fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r189-tajo-162089432500070
Last Updated
Jun 28, 2021

About the Execution of 2020-gold for RERS17pb113-PT-3

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
6027.296 3600000.00 3645269.00 612.40 ?FFFFFT?FT?FFFF? 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/mcc2021-input.r189-tajo-162089432500070.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2021-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 gold2020
Input is RERS17pb113-PT-3, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r189-tajo-162089432500070
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 13K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 123K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 21K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 108K May 10 09:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Mar 28 16:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 28 16:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 28 16:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.1K Mar 27 10:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 15K Mar 27 10:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 25 13:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 12K Mar 25 13:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 22 08:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 22 08:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 2 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 15M May 5 16:51 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 RERS17pb113-PT-3-00
FORMULA_NAME RERS17pb113-PT-3-01
FORMULA_NAME RERS17pb113-PT-3-02
FORMULA_NAME RERS17pb113-PT-3-03
FORMULA_NAME RERS17pb113-PT-3-04
FORMULA_NAME RERS17pb113-PT-3-05
FORMULA_NAME RERS17pb113-PT-3-06
FORMULA_NAME RERS17pb113-PT-3-07
FORMULA_NAME RERS17pb113-PT-3-08
FORMULA_NAME RERS17pb113-PT-3-09
FORMULA_NAME RERS17pb113-PT-3-10
FORMULA_NAME RERS17pb113-PT-3-11
FORMULA_NAME RERS17pb113-PT-3-12
FORMULA_NAME RERS17pb113-PT-3-13
FORMULA_NAME RERS17pb113-PT-3-14
FORMULA_NAME RERS17pb113-PT-3-15

