fond
Model Checking Contest 2020
10th edition, Paris, France, June 23, 2020
Execution of r210-tajo-159033476300807
Last Updated
Jun 28, 2020

About the Execution of ITS-Tools for ShieldRVs-PT-004B

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15740.990 10604.00 19660.00 91.50 TFTTTFTTTTTFFFTT 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.r210-tajo-159033476300807.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 itstools
Input is ShieldRVs-PT-004B, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-tajo-159033476300807
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 224K
-rw-r--r-- 1 mcc users 3.2K May 14 02:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K May 14 02:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 13 19:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 13 19:40 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K May 14 10:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 14 10:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K May 14 10:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 14 10:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 12 20:42 NewModel
-rw-r--r-- 1 mcc users 3.1K May 13 14:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 15K May 13 14:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 13 09:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 18K May 13 09:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 13 16:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 13 16:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 12 20:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 12 20:42 instance
-rw-r--r-- 1 mcc users 6 May 12 20:42 iscolored
-rw-r--r-- 1 mcc users 49K May 12 20:42 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 ShieldRVs-PT-004B-ReachabilityFireability-00
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-01
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-02
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-03
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-04
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-05
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-06
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-07
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-08
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-09
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-10
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-11
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-12
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-13
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-14
FORMULA_NAME ShieldRVs-PT-004B-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1590619468787

