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.r180-ebro-158987900000273.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 DES-PT-30a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r180-ebro-158987900000273
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 256K
-rw-r--r-- 1 mcc users 3.4K Mar 30 01:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Mar 30 01:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 28 16:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 28 16:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Apr 8 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Apr 8 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 27 08:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 22K Mar 27 08:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 26 08:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 13K Mar 26 08:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 28 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 28 14:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 70K 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 DES-PT-30a-00
FORMULA_NAME DES-PT-30a-01
FORMULA_NAME DES-PT-30a-02
FORMULA_NAME DES-PT-30a-03
FORMULA_NAME DES-PT-30a-04
FORMULA_NAME DES-PT-30a-05
FORMULA_NAME DES-PT-30a-06
FORMULA_NAME DES-PT-30a-07
FORMULA_NAME DES-PT-30a-08
FORMULA_NAME DES-PT-30a-09
FORMULA_NAME DES-PT-30a-10
FORMULA_NAME DES-PT-30a-11
FORMULA_NAME DES-PT-30a-12
FORMULA_NAME DES-PT-30a-13
FORMULA_NAME DES-PT-30a-14
FORMULA_NAME DES-PT-30a-15

=== Now, execution of the tool begins

BK_START 1591186531268

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 12:15:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-03 12:15:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 12:15:34] [INFO ] Load time of PNML (sax parser for PT used): 128 ms
[2020-06-03 12:15:34] [INFO ] Transformed 234 places.
[2020-06-03 12:15:34] [INFO ] Transformed 191 transitions.
[2020-06-03 12:15:34] [INFO ] Found NUPN structural information;
[2020-06-03 12:15:34] [INFO ] Parsed PT model containing 234 places and 191 transitions in 205 ms.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 54 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 100000 steps, including 2234 resets, run finished after 653 ms. (steps per millisecond=153 ) properties seen :[0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0]
// Phase 1: matrix 177 rows 234 cols
[2020-06-03 12:15:35] [INFO ] Computed 59 place invariants in 33 ms
[2020-06-03 12:15:36] [INFO ] [Real]Absence check using 34 positive place invariants in 73 ms returned sat
[2020-06-03 12:15:36] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 49 ms returned sat
[2020-06-03 12:15:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:36] [INFO ] [Real]Absence check using state equation in 489 ms returned sat
[2020-06-03 12:15:36] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 12:15:37] [INFO ] [Nat]Absence check using 34 positive place invariants in 36 ms returned unsat
[2020-06-03 12:15:37] [INFO ] [Real]Absence check using 34 positive place invariants in 58 ms returned sat
[2020-06-03 12:15:37] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 55 ms returned sat
[2020-06-03 12:15:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:37] [INFO ] [Real]Absence check using state equation in 428 ms returned sat
[2020-06-03 12:15:38] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 12:15:38] [INFO ] [Nat]Absence check using 34 positive place invariants in 39 ms returned sat
[2020-06-03 12:15:38] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 133 ms returned sat
[2020-06-03 12:15:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:38] [INFO ] [Nat]Absence check using state equation in 643 ms returned sat
[2020-06-03 12:15:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2020-06-03 12:15:38] [INFO ] [Nat]Added 1 Read/Feed constraints in 9 ms returned sat
[2020-06-03 12:15:39] [INFO ] Computed and/alt/rep : 176/719/176 causal constraints in 52 ms.
[2020-06-03 12:15:40] [INFO ] Added : 144 causal constraints over 29 iterations in 1727 ms. Result :sat
[2020-06-03 12:15:41] [INFO ] Deduced a trap composed of 18 places in 352 ms
[2020-06-03 12:15:41] [INFO ] Deduced a trap composed of 17 places in 104 ms
[2020-06-03 12:15:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 627 ms
[2020-06-03 12:15:41] [INFO ] [Real]Absence check using 34 positive place invariants in 56 ms returned sat
[2020-06-03 12:15:41] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 42 ms returned sat
[2020-06-03 12:15:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:41] [INFO ] [Real]Absence check using state equation in 338 ms returned sat
[2020-06-03 12:15:41] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 12:15:41] [INFO ] [Nat]Absence check using 34 positive place invariants in 27 ms returned sat
[2020-06-03 12:15:42] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 61 ms returned sat
[2020-06-03 12:15:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:42] [INFO ] [Nat]Absence check using state equation in 517 ms returned sat
[2020-06-03 12:15:42] [INFO ] [Nat]Added 1 Read/Feed constraints in 7 ms returned sat
[2020-06-03 12:15:42] [INFO ] Computed and/alt/rep : 176/719/176 causal constraints in 36 ms.
