Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r217-tall-174902002400078.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 ShieldRVs-PT-030B, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r217-tall-174902002400078
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 788K
-rw-r--r-- 1 mcc users 7.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 64K 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 85K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 370K May 29 14:33 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 StableMarking

=== Now, execution of the tool begins

BK_START 1749073421345

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldRVs-PT-030B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2025-06-04 21:43:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-04 21:43:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 21:43:43] [INFO ] Load time of PNML (sax parser for PT used): 142 ms
[2025-06-04 21:43:43] [INFO ] Transformed 1203 places.
[2025-06-04 21:43:43] [INFO ] Transformed 1353 transitions.
[2025-06-04 21:43:43] [INFO ] Found NUPN structural information;
[2025-06-04 21:43:43] [INFO ] Parsed PT model containing 1203 places and 1353 transitions and 4320 arcs in 302 ms.
Structural test allowed to assert that 571 places are NOT stable. Took 18 ms.
RANDOM walk for 40000 steps (28 resets) in 3619 ms. (11 steps per ms) remains 24/632 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 24/24 properties
[2025-06-04 21:43:44] [INFO ] Flatten gal took : 310 ms
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 24/24 properties
[2025-06-04 21:43:44] [INFO ] Flatten gal took : 96 ms
// Phase 1: matrix 1353 rows 1203 cols
[2025-06-04 21:43:44] [INFO ] Computed 121 invariants in 41 ms
[2025-06-04 21:43:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12094438051530327380.gal : 63 ms
[2025-06-04 21:43:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11548954926261052259.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/ReachabilityCardinality12094438051530327380.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11548954926261052259.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
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) 0/24 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Loading property file /tmp/ReachabilityCardinality11548954926261052259.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (OVERLAPS) 315/339 variables, 24/48 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/339 variables, 315/363 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/339 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 864/1203 variables, 97/460 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1203 variables, 864/1324 constraints. Problems are: Problem set: 0 solved, 24 unsolved
SDD proceeding with computation,24 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,24 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,24 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,24 properties remain. new max is 32
SDD size :19 after 37
SDD proceeding with computation,24 properties remain. new max is 64
SDD size :37 after 331
SDD proceeding with computation,24 properties remain. new max is 128
SDD size :331 after 3.39768e+06
SDD proceeding with computation,24 properties remain. new max is 256
SDD size :3.39768e+06 after 9.86168e+14
SDD proceeding with computation,24 properties remain. new max is 512
SDD size :9.86168e+14 after 2.52744e+32
At refinement iteration 7 (INCLUDED_ONLY) 0/1203 variables, 0/1324 constraints. Problems are: Problem set: 0 solved, 24 unsolved
SDD proceeding with computation,24 properties remain. new max is 1024
SDD size :2.52744e+32 after 1.23682e+65
Invariant property smplace_106 does not hold.
SDD proceeding with computation,23 properties remain. new max is 1024
SDD size :1.23682e+65 after 1.23682e+65
Invariant property smplace_81 does not hold.
SDD proceeding with computation,22 properties remain. new max is 1024
SDD size :1.23682e+65 after 1.23682e+65
SDD proceeding with computation,22 properties remain. new max is 2048
SDD size :1.23682e+65 after 1.23682e+65
Invariant property smplace_120 does not hold.
SDD proceeding with computation,21 properties remain. new max is 2048
SDD size :1.23682e+65 after 1.23682e+65
At refinement iteration 8 (OVERLAPS) 1353/2556 variables, 1203/2527 constraints. Problems are: Problem set: 3 solved, 21 unsolved
Invariant property smplace_184 does not hold.
SDD proceeding with computation,20 properties remain. new max is 2048
SDD size :1.23682e+65 after 1.23682e+65
SDD proceeding with computation,20 properties remain. new max is 4096
SDD size :1.23682e+65 after 1.23682e+65
SDD proceeding with computation,20 properties remain. new max is 8192
SDD size :1.23682e+65 after 1.23682e+65
At refinement iteration 9 (INCLUDED_ONLY) 0/2556 variables, 0/2527 constraints. Problems are: Problem set: 4 solved, 20 unsolved
At refinement iteration 10 (OVERLAPS) 0/2556 variables, 0/2527 constraints. Problems are: Problem set: 4 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2556/2556 variables, and 2527 constraints, problems are : Problem set: 4 solved, 20 unsolved in 3369 ms.
Refiners :[Domain max(s): 1203/1203 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 1203/1203 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 20 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 20/20 constraints. Problems are: Problem set: 4 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/20 constraints. Problems are: Problem set: 4 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 267/287 variables, 20/40 constraints. Problems are: Problem set: 4 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/287 variables, 267/307 constraints. Problems are: Problem set: 4 solved, 20 unsolved
