fond
Model Checking Contest 2020
10th edition, Paris, France, June 23, 2020
Execution of r176-tajo-158987871900434
Last Updated
Jun 28, 2020

About the Execution of ITS-LoLa for PolyORBLF-PT-S02J06T06

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15743.400 3600000.00 3641264.00 759.30 ?????????TTFFF?? normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r176-tajo-158987871900434.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is PolyORBLF-PT-S02J06T06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r176-tajo-158987871900434
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 9.5K Apr 12 05:39 CTLCardinality.txt
-rw-r--r-- 1 mcc users 33K Apr 12 05:39 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Apr 11 04:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Apr 11 04:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 8.1K Apr 14 12:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 39K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Apr 14 12:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 33K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K Apr 10 12:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 29K Apr 10 12:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Apr 9 17:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 37K Apr 9 17:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.2K Apr 10 22:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.7K Apr 10 22:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 983K Mar 24 05:37 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 PolyORBLF-PT-S02J06T06-00
FORMULA_NAME PolyORBLF-PT-S02J06T06-01
FORMULA_NAME PolyORBLF-PT-S02J06T06-02
FORMULA_NAME PolyORBLF-PT-S02J06T06-03
FORMULA_NAME PolyORBLF-PT-S02J06T06-04
FORMULA_NAME PolyORBLF-PT-S02J06T06-05
FORMULA_NAME PolyORBLF-PT-S02J06T06-06
FORMULA_NAME PolyORBLF-PT-S02J06T06-07
FORMULA_NAME PolyORBLF-PT-S02J06T06-08
FORMULA_NAME PolyORBLF-PT-S02J06T06-09
FORMULA_NAME PolyORBLF-PT-S02J06T06-10
FORMULA_NAME PolyORBLF-PT-S02J06T06-11
FORMULA_NAME PolyORBLF-PT-S02J06T06-12
FORMULA_NAME PolyORBLF-PT-S02J06T06-13
FORMULA_NAME PolyORBLF-PT-S02J06T06-14
FORMULA_NAME PolyORBLF-PT-S02J06T06-15

