fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r500-smll-171649587800271
Last Updated
July 7, 2024

About the Execution of LTSMin+red for HypercubeGrid-PT-C4K3P3B12

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
688.075 31643.00 69257.00 305.90 FTTTFTFFTTTTFTFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r500-smll-171649587800271.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is HypercubeGrid-PT-C4K3P3B12, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r500-smll-171649587800271
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.4M
-rw-r--r-- 1 mcc users 9.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K May 19 07:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 19 16:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K May 19 07:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.5K Apr 11 21:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 63K Apr 11 21:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K Apr 11 19:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K Apr 11 19:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 19 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 19 15:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rwxr-xr-x 1 mcc users 3.0M May 18 16:42 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 HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-00
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-01
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-02
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-03
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-04
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-05
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-06
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-07
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-08
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-09
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-10
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-11
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-12
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-13
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-14
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1717268959153

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HypercubeGrid-PT-C4K3P3B12
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 19:09:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 19:09:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 19:09:22] [INFO ] Load time of PNML (sax parser for PT used): 876 ms
[2024-06-01 19:09:22] [INFO ] Transformed 2457 places.
[2024-06-01 19:09:22] [INFO ] Transformed 5400 transitions.
[2024-06-01 19:09:22] [INFO ] Parsed PT model containing 2457 places and 5400 transitions and 21600 arcs in 1182 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 28 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 12323 ms. (3 steps per ms) remains 3/16 properties
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 1544 ms. (25 steps per ms) remains 2/3 properties
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 2919 ms. (13 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1674 ms. (23 steps per ms) remains 2/2 properties
// Phase 1: matrix 5400 rows 2457 cols
[2024-06-01 19:09:28] [INFO ] Computed 946 invariants in 374 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 1316/1471 variables, 148/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1471 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 978/2449 variables, 796/945 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2449 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/2457 variables, 1/946 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2457 variables, 0/946 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 5400/7857 variables, 2457/3403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/7857 variables, 0/3403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/7857 variables, 0/3403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7857/7857 variables, and 3403 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4464 ms.
Refiners :[Positive P Invariants (semi-flows): 945/945 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 2457/2457 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 1316/1471 variables, 148/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1471 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 978/2449 variables, 796/945 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2449 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/2457 variables, 1/946 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2457 variables, 0/946 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 5400/7857 variables, 2457/3403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/7857 variables, 0/3403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/7857 variables, 0/3403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
After SMT solving in domain Int declared 7857/7857 variables, and 3403 constraints, problems are : Problem set: 0 solved, 2 unsolved in 5030 ms.
Refiners :[Positive P Invariants (semi-flows): 945/945 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 2457/2457 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 10536ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 155 out of 2457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 696 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 729 ms. Remains : 2457/2457 places, 5400/5400 transitions.
RANDOM walk for 40000 steps (8 resets) in 9634 ms. (4 steps per ms) remains 1/2 properties
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 2096 ms. (19 steps per ms) remains 1/1 properties
[2024-06-01 19:09:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1146/1212 variables, 65/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1212 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1237/2449 variables, 880/945 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2449 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/2457 variables, 1/946 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2457 variables, 0/946 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5400/7857 variables, 2457/3403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/7857 variables, 0/3403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/7857 variables, 0/3403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7857/7857 variables, and 3403 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3767 ms.
Refiners :[Positive P Invariants (semi-flows): 945/945 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 2457/2457 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1146/1212 variables, 65/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1212 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1237/2449 variables, 880/945 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2449 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/2457 variables, 1/946 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2457 variables, 0/946 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5400/7857 variables, 2457/3403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/7857 variables, 0/3403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/7857 variables, 0/3403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7857/7857 variables, and 3403 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4064 ms.
Refiners :[Positive P Invariants (semi-flows): 945/945 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 2457/2457 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 7954ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1497 steps, including 0 resets, run visited all 1 properties in 306 ms. (steps per millisecond=4 )
FORMULA HypercubeGrid-PT-C4K3P3B12-ReachabilityFireability-2024-09 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 334 ms.
All properties solved without resorting to model-checking.
Total runtime 29061 ms.
ITS solved all properties within timeout

BK_STOP 1717268990796

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML

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="HypercubeGrid-PT-C4K3P3B12"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is HypercubeGrid-PT-C4K3P3B12, 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 r500-smll-171649587800271"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HypercubeGrid-PT-C4K3P3B12.tgz
mv HypercubeGrid-PT-C4K3P3B12 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 ;