Invariant property smplace_157 does not hold.
SDD proceeding with computation,19 properties remain. new max is 8192
SDD size :1.23682e+65 after 1.23682e+65
At refinement iteration 4 (INCLUDED_ONLY) 0/287 variables, 0/307 constraints. Problems are: Problem set: 5 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 916/1203 variables, 101/408 constraints. Problems are: Problem set: 5 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1203 variables, 916/1324 constraints. Problems are: Problem set: 5 solved, 19 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:43:49] [INFO ] Deduced a trap composed of 16 places in 426 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,19 properties remain. new max is 16384
SDD size :1.23682e+65 after 1.23682e+65
[2025-06-04 21:43:49] [INFO ] Deduced a trap composed of 18 places in 415 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:43:50] [INFO ] Deduced a trap composed of 20 places in 398 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:43:50] [INFO ] Deduced a trap composed of 21 places in 396 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:43:50] [INFO ] Deduced a trap composed of 22 places in 358 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:43:51] [INFO ] Deduced a trap composed of 22 places in 377 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:43:51] [INFO ] Deduced a trap composed of 23 places in 380 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:43:52] [INFO ] Deduced a trap composed of 25 places in 314 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,19 properties remain. new max is 32768
SDD size :1.23682e+65 after 1.23682e+65
[2025-06-04 21:43:52] [INFO ] Deduced a trap composed of 25 places in 309 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:43:52] [INFO ] Deduced a trap composed of 26 places in 326 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:43:53] [INFO ] Deduced a trap composed of 27 places in 356 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:43:53] [INFO ] Deduced a trap composed of 29 places in 318 ms of which 43 ms to minimize.
SMT process timed out in 8773ms, After SMT, problems are : Problem set: 5 solved, 19 unsolved
Fused 19 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 19 out of 1203 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1203/1203 places, 1353/1353 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 121 transitions
Trivial Post-agglo rules discarded 121 transitions
Performed 121 trivial Post agglomeration. Transition count delta: 121
Iterating post reduction 0 with 121 rules applied. Total rules applied 121 place count 1203 transition count 1232
Reduce places removed 121 places and 0 transitions.
Iterating post reduction 1 with 121 rules applied. Total rules applied 242 place count 1082 transition count 1232
Performed 150 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 150 Pre rules applied. Total rules applied 242 place count 1082 transition count 1082
Deduced a syphon composed of 150 places in 1 ms
Reduce places removed 150 places and 0 transitions.
Iterating global reduction 2 with 300 rules applied. Total rules applied 542 place count 932 transition count 1082
Discarding 191 places :
Symmetric choice reduction at 2 with 191 rule applications. Total rules 733 place count 741 transition count 891
Iterating global reduction 2 with 191 rules applied. Total rules applied 924 place count 741 transition count 891
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 90 Pre rules applied. Total rules applied 924 place count 741 transition count 801
Deduced a syphon composed of 90 places in 3 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 2 with 180 rules applied. Total rules applied 1104 place count 651 transition count 801
Performed 210 Post agglomeration using F-continuation condition.Transition count delta: 210
Deduced a syphon composed of 210 places in 2 ms
Reduce places removed 210 places and 0 transitions.
Iterating global reduction 2 with 420 rules applied. Total rules applied 1524 place count 441 transition count 591
Partial Free-agglomeration rule applied 62 times.
Drop transitions (Partial Free agglomeration) removed 62 transitions
Iterating global reduction 2 with 62 rules applied. Total rules applied 1586 place count 441 transition count 591
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 1587 place count 440 transition count 590
Applied a total of 1587 rules in 313 ms. Remains 440 /1203 variables (removed 763) and now considering 590/1353 (removed 763) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 320 ms. Remains : 440/1203 places, 590/1353 transitions.
RANDOM walk for 22327 steps (60 resets) in 582 ms. (38 steps per ms) remains 0/19 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 633 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL
Total runtime 11123 ms.

BK_STOP 1749073434029

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -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//
++ 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 StableMarking -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="ShieldRVs-PT-030B"
export BK_EXAMINATION="StableMarking"
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 ShieldRVs-PT-030B, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r217-tall-174902002400078"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVs-PT-030B.tgz
mv ShieldRVs-PT-030B execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;