=== Now, execution of the tool begins

BK_START 1591153125641

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 02:58:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-03 02:58:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 02:58:48] [INFO ] Load time of PNML (sax parser for PT used): 132 ms
[2020-06-03 02:58:48] [INFO ] Transformed 536 places.
[2020-06-03 02:58:48] [INFO ] Transformed 1064 transitions.
[2020-06-03 02:58:48] [INFO ] Parsed PT model containing 536 places and 1064 transitions in 190 ms.
Ensure Unique test removed 96 transitions
Reduce redundant transitions removed 96 transitions.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 44 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 100000 steps, including 24 resets, run finished after 548 ms. (steps per millisecond=182 ) properties seen :[1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1]
[2020-06-03 02:58:49] [INFO ] Flow matrix only has 956 transitions (discarded 12 similar events)
// Phase 1: matrix 956 rows 536 cols
[2020-06-03 02:58:49] [INFO ] Computed 50 place invariants in 87 ms
[2020-06-03 02:58:49] [INFO ] [Real]Absence check using 19 positive place invariants in 36 ms returned sat
[2020-06-03 02:58:49] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 44 ms returned sat
[2020-06-03 02:58:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 02:58:51] [INFO ] [Real]Absence check using state equation in 2437 ms returned sat
[2020-06-03 02:58:51] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 02:58:51] [INFO ] [Nat]Absence check using 19 positive place invariants in 27 ms returned sat
[2020-06-03 02:58:51] [INFO ] [Nat]Absence check using 19 positive and 31 generalized place invariants in 42 ms returned sat
[2020-06-03 02:58:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 02:58:54] [INFO ] [Nat]Absence check using state equation in 2168 ms returned sat
[2020-06-03 02:58:54] [INFO ] State equation strengthened by 78 read => feed constraints.
[2020-06-03 02:58:54] [INFO ] [Nat]Added 78 Read/Feed constraints in 211 ms returned sat
[2020-06-03 02:58:54] [INFO ] Deduced a trap composed of 74 places in 104 ms
[2020-06-03 02:58:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 204 ms
[2020-06-03 02:58:54] [INFO ] Computed and/alt/rep : 966/12574/954 causal constraints in 96 ms.
[2020-06-03 02:59:05] [INFO ] Added : 325 causal constraints over 65 iterations in 11266 ms. Result :sat
[2020-06-03 02:59:06] [INFO ] Deduced a trap composed of 73 places in 99 ms
[2020-06-03 02:59:06] [INFO ] Deduced a trap composed of 75 places in 94 ms
[2020-06-03 02:59:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 878 ms
[2020-06-03 02:59:06] [INFO ] [Real]Absence check using 19 positive place invariants in 27 ms returned sat
[2020-06-03 02:59:06] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 48 ms returned sat
[2020-06-03 02:59:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 02:59:08] [INFO ] [Real]Absence check using state equation in 1514 ms returned sat
[2020-06-03 02:59:08] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 02:59:08] [INFO ] [Nat]Absence check using 19 positive place invariants in 30 ms returned sat
[2020-06-03 02:59:08] [INFO ] [Nat]Absence check using 19 positive and 31 generalized place invariants in 49 ms returned sat
[2020-06-03 02:59:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 02:59:12] [INFO ] [Nat]Absence check using state equation in 3901 ms returned sat
[2020-06-03 02:59:12] [INFO ] [Nat]Added 78 Read/Feed constraints in 143 ms returned sat
[2020-06-03 02:59:13] [INFO ] Deduced a trap composed of 284 places in 370 ms
[2020-06-03 02:59:13] [INFO ] Deduced a trap composed of 272 places in 343 ms
[2020-06-03 02:59:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 829 ms
[2020-06-03 02:59:13] [INFO ] Computed and/alt/rep : 966/12574/954 causal constraints in 85 ms.
[2020-06-03 02:59:26] [INFO ] Added : 75 causal constraints over 15 iterations in 13179 ms. Result :unknown
[2020-06-03 02:59:26] [INFO ] [Real]Absence check using 19 positive place invariants in 27 ms returned sat
[2020-06-03 02:59:26] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 48 ms returned sat
[2020-06-03 02:59:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 02:59:28] [INFO ] [Real]Absence check using state equation in 1523 ms returned sat
[2020-06-03 02:59:28] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 02:59:28] [INFO ] [Nat]Absence check using 19 positive place invariants in 25 ms returned sat
[2020-06-03 02:59:28] [INFO ] [Nat]Absence check using 19 positive and 31 generalized place invariants in 44 ms returned sat
[2020-06-03 02:59:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 02:59:31] [INFO ] [Nat]Absence check using state equation in 2974 ms returned sat
[2020-06-03 02:59:32] [INFO ] [Nat]Added 78 Read/Feed constraints in 606 ms returned sat
[2020-06-03 02:59:32] [INFO ] Deduced a trap composed of 75 places in 73 ms
[2020-06-03 02:59:32] [INFO ] Deduced a trap composed of 92 places in 436 ms
[2020-06-03 02:59:33] [INFO ] Deduced a trap composed of 213 places in 363 ms
[2020-06-03 02:59:33] [INFO ] Deduced a trap composed of 252 places in 367 ms
[2020-06-03 02:59:34] [INFO ] Deduced a trap composed of 265 places in 381 ms
[2020-06-03 02:59:34] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2353 ms
[2020-06-03 02:59:34] [INFO ] Computed and/alt/rep : 966/12574/954 causal constraints in 89 ms.
[2020-06-03 02:59:42] [INFO ] Added : 30 causal constraints over 6 iterations in 8308 ms. Result :unknown
[2020-06-03 02:59:42] [INFO ] [Real]Absence check using 19 positive place invariants in 23 ms returned sat
[2020-06-03 02:59:42] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 18 ms returned unsat
[2020-06-03 02:59:42] [INFO ] [Real]Absence check using 19 positive place invariants in 21 ms returned sat
[2020-06-03 02:59:43] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 27 ms returned unsat
[2020-06-03 02:59:43] [INFO ] [Real]Absence check using 19 positive place invariants in 19 ms returned sat
[2020-06-03 02:59:43] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 27 ms returned unsat
Successfully simplified 3 atomic propositions for a total of 3 simplifications.
[2020-06-03 02:59:43] [INFO ] Initial state reduction rules for CTL removed 5 formulas.
[2020-06-03 02:59:43] [INFO ] Flatten gal took : 145 ms
FORMULA PolyORBLF-PT-S02J06T06-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J06T06-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J06T06-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J06T06-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J06T06-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-06-03 02:59:43] [INFO ] Flatten gal took : 99 ms
[2020-06-03 02:59:43] [INFO ] Export to MCC properties in file /home/mcc/execution/LTLFireability.sr.xml took 6 ms.
[2020-06-03 02:59:43] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 8 ms.
info: Time: 3600 - MCC
vrfy: Checking LTLFireability @ PolyORBLF-PT-S02J06T06 @ 3570 seconds
check_solution: Variable C186 = -0.940248966217 is below its lower bound 0
check_solution: Variable C726 = -0.0195252895355 is below its lower bound 0
check_solution: Constraint R5 = 4.26945553235e-311 is above its equality of -9
check_solution: Constraint R22 = 2.65673873118e-311 is above its equality of -1
check_solution: Constraint R23 = 2.58034688275e-311 is above its equality of -1
check_solution: Constraint R33 = 3.38458328737e-311 is above its equality of -1
check_solution: Constraint R42 = 4.13576979725e-311 is above its equality of -1
check_solution: Constraint R45 = 2.1665577031e-311 is above its equality of -1
check_solution: Constraint R135 = 2.79042446562e-311 is above its equality of -1
check_solution: Constraint R151 = 2.7416185627e-311 is above its equality of -1

