Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2020-input.r166-smll-158987787300129.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/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 ASLink-PT-08b, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r166-smll-158987787300129
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 3.9K Mar 25 09:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 25 09:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 25 09:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 25 09:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.6K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.2K Apr 8 14:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Apr 8 14:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K Mar 25 09:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K Mar 25 09:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 25 08:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 11K Mar 25 08:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 25 09:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 25 09:04 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 1.2M 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 ASLink-PT-08b-00
FORMULA_NAME ASLink-PT-08b-01
FORMULA_NAME ASLink-PT-08b-02
FORMULA_NAME ASLink-PT-08b-03
FORMULA_NAME ASLink-PT-08b-04
FORMULA_NAME ASLink-PT-08b-05
FORMULA_NAME ASLink-PT-08b-06
FORMULA_NAME ASLink-PT-08b-07
FORMULA_NAME ASLink-PT-08b-08
FORMULA_NAME ASLink-PT-08b-09
FORMULA_NAME ASLink-PT-08b-10
FORMULA_NAME ASLink-PT-08b-11
FORMULA_NAME ASLink-PT-08b-12
FORMULA_NAME ASLink-PT-08b-13
FORMULA_NAME ASLink-PT-08b-14
FORMULA_NAME ASLink-PT-08b-15

=== Now, execution of the tool begins

BK_START 1591268924844

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 11:08:47] [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]
[2020-06-04 11:08:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 11:08:48] [INFO ] Load time of PNML (sax parser for PT used): 522 ms
[2020-06-04 11:08:48] [INFO ] Transformed 3618 places.
[2020-06-04 11:08:48] [INFO ] Transformed 4459 transitions.
[2020-06-04 11:08:48] [INFO ] Found NUPN structural information;
[2020-06-04 11:08:48] [INFO ] Parsed PT model containing 3618 places and 4459 transitions in 683 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 183 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 100000 steps, including 151 resets, run finished after 1079 ms. (steps per millisecond=92 ) properties seen :[0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1]
// Phase 1: matrix 4459 rows 3618 cols
[2020-06-04 11:08:50] [INFO ] Computed 355 place invariants in 1042 ms
[2020-06-04 11:08:52] [INFO ] [Real]Absence check using 83 positive place invariants in 357 ms returned sat
[2020-06-04 11:08:53] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 730 ms returned sat
[2020-06-04 11:08:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:09:10] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:09:10] [INFO ] [Real]Absence check using state equation in 17758 ms returned (error "Failed to check-sat")
[2020-06-04 11:09:12] [INFO ] [Real]Absence check using 83 positive place invariants in 518 ms returned sat
[2020-06-04 11:09:13] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1152 ms returned sat
[2020-06-04 11:09:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:09:30] [INFO ] [Real]Absence check using state equation in 17464 ms returned (error "Solver has unexpectedly terminated")
[2020-06-04 11:09:32] [INFO ] [Real]Absence check using 83 positive place invariants in 498 ms returned sat
[2020-06-04 11:09:33] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1001 ms returned sat
[2020-06-04 11:09:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:09:50] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:09:50] [INFO ] [Real]Absence check using state equation in 17738 ms returned (error "Failed to check-sat")
[2020-06-04 11:09:52] [INFO ] [Real]Absence check using 83 positive place invariants in 516 ms returned sat
[2020-06-04 11:09:53] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1149 ms returned sat
[2020-06-04 11:09:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:10:10] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:10:10] [INFO ] [Real]Absence check using state equation in 17443 ms returned (error "Failed to check-sat")
[2020-06-04 11:10:12] [INFO ] [Real]Absence check using 83 positive place invariants in 511 ms returned sat
[2020-06-04 11:10:13] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1041 ms returned sat
[2020-06-04 11:10:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:10:30] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:10:30] [INFO ] [Real]Absence check using state equation in 17746 ms returned (error "Failed to check-sat")
[2020-06-04 11:10:32] [INFO ] [Real]Absence check using 83 positive place invariants in 467 ms returned sat
[2020-06-04 11:10:33] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 760 ms returned sat
[2020-06-04 11:10:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:10:51] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:10:51] [INFO ] [Real]Absence check using state equation in 17480 ms returned unknown
[2020-06-04 11:10:52] [INFO ] [Real]Absence check using 83 positive place invariants in 524 ms returned sat
[2020-06-04 11:10:53] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1218 ms returned sat
[2020-06-04 11:10:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:11:11] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:11:11] [INFO ] [Real]Absence check using state equation in 17357 ms returned (error "Failed to check-sat")
[2020-06-04 11:11:12] [INFO ] [Real]Absence check using 83 positive place invariants in 523 ms returned sat
[2020-06-04 11:11:13] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1164 ms returned sat
[2020-06-04 11:11:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:11:31] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:11:31] [INFO ] [Real]Absence check using state equation in 17390 ms returned (error "Failed to check-sat")
[2020-06-04 11:11:31] [INFO ] [Real]Absence check using 83 positive place invariants in 412 ms returned sat
[2020-06-04 11:11:32] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 997 ms returned sat
[2020-06-04 11:11:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:11:51] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:11:51] [INFO ] [Real]Absence check using state equation in 18106 ms returned (error "Failed to check-sat")
[2020-06-04 11:11:52] [INFO ] [Real]Absence check using 83 positive place invariants in 333 ms returned sat
[2020-06-04 11:11:53] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1046 ms returned sat