[2020-05-27 22:44:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2020-05-27 22:44:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-27 22:44:31] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2020-05-27 22:44:31] [INFO ] Transformed 163 places.
[2020-05-27 22:44:31] [INFO ] Transformed 183 transitions.
[2020-05-27 22:44:31] [INFO ] Found NUPN structural information;
[2020-05-27 22:44:31] [INFO ] Parsed PT model containing 163 places and 183 transitions in 98 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 39 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 52 resets, run finished after 91 ms. (steps per millisecond=109 ) properties seen :[0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1]
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 36 ms. (steps per millisecond=277 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 25 ms. (steps per millisecond=400 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 26 ms. (steps per millisecond=384 ) properties seen :[0, 0, 1, 0, 0, 0, 0]
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 20 ms. (steps per millisecond=500 ) properties seen :[0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 17 ms. (steps per millisecond=588 ) properties seen :[0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 22 ms. (steps per millisecond=454 ) properties seen :[0, 0, 0, 0, 1, 0]
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties seen :[0, 0, 0, 0, 0]
// Phase 1: matrix 183 rows 163 cols
[2020-05-27 22:44:31] [INFO ] Computed 17 place invariants in 19 ms
[2020-05-27 22:44:31] [INFO ] [Real]Absence check using 17 positive place invariants in 22 ms returned unsat
[2020-05-27 22:44:31] [INFO ] [Real]Absence check using 17 positive place invariants in 7 ms returned unsat
[2020-05-27 22:44:31] [INFO ] [Real]Absence check using 17 positive place invariants in 10 ms returned sat
[2020-05-27 22:44:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-27 22:44:32] [INFO ] [Real]Absence check using state equation in 115 ms returned sat
[2020-05-27 22:44:32] [INFO ] Deduced a trap composed of 29 places in 114 ms
[2020-05-27 22:44:32] [INFO ] Deduced a trap composed of 25 places in 217 ms
[2020-05-27 22:44:32] [INFO ] Deduced a trap composed of 27 places in 61 ms
[2020-05-27 22:44:32] [INFO ] Deduced a trap composed of 24 places in 47 ms
[2020-05-27 22:44:32] [INFO ] Deduced a trap composed of 39 places in 40 ms
[2020-05-27 22:44:32] [INFO ] Deduced a trap composed of 26 places in 50 ms
[2020-05-27 22:44:32] [INFO ] Deduced a trap composed of 30 places in 60 ms
[2020-05-27 22:44:32] [INFO ] Deduced a trap composed of 30 places in 51 ms
[2020-05-27 22:44:32] [INFO ] Deduced a trap composed of 36 places in 47 ms
[2020-05-27 22:44:32] [INFO ] Deduced a trap composed of 30 places in 38 ms
[2020-05-27 22:44:32] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 883 ms
[2020-05-27 22:44:32] [INFO ] Solution in real domain found non-integer solution.
[2020-05-27 22:44:33] [INFO ] [Nat]Absence check using 17 positive place invariants in 42 ms returned sat
[2020-05-27 22:44:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-27 22:44:33] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2020-05-27 22:44:34] [INFO ] Deduced a trap composed of 20 places in 1577 ms
[2020-05-27 22:44:34] [INFO ] Deduced a trap composed of 21 places in 66 ms
[2020-05-27 22:44:34] [INFO ] Deduced a trap composed of 20 places in 47 ms
[2020-05-27 22:44:34] [INFO ] Deduced a trap composed of 31 places in 44 ms
[2020-05-27 22:44:35] [INFO ] Deduced a trap composed of 29 places in 43 ms
[2020-05-27 22:44:35] [INFO ] Deduced a trap composed of 26 places in 43 ms
[2020-05-27 22:44:35] [INFO ] Deduced a trap composed of 36 places in 61 ms
[2020-05-27 22:44:35] [INFO ] Deduced a trap composed of 30 places in 27 ms
[2020-05-27 22:44:35] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 2041 ms
[2020-05-27 22:44:35] [INFO ] Computed and/alt/rep : 182/515/182 causal constraints in 14 ms.
[2020-05-27 22:44:36] [INFO ] Added : 182 causal constraints over 38 iterations in 906 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 21 ms.
[2020-05-27 22:44:36] [INFO ] [Real]Absence check using 17 positive place invariants in 12 ms returned unsat
[2020-05-27 22:44:36] [INFO ] [Real]Absence check using 17 positive place invariants in 13 ms returned sat
[2020-05-27 22:44:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-27 22:44:36] [INFO ] [Real]Absence check using state equation in 115 ms returned sat
[2020-05-27 22:44:36] [INFO ] Deduced a trap composed of 14 places in 68 ms
[2020-05-27 22:44:36] [INFO ] Deduced a trap composed of 21 places in 69 ms
[2020-05-27 22:44:36] [INFO ] Deduced a trap composed of 21 places in 40 ms
[2020-05-27 22:44:36] [INFO ] Deduced a trap composed of 23 places in 27 ms
[2020-05-27 22:44:36] [INFO ] Deduced a trap composed of 21 places in 26 ms
[2020-05-27 22:44:36] [INFO ] Deduced a trap composed of 22 places in 24 ms
[2020-05-27 22:44:36] [INFO ] Deduced a trap composed of 17 places in 27 ms
[2020-05-27 22:44:36] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 383 ms
[2020-05-27 22:44:36] [INFO ] Solution in real domain found non-integer solution.
[2020-05-27 22:44:36] [INFO ] [Nat]Absence check using 17 positive place invariants in 25 ms returned sat
[2020-05-27 22:44:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-27 22:44:36] [INFO ] [Nat]Absence check using state equation in 118 ms returned sat
[2020-05-27 22:44:37] [INFO ] Deduced a trap composed of 21 places in 69 ms
[2020-05-27 22:44:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 86 ms
[2020-05-27 22:44:37] [INFO ] Computed and/alt/rep : 182/515/182 causal constraints in 16 ms.
[2020-05-27 22:44:37] [INFO ] Added : 182 causal constraints over 40 iterations in 886 ms. Result :sat
[2020-05-27 22:44:38] [INFO ] Deduced a trap composed of 32 places in 74 ms
[2020-05-27 22:44:38] [INFO ] Deduced a trap composed of 32 places in 72 ms
[2020-05-27 22:44:38] [INFO ] Deduced a trap composed of 17 places in 59 ms
[2020-05-27 22:44:38] [INFO ] Deduced a trap composed of 18 places in 55 ms
[2020-05-27 22:44:38] [INFO ] Deduced a trap composed of 28 places in 47 ms
[2020-05-27 22:44:38] [INFO ] Deduced a trap composed of 41 places in 60 ms
[2020-05-27 22:44:38] [INFO ] Deduced a trap composed of 38 places in 64 ms
[2020-05-27 22:44:38] [INFO ] Deduced a trap composed of 41 places in 63 ms
[2020-05-27 22:44:38] [INFO ] Deduced a trap composed of 17 places in 25 ms
[2020-05-27 22:44:38] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 820 ms
Attempting to minimize the solution found.
Minimization took 13 ms.
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-00 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Incomplete Parikh walk after 35900 steps, including 188 resets, run finished after 81 ms. (steps per millisecond=443 ) properties seen :[1, 0] could not realise parikh vector
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Incomplete Parikh walk after 17300 steps, including 137 resets, run finished after 26 ms. (steps per millisecond=665 ) properties seen :[0] could not realise parikh vector
Support contains 7 out of 163 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 163/163 places, 183/183 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 163 transition count 167
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 32 place count 147 transition count 167
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 32 place count 147 transition count 147
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 72 place count 127 transition count 147
Symmetric choice reduction at 2 with 24 rule applications. Total rules 96 place count 127 transition count 147
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 24 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 144 place count 103 transition count 123
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 144 place count 103 transition count 113
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 164 place count 93 transition count 113
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 222 place count 64 transition count 84
Partial Free-agglomeration rule applied 10 times.
Drop transitions removed 10 transitions
Iterating global reduction 2 with 10 rules applied. Total rules applied 232 place count 64 transition count 84
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 233 place count 63 transition count 83
Applied a total of 233 rules in 58 ms. Remains 63 /163 variables (removed 100) and now considering 83/183 (removed 100) transitions.
Finished structural reductions, in 1 iterations. Remains : 63/163 places, 83/183 transitions.
Finished random walk after 68379 steps, including 960 resets, run visited all 1 properties in 126 ms. (steps per millisecond=542 )
FORMULA ShieldRVs-PT-004B-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.

BK_STOP 1590619479391

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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-004B"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
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 itstools"
echo " Input is ShieldRVs-PT-004B, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r210-tajo-159033476300807"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVs-PT-004B.tgz
mv ShieldRVs-PT-004B execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;