Seriously low accuracy found ||*|| = 10 (rel. error 1)
check_solution: Constraint R5 = 0 is above its equality of -9
check_solution: Constraint R6 = 1 is above its equality of 0
check_solution: Constraint R7 = 12.9387620198 is above its equality of 0
check_solution: Constraint R9 = 1.42105072999 is above its equality of 0
check_solution: Constraint R10 = 3.05210979735 is above its equality of 0
check_solution: Constraint R11 = 25.3634536776 is above its equality of 0
check_solution: Constraint R12 = 2.87020778 is above its equality of 0
check_solution: Constraint R13 = 1 is above its equality of 0
check_solution: Constraint R14 = 15.4633249141 is above its equality of 0
check_solution: Constraint R15 = 1.237524757 is above its equality of 0

Seriously low accuracy found ||*|| = 6960.94 (rel. error 633.628)
check_solution: Variable C308 = -0.523550510407 is below its lower bound 0
check_solution: Variable C848 = -0.73941898346 is below its lower bound 0
check_solution: Variable C1118 = -0.409824371338 is below its lower bound 0
check_solution: Variable C1388 = -0.00596175342798 is below its lower bound 0
check_solution: Constraint R5 = 3.52039101809e-311 is above its equality of -9
check_solution: Constraint R22 = 3.75593255053e-311 is above its equality of -1
check_solution: Constraint R23 = 4.00420605823e-311 is above its equality of -1
check_solution: Constraint R33 = 2.3448053498e-311 is above its equality of -1
check_solution: Constraint R34 = -1.5340719223 is below its equality of 0
check_solution: Constraint R42 = 3.08538188091e-311 is above its equality of -1

Seriously low accuracy found ||*|| = 10 (rel. error 167.736)
check_solution: Variable C132 = -0.186076521874 is below its lower bound 0
check_solution: Variable C432 = -0.344295501709 is below its lower bound 0
check_solution: Variable C1242 = -0.0667371153832 is below its lower bound 0
check_solution: Constraint R5 = 4.08484189831e-311 is above its equality of -9
check_solution: Constraint R22 = 4.30128546901e-311 is above its equality of -1
check_solution: Constraint R23 = 4.13364780135e-311 is above its equality of -1
check_solution: Constraint R33 = 2.90713423447e-311 is above its equality of -1
check_solution: Constraint R42 = 3.17874969541e-311 is above its equality of -1
check_solution: Constraint R45 = 4.18669769645e-311 is above its equality of -1
check_solution: Constraint R128 = 0.74649810791 is above its equality of 0

