39 ms
[2025-05-30 07:27:41] [INFO ] Flatten gal took : 10 ms
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
[2025-05-30 07:27:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17537447834708379139.gal : 8 ms
At refinement iteration 4 (OVERLAPS) 12/65 variables, 11/42 constraints. Problems are: Problem set: 0 solved, 10 unsolved
[2025-05-30 07:27:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3922163739095203699.prop : 1 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/ReachabilityCardinality17537447834708379139.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3922163739095203699.prop' '--nowitness' '--gen-order' 'FOLLOW'
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 10 unsolved

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 ...329
Loading property file /tmp/ReachabilityCardinality3922163739095203699.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :10 after 20
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :20 after 59
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :59 after 274
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :274 after 2422
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :2422 after 45595
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :45595 after 1.75414e+06
At refinement iteration 7 (OVERLAPS) 2/67 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/67 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/67 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 2/69 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,7.31801e+09,0.83908,25452,2,7924,13,119071,16,0,220,117786,0
Total reachable state count : 7318009382

Verifying 10 reachability properties.
Reachability property qltransition_2 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_2,4.54948e+07,0.856082,25452,2,1623,13,119071,16,0,332,117786,0
Reachability property qltransition_3 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_3,5.80831e+07,0.859798,25452,2,1715,13,119071,16,0,342,117786,0
Reachability property qltransition_4 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_4,6.92593e+07,0.862514,25452,2,1813,13,119071,16,0,351,117786,0
Reachability property qltransition_5 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_5,7.80919e+07,0.864768,25452,2,1907,13,119071,16,0,360,117786,0
Reachability property qltransition_6 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_6,8.40968e+07,0.866964,25452,2,1987,13,119071,16,0,368,117786,0
Reachability property qltransition_7 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_7,8.72017e+07,0.868843,25452,2,2073,13,119071,16,0,376,117786,0
Reachability property qltransition_8 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_8,8.76428e+07,0.871342,25452,2,2151,13,119071,16,0,383,117786,0
Reachability property qltransition_9 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_9,8.58413e+07,0.873211,25452,2,2216,13,119071,16,0,390,117786,0
Reachability property qltransition_10 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_10,8.22969e+07,0.875117,25452,2,2289,14,119071,16,0,397,117786,0
Reachability property qltransition_12 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_12,8.18335e+07,0.877908,25452,2,2358,15,119071,16,0,403,117786,0
After SMT solving in domain Real declared 69/85 variables, and 47 constraints, problems are : Problem set: 10 solved, 0 unsolved in 1210 ms.
Refiners :[State Equation: 34/42 constraints, ReadFeed: 13/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1220ms problems are : Problem set: 10 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Able to resolve query QuasiLiveness after proving 21 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 5245 ms.

BK_STOP 1748590062661

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="CryptoMiner-PT-D20N100"
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 2-5832"
echo " Executing tool itstools"
echo " Input is CryptoMiner-PT-D20N100, 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 r049-tall-174854036300427"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CryptoMiner-PT-D20N100.tgz
mv CryptoMiner-PT-D20N100 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.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 ;