=== Now, execution of the tool begins

BK_START 1621412403446

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-19 08:20:05] [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]
[2021-05-19 08:20:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-19 08:20:05] [INFO ] Load time of PNML (sax parser for PT used): 592 ms
[2021-05-19 08:20:05] [INFO ] Transformed 639 places.
[2021-05-19 08:20:05] [INFO ] Transformed 31353 transitions.
[2021-05-19 08:20:05] [INFO ] Parsed PT model containing 639 places and 31353 transitions in 820 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 325 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 100000 steps, including 0 resets, run finished after 3485 ms. (steps per millisecond=28 ) properties seen :[0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1]
[2021-05-19 08:20:09] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 639 cols
[2021-05-19 08:20:10] [INFO ] Computed 25 place invariants in 125 ms
[2021-05-19 08:20:10] [INFO ] [Real]Absence check using 13 positive place invariants in 34 ms returned sat
[2021-05-19 08:20:10] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2021-05-19 08:20:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:20:30] [INFO ] [Real]Absence check using state equation in 19783 ms returned (error "Solver has unexpectedly terminated")
[2021-05-19 08:20:30] [INFO ] [Real]Absence check using 13 positive place invariants in 25 ms returned sat
[2021-05-19 08:20:30] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2021-05-19 08:20:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:20:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:20:50] [INFO ] [Real]Absence check using state equation in 19890 ms returned unknown
[2021-05-19 08:20:50] [INFO ] [Real]Absence check using 13 positive place invariants in 25 ms returned sat
[2021-05-19 08:20:50] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 9 ms returned sat
[2021-05-19 08:20:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:21:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:21:10] [INFO ] [Real]Absence check using state equation in 19917 ms returned (error "Failed to check-sat")
[2021-05-19 08:21:10] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2021-05-19 08:21:10] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 6 ms returned sat
[2021-05-19 08:21:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:21:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:21:30] [INFO ] [Real]Absence check using state equation in 19928 ms returned (error "Failed to check-sat")
[2021-05-19 08:21:30] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2021-05-19 08:21:30] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2021-05-19 08:21:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:21:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:21:50] [INFO ] [Real]Absence check using state equation in 19950 ms returned (error "Failed to check-sat")
[2021-05-19 08:21:50] [INFO ] [Real]Absence check using 13 positive place invariants in 20 ms returned sat
[2021-05-19 08:21:50] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2021-05-19 08:21:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:22:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:22:10] [INFO ] [Real]Absence check using state equation in 19920 ms returned unknown
[2021-05-19 08:22:10] [INFO ] [Real]Absence check using 13 positive place invariants in 26 ms returned sat
[2021-05-19 08:22:10] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2021-05-19 08:22:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:22:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:22:30] [INFO ] [Real]Absence check using state equation in 19918 ms returned (error "Failed to check-sat")
[2021-05-19 08:22:30] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2021-05-19 08:22:30] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2021-05-19 08:22:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:22:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:22:50] [INFO ] [Real]Absence check using state equation in 19945 ms returned (error "Failed to check-sat")
[2021-05-19 08:22:50] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2021-05-19 08:22:50] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 6 ms returned sat
[2021-05-19 08:22:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:23:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:23:10] [INFO ] [Real]Absence check using state equation in 19873 ms returned (error "Failed to check-sat")
[2021-05-19 08:23:10] [INFO ] [Real]Absence check using 13 positive place invariants in 22 ms returned sat
[2021-05-19 08:23:10] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2021-05-19 08:23:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:23:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:23:30] [INFO ] [Real]Absence check using state equation in 19887 ms returned unknown
[2021-05-19 08:23:30] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2021-05-19 08:23:30] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 20 ms returned sat
[2021-05-19 08:23:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:23:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:23:50] [INFO ] [Real]Absence check using state equation in 19879 ms returned (error "Failed to check-sat")
[2021-05-19 08:23:50] [INFO ] [Real]Absence check using 13 positive place invariants in 24 ms returned sat
[2021-05-19 08:23:50] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 7 ms returned sat
[2021-05-19 08:23:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:24:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:24:10] [INFO ] [Real]Absence check using state equation in 19913 ms returned (error "Failed to check-sat")
[2021-05-19 08:24:10] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2021-05-19 08:24:10] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2021-05-19 08:24:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:24:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:24:30] [INFO ] [Real]Absence check using state equation in 19924 ms returned (error "Failed to check-sat")
[2021-05-19 08:24:30] [INFO ] [Real]Absence check using 13 positive place invariants in 24 ms returned sat
[2021-05-19 08:24:30] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2021-05-19 08:24:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:24:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:24:50] [INFO ] [Real]Absence check using state equation in 19937 ms returned (error "Failed to check-sat")
[2021-05-19 08:24:50] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2021-05-19 08:24:50] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2021-05-19 08:24:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:25:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:25:10] [INFO ] [Real]Absence check using state equation in 19919 ms returned unknown
[2021-05-19 08:25:10] [INFO ] [Real]Absence check using 13 positive place invariants in 33 ms returned sat
[2021-05-19 08:25:10] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2021-05-19 08:25:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:25:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:25:30] [INFO ] [Real]Absence check using state equation in 19930 ms returned (error "Failed to check-sat")
[2021-05-19 08:25:30] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2021-05-19 08:25:30] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2021-05-19 08:25:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:25:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:25:50] [INFO ] [Real]Absence check using state equation in 19936 ms returned (error "Failed to check-sat")
[2021-05-19 08:25:50] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2021-05-19 08:25:50] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2021-05-19 08:25:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:26:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:26:10] [INFO ] [Real]Absence check using state equation in 19937 ms returned (error "Failed to check-sat")
[2021-05-19 08:26:10] [INFO ] [Real]Absence check using 13 positive place invariants in 20 ms returned sat
[2021-05-19 08:26:10] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2021-05-19 08:26:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:26:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:26:30] [INFO ] [Real]Absence check using state equation in 19897 ms returned (error "Failed to check-sat")
[2021-05-19 08:26:30] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned unsat
[2021-05-19 08:26:30] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2021-05-19 08:26:30] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 6 ms returned sat
[2021-05-19 08:26:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:26:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:26:50] [INFO ] [Real]Absence check using state equation in 19897 ms returned unknown
Successfully simplified 1 atomic propositions for a total of 1 simplifications.
[2021-05-19 08:26:52] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2021-05-19 08:26:52] [INFO ] Flatten gal took : 1557 ms
FORMULA RERS17pb113-PT-3-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb113-PT-3-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb113-PT-3-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb113-PT-3-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-19 08:26:53] [INFO ] Flatten gal took : 944 ms
[2021-05-19 08:26:54] [INFO ] Export to MCC properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2021-05-19 08:26:54] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 129 ms.
info: Time: 3600 - MCC
vrfy: Checking LTLFireability @ RERS17pb113-PT-3 @ 3570 seconds

FORMULA RERS17pb113-PT-3-01 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RERS17pb113-PT-3-02 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RERS17pb113-PT-3-05 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RERS17pb113-PT-3-09 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RERS17pb113-PT-3-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RERS17pb113-PT-3-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RERS17pb113-PT-3-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RERS17pb113-PT-3-14 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: 14264020 kB
After kill :
MemTotal: 16427456 kB
MemFree: 16098180 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="RERS17pb113-PT-3"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="gold2020"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 2-4028"
echo " Executing tool gold2020"
echo " Input is RERS17pb113-PT-3, 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 r189-tajo-162089432500070"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-3.tgz
mv RERS17pb113-PT-3 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 ;