Seriously low accuracy found ||*|| = 10 (rel. error 8.55147)
check_solution: Variable C44 = -0.400422811508 is below its lower bound 0
check_solution: Variable C314 = -0.19658267498 is below its lower bound 0
check_solution: Variable C584 = -0.400422811508 is below its lower bound 0
check_solution: Variable C854 = -0.19658267498 is below its lower bound 0
check_solution: Variable C1124 = -2.7742099762 is below its lower bound 0
check_solution: Variable C1394 = -1.13347816467 is below its lower bound 0
check_solution: Constraint R5 = 3.5861728876e-311 is above its equality of -9
check_solution: Constraint R22 = 3.23604358164e-311 is above its equality of -1
check_solution: Constraint R23 = 2.20475362738e-311 is above its equality of -1
check_solution: Constraint R33 = 1.34746732801e-311 is above its equality of -1

Seriously low accuracy found ||*|| = 10 (rel. error 2.77421)
check_solution: Constraint R5 = 0 is above its equality of -9
check_solution: Constraint R7 = -1 is below its equality of 0
check_solution: Constraint R22 = 0 is above its equality of -1
check_solution: Constraint R24 = -1 is below its equality of 0
check_solution: Constraint R33 = 0 is above its equality of -1
check_solution: Constraint R37 = -1 is below its equality of 0
check_solution: Constraint R42 = 0 is above its equality of -1
check_solution: Constraint R45 = 0 is above its equality of -1
check_solution: Constraint R55 = -1 is below its equality of 0
check_solution: Constraint R60 = -1 is below its equality of 0

Seriously low accuracy found ||*|| = 10 (rel. error 1)
check_solution: Variable C1360 = -2.03924179077 is below its lower bound 0
check_solution: Constraint R5 = 3.74956656361e-311 is above its equality of -9
check_solution: Constraint R6 = 2.00800514221 is above its equality of 0
check_solution: Constraint R22 = 4.11030584774e-311 is above its equality of -1
check_solution: Constraint R23 = 2.7776924912e-311 is above its equality of -1
check_solution: Constraint R33 = 4.28430950259e-311 is above its equality of -1
check_solution: Constraint R42 = 3.14479776292e-311 is above its equality of -1
check_solution: Constraint R45 = 3.0365759778e-311 is above its equality of -1
check_solution: Constraint R135 = 2.77557049522e-311 is above its equality of -1
check_solution: Constraint R151 = 2.86045032681e-311 is above its equality of -1

Seriously low accuracy found ||*|| = 10 (rel. error 2.03924)
check_solution: Variable C272 = -0.0102139785886 is below its lower bound 0
check_solution: Variable C542 = -0.176349520683 is below its lower bound 0
check_solution: Variable C812 = -1.44833755493 is below its lower bound 0
check_solution: Variable C1082 = -0.0238618701696 is below its lower bound 0
check_solution: Variable C1352 = -0.017789632082 is below its lower bound 0
check_solution: Constraint R5 = 3.87688631047e-311 is above its equality of -9
check_solution: Constraint R22 = 3.38458328711e-311 is above its equality of -1
check_solution: Constraint R23 = 3.92144822259e-311 is above its equality of -1
check_solution: Constraint R33 = 3.56070893807e-311 is above its equality of -1
check_solution: Constraint R42 = 3.14267576714e-311 is above its equality of -1

Seriously low accuracy found ||*|| = 10 (rel. error 5.67056)
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16427488 kB
MemFree: 11334200 kB
After kill :
MemTotal: 16427488 kB
MemFree: 16141192 kB

--------------------
content from stderr:

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-S02J06T06"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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 2-4028"
echo " Executing tool itslola"
echo " Input is PolyORBLF-PT-S02J06T06, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r176-tajo-158987871900434"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S02J06T06.tgz
mv PolyORBLF-PT-S02J06T06 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;