[2020-06-03 12:15:44] [INFO ] Added : 139 causal constraints over 29 iterations in 1452 ms. Result :sat
[2020-06-03 12:15:44] [INFO ] [Real]Absence check using 34 positive place invariants in 27 ms returned sat
[2020-06-03 12:15:44] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 39 ms returned sat
[2020-06-03 12:15:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:44] [INFO ] [Real]Absence check using state equation in 413 ms returned sat
[2020-06-03 12:15:44] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 12:15:44] [INFO ] [Nat]Absence check using 34 positive place invariants in 28 ms returned sat
[2020-06-03 12:15:44] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 68 ms returned sat
[2020-06-03 12:15:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:45] [INFO ] [Nat]Absence check using state equation in 425 ms returned sat
[2020-06-03 12:15:45] [INFO ] [Nat]Added 1 Read/Feed constraints in 5 ms returned sat
[2020-06-03 12:15:45] [INFO ] Computed and/alt/rep : 176/719/176 causal constraints in 36 ms.
[2020-06-03 12:15:46] [INFO ] Added : 91 causal constraints over 19 iterations in 941 ms. Result :sat
[2020-06-03 12:15:46] [INFO ] [Real]Absence check using 34 positive place invariants in 38 ms returned sat
[2020-06-03 12:15:46] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 144 ms returned sat
[2020-06-03 12:15:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:46] [INFO ] [Real]Absence check using state equation in 525 ms returned sat
[2020-06-03 12:15:47] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 12:15:47] [INFO ] [Nat]Absence check using 34 positive place invariants in 22 ms returned unsat
[2020-06-03 12:15:47] [INFO ] [Real]Absence check using 34 positive place invariants in 38 ms returned sat
[2020-06-03 12:15:47] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 34 ms returned sat
[2020-06-03 12:15:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:47] [INFO ] [Real]Absence check using state equation in 382 ms returned sat
[2020-06-03 12:15:47] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 12:15:47] [INFO ] [Nat]Absence check using 34 positive place invariants in 43 ms returned sat
[2020-06-03 12:15:47] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 48 ms returned sat
[2020-06-03 12:15:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:48] [INFO ] [Nat]Absence check using state equation in 463 ms returned sat
[2020-06-03 12:15:48] [INFO ] [Nat]Added 1 Read/Feed constraints in 5 ms returned sat
[2020-06-03 12:15:48] [INFO ] Computed and/alt/rep : 176/719/176 causal constraints in 35 ms.
[2020-06-03 12:15:49] [INFO ] Added : 100 causal constraints over 21 iterations in 1000 ms. Result :sat
[2020-06-03 12:15:49] [INFO ] [Real]Absence check using 34 positive place invariants in 32 ms returned sat
[2020-06-03 12:15:49] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 33 ms returned sat
[2020-06-03 12:15:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:50] [INFO ] [Real]Absence check using state equation in 627 ms returned sat
[2020-06-03 12:15:50] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 12:15:50] [INFO ] [Nat]Absence check using 34 positive place invariants in 114 ms returned sat
[2020-06-03 12:15:50] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 144 ms returned sat
[2020-06-03 12:15:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:51] [INFO ] [Nat]Absence check using state equation in 609 ms returned sat
[2020-06-03 12:15:51] [INFO ] [Nat]Added 1 Read/Feed constraints in 7 ms returned sat
[2020-06-03 12:15:51] [INFO ] Computed and/alt/rep : 176/719/176 causal constraints in 33 ms.