[2020-06-04 11:11:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:12:11] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:12:11] [INFO ] [Real]Absence check using state equation in 17690 ms returned (error "Failed to check-sat")
[2020-06-04 11:12:12] [INFO ] [Real]Absence check using 83 positive place invariants in 537 ms returned sat
[2020-06-04 11:12:13] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1102 ms returned sat
[2020-06-04 11:12:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:12:31] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:12:31] [INFO ] [Real]Absence check using state equation in 17405 ms returned (error "Failed to check-sat")
[2020-06-04 11:12:32] [INFO ] [Real]Absence check using 83 positive place invariants in 525 ms returned sat
[2020-06-04 11:12:33] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1120 ms returned sat
[2020-06-04 11:12:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:12:51] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:12:51] [INFO ] [Real]Absence check using state equation in 17414 ms returned unknown
[2020-06-04 11:12:52] [INFO ] [Real]Absence check using 83 positive place invariants in 523 ms returned sat
[2020-06-04 11:12:53] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1121 ms returned sat
[2020-06-04 11:12:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:13:11] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:13:11] [INFO ] [Real]Absence check using state equation in 17449 ms returned unknown
[2020-06-04 11:13:12] [INFO ] [Real]Absence check using 83 positive place invariants in 516 ms returned sat
[2020-06-04 11:13:13] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1061 ms returned sat
[2020-06-04 11:13:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:13:31] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:13:31] [INFO ] [Real]Absence check using state equation in 17485 ms returned (error "Failed to check-sat")
[2020-06-04 11:13:32] [INFO ] [Real]Absence check using 83 positive place invariants in 553 ms returned sat
[2020-06-04 11:13:33] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1106 ms returned sat
[2020-06-04 11:13:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:13:51] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:13:51] [INFO ] [Real]Absence check using state equation in 17393 ms returned (error "Failed to check-sat")
[2020-06-04 11:13:52] [INFO ] [Real]Absence check using 83 positive place invariants in 520 ms returned sat
[2020-06-04 11:13:53] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1111 ms returned sat
[2020-06-04 11:13:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:14:11] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:14:11] [INFO ] [Real]Absence check using state equation in 17428 ms returned (error "Failed to check-sat")
[2020-06-04 11:14:12] [INFO ] [Real]Absence check using 83 positive place invariants in 541 ms returned sat
[2020-06-04 11:14:13] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1115 ms returned sat
[2020-06-04 11:14:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:14:31] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:14:31] [INFO ] [Real]Absence check using state equation in 17688 ms returned (error "Failed to check-sat")
[2020-06-04 11:14:32] [INFO ] [Real]Absence check using 83 positive place invariants in 518 ms returned sat
[2020-06-04 11:14:33] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1049 ms returned sat
[2020-06-04 11:14:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:14:51] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:14:51] [INFO ] [Real]Absence check using state equation in 17502 ms returned (error "Failed to check-sat")
[2020-06-04 11:14:51] [INFO ] [Real]Absence check using 83 positive place invariants in 332 ms returned sat
[2020-06-04 11:14:52] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 1025 ms returned sat
[2020-06-04 11:14:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:15:11] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:15:11] [INFO ] [Real]Absence check using state equation in 18223 ms returned (error "Failed to check-sat")
[2020-06-04 11:15:12] [INFO ] [Real]Absence check using 83 positive place invariants in 326 ms returned sat
[2020-06-04 11:15:13] [INFO ] [Real]Absence check using 83 positive and 272 generalized place invariants in 697 ms returned sat
[2020-06-04 11:15:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 11:15:31] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 11:15:31] [INFO ] [Real]Absence check using state equation in 18046 ms returned (error "Failed to check-sat")
[2020-06-04 11:15:31] [INFO ] Initial state reduction rules for CTL removed 5 formulas.
[2020-06-04 11:15:31] [INFO ] Flatten gal took : 530 ms
FORMULA ASLink-PT-08b-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ASLink-PT-08b-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ASLink-PT-08b-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ASLink-PT-08b-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ASLink-PT-08b-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-06-04 11:15:31] [INFO ] Applying decomposition
[2020-06-04 11:15:32] [INFO ] Flatten gal took : 244 ms
[2020-06-04 11:15:32] [INFO ] Decomposing Gal with order
[2020-06-04 11:15:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-06-04 11:15:33] [INFO ] Removed a total of 2933 redundant transitions.
[2020-06-04 11:15:33] [INFO ] Flatten gal took : 562 ms
[2020-06-04 11:15:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 4592 labels/synchronizations in 221 ms.
[2020-06-04 11:15:34] [INFO ] Export to MCC properties in file /home/mcc/execution/LTLCardinality.sr.xml took 5 ms.
[2020-06-04 11:15:34] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 49 ms.
info: Time: 3600 - MCC
vrfy: Checking LTLCardinality @ ASLink-PT-08b @ 3570 seconds

FORMULA ASLink-PT-08b-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ASLink-PT-08b-01 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ASLink-PT-08b-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ASLink-PT-08b-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ASLink-PT-08b-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ASLink-PT-08b-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ASLink-PT-08b-03 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ASLink-PT-08b-04 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ASLink-PT-08b-05 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16427332 kB
MemFree: 13765872 kB
After kill :
MemTotal: 16427332 kB
MemFree: 16141656 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="ASLink-PT-08b"
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 ASLink-PT-08b, 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 r166-smll-158987787300129"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-08b.tgz
mv ASLink-PT-08b 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 ;