[2020-06-03 12:15:52] [INFO ] Added : 122 causal constraints over 25 iterations in 1659 ms. Result :sat
[2020-06-03 12:15:53] [INFO ] Deduced a trap composed of 12 places in 140 ms
[2020-06-03 12:15:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 214 ms
[2020-06-03 12:15:53] [INFO ] [Real]Absence check using 34 positive place invariants in 29 ms returned sat
[2020-06-03 12:15:53] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 28 ms returned sat
[2020-06-03 12:15:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:53] [INFO ] [Real]Absence check using state equation in 379 ms returned sat
[2020-06-03 12:15:53] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 12:15:53] [INFO ] [Nat]Absence check using 34 positive place invariants in 36 ms returned sat
[2020-06-03 12:15:53] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 40 ms returned sat
[2020-06-03 12:15:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:54] [INFO ] [Nat]Absence check using state equation in 501 ms returned sat
[2020-06-03 12:15:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 5 ms returned sat
[2020-06-03 12:15:54] [INFO ] Computed and/alt/rep : 176/719/176 causal constraints in 36 ms.
[2020-06-03 12:15:55] [INFO ] Added : 78 causal constraints over 17 iterations in 1000 ms. Result :sat
[2020-06-03 12:15:55] [INFO ] [Real]Absence check using 34 positive place invariants in 33 ms returned sat
[2020-06-03 12:15:55] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 30 ms returned sat
[2020-06-03 12:15:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:56] [INFO ] [Real]Absence check using state equation in 771 ms returned sat
[2020-06-03 12:15:56] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 12:15:56] [INFO ] [Nat]Absence check using 34 positive place invariants in 21 ms returned unsat
[2020-06-03 12:15:56] [INFO ] [Real]Absence check using 34 positive place invariants in 39 ms returned sat
[2020-06-03 12:15:56] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 36 ms returned sat
[2020-06-03 12:15:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:57] [INFO ] [Real]Absence check using state equation in 662 ms returned sat
[2020-06-03 12:15:57] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 12:15:57] [INFO ] [Nat]Absence check using 34 positive place invariants in 40 ms returned sat
[2020-06-03 12:15:57] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 150 ms returned sat
[2020-06-03 12:15:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 12:15:58] [INFO ] [Nat]Absence check using state equation in 632 ms returned sat
[2020-06-03 12:15:58] [INFO ] [Nat]Added 1 Read/Feed constraints in 5 ms returned sat
[2020-06-03 12:15:58] [INFO ] Computed and/alt/rep : 176/719/176 causal constraints in 61 ms.
[2020-06-03 12:15:59] [INFO ] Added : 133 causal constraints over 27 iterations in 1242 ms. Result :sat
[2020-06-03 12:15:59] [INFO ] Deduced a trap composed of 12 places in 89 ms
[2020-06-03 12:15:59] [INFO ] Deduced a trap composed of 9 places in 83 ms
[2020-06-03 12:15:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 296 ms
Successfully simplified 3 atomic propositions for a total of 3 simplifications.
[2020-06-03 12:16:00] [INFO ] Initial state reduction rules for CTL removed 9 formulas.
[2020-06-03 12:16:00] [INFO ] Flatten gal took : 180 ms
FORMULA DES-PT-30a-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-30a-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-30a-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-30a-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-30a-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-30a-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-30a-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-30a-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-30a-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-06-03 12:16:00] [INFO ] Applying decomposition
[2020-06-03 12:16:00] [INFO ] Flatten gal took : 51 ms
[2020-06-03 12:16:00] [INFO ] Decomposing Gal with order
[2020-06-03 12:16:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-06-03 12:16:00] [INFO ] Removed a total of 221 redundant transitions.
[2020-06-03 12:16:00] [INFO ] Flatten gal took : 148 ms
[2020-06-03 12:16:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 127 labels/synchronizations in 34 ms.
[2020-06-03 12:16:01] [INFO ] Export to MCC properties in file /home/mcc/execution/LTLCardinality.sr.xml took 19 ms.
[2020-06-03 12:16:01] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 6 ms.
info: Time: 3600 - MCC
vrfy: Checking LTLCardinality @ DES-PT-30a @ 3570 seconds

FORMULA DES-PT-30a-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DES-PT-30a-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16427456 kB
MemFree: 16115872 kB
After kill :
MemTotal: 16427456 kB
MemFree: 16117668 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="DES-PT-30a"
export BK_EXAMINATION="LTLCardinality"
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 DES-PT-30a, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r180-ebro-158987900000273"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-30a.tgz
mv DES-PT-30a execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;