About the Execution of 2020-gold for SmartHome-PT-08
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
258.147 | 3600000.00 | 17979.00 | 250.30 | FFFTFTFFFFFFFTFT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2021-input.r265-tall-162106800300107.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is SmartHome-PT-08, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r265-tall-162106800300107
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 424K
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 105K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 95K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.2K Mar 28 16:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 28 16:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Mar 28 16:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Mar 27 13:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Mar 27 13:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 25 19:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 11K Mar 25 19:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 22 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 3 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 64K May 5 16:52 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 SmartHome-PT-08-ReachabilityCardinality-00
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-01
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-02
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-03
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-04
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-05
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-06
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-07
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-08
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-09
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-10
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-11
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-12
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-13
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-14
FORMULA_NAME SmartHome-PT-08-ReachabilityCardinality-15
=== Now, execution of the tool begins
BK_START 1621197855999
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-16 20:44:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2021-05-16 20:44:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-16 20:44:17] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2021-05-16 20:44:17] [INFO ] Transformed 252 places.
[2021-05-16 20:44:17] [INFO ] Transformed 291 transitions.
[2021-05-16 20:44:17] [INFO ] Found NUPN structural information;
[2021-05-16 20:44:17] [INFO ] Parsed PT model containing 252 places and 291 transitions in 96 ms.
Deduced a syphon composed of 20 places in 5 ms
Reduce places removed 20 places and 21 transitions.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 36 ms.
Working with output stream class java.io.PrintStream
FORMULA SmartHome-PT-08-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmartHome-PT-08-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmartHome-PT-08-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmartHome-PT-08-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmartHome-PT-08-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmartHome-PT-08-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmartHome-PT-08-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 63 resets, run finished after 54 ms. (steps per millisecond=185 ) properties seen :[1, 0, 1, 0, 0, 1, 0, 0, 1]
FORMULA SmartHome-PT-08-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SmartHome-PT-08-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SmartHome-PT-08-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SmartHome-PT-08-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 15 ms. (steps per millisecond=666 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 12 ms. (steps per millisecond=833 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 17 ms. (steps per millisecond=588 ) properties seen :[0, 0, 0, 0, 0]
// Phase 1: matrix 270 rows 232 cols
[2021-05-16 20:44:17] [INFO ] Computed 11 place invariants in 10 ms
[2021-05-16 20:44:17] [INFO ] [Real]Absence check using 11 positive place invariants in 19 ms returned sat
[2021-05-16 20:44:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-16 20:44:18] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2021-05-16 20:44:18] [INFO ] Solution in real domain found non-integer solution.
[2021-05-16 20:44:18] [INFO ] [Nat]Absence check using 11 positive place invariants in 476 ms returned sat
[2021-05-16 20:44:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-16 20:44:18] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2021-05-16 20:44:18] [INFO ] Deduced a trap composed of 27 places in 100 ms
[2021-05-16 20:44:19] [INFO ] Deduced a trap composed of 50 places in 62 ms
[2021-05-16 20:44:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 198 ms
[2021-05-16 20:44:19] [INFO ] Computed and/alt/rep : 269/819/269 causal constraints in 22 ms.
[2021-05-16 20:44:19] [INFO ] Added : 265 causal constraints over 53 iterations in 870 ms. Result :sat
[2021-05-16 20:44:19] [INFO ] Deduced a trap composed of 46 places in 52 ms
[2021-05-16 20:44:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 116 ms
Attempting to minimize the solution found.
Minimization took 14 ms.
[2021-05-16 20:44:20] [INFO ] [Real]Absence check using 11 positive place invariants in 14 ms returned sat
[2021-05-16 20:44:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-16 20:44:20] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2021-05-16 20:44:20] [INFO ] Solution in real domain found non-integer solution.
[2021-05-16 20:44:20] [INFO ] [Nat]Absence check using 11 positive place invariants in 21 ms returned unsat
[2021-05-16 20:44:20] [INFO ] [Real]Absence check using 11 positive place invariants in 11 ms returned sat
[2021-05-16 20:44:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-16 20:44:20] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2021-05-16 20:44:20] [INFO ] Solution in real domain found non-integer solution.
[2021-05-16 20:44:20] [INFO ] [Nat]Absence check using 11 positive place invariants in 121 ms returned sat
[2021-05-16 20:44:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-16 20:44:20] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2021-05-16 20:44:20] [INFO ] Deduced a trap composed of 36 places in 68 ms
[2021-05-16 20:44:21] [INFO ] Deduced a trap composed of 52 places in 70 ms
[2021-05-16 20:44:21] [INFO ] Deduced a trap composed of 50 places in 69 ms
[2021-05-16 20:44:21] [INFO ] Deduced a trap composed of 69 places in 51 ms
[2021-05-16 20:44:21] [INFO ] Deduced a trap composed of 50 places in 38 ms
[2021-05-16 20:44:21] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 349 ms
[2021-05-16 20:44:21] [INFO ] Computed and/alt/rep : 269/819/269 causal constraints in 18 ms.
[2021-05-16 20:44:22] [INFO ] Added : 269 causal constraints over 54 iterations in 860 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 15 ms.
[2021-05-16 20:44:22] [INFO ] [Real]Absence check using 11 positive place invariants in 12 ms returned sat
[2021-05-16 20:44:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-16 20:44:22] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2021-05-16 20:44:22] [INFO ] Solution in real domain found non-integer solution.
[2021-05-16 20:44:22] [INFO ] [Nat]Absence check using 11 positive place invariants in 32 ms returned unsat
[2021-05-16 20:44:22] [INFO ] [Real]Absence check using 11 positive place invariants in 10 ms returned sat
[2021-05-16 20:44:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-16 20:44:22] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2021-05-16 20:44:22] [INFO ] Solution in real domain found non-integer solution.
[2021-05-16 20:44:22] [INFO ] [Nat]Absence check using 11 positive place invariants in 149 ms returned sat
[2021-05-16 20:44:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-16 20:44:22] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2021-05-16 20:44:22] [INFO ] Computed and/alt/rep : 269/819/269 causal constraints in 17 ms.
[2021-05-16 20:44:23] [INFO ] Added : 269 causal constraints over 54 iterations in 838 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 16 ms.
FORMULA SmartHome-PT-08-ReachabilityCardinality-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SmartHome-PT-08-ReachabilityCardinality-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Incomplete Parikh walk after 31700 steps, including 318 resets, run finished after 129 ms. (steps per millisecond=245 ) properties seen :[1, 0, 1] could not realise parikh vector
FORMULA SmartHome-PT-08-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA SmartHome-PT-08-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Incomplete Parikh walk after 31200 steps, including 276 resets, run finished after 69 ms. (steps per millisecond=452 ) properties seen :[0] could not realise parikh vector
Incomplete Parikh walk after 26200 steps, including 339 resets, run finished after 58 ms. (steps per millisecond=451 ) properties seen :[0] could not realise parikh vector
Support contains 6 out of 232 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 232/232 places, 270/270 transitions.
Graph (trivial) has 220 edges and 232 vertex of which 79 / 232 are part of one of the 6 SCC in 3 ms
Free SCC test removed 73 places
Drop transitions removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 64
Iterating post reduction 0 with 160 rules applied. Total rules applied 161 place count 159 transition count 110
Reduce places removed 64 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 1 with 75 rules applied. Total rules applied 236 place count 95 transition count 99
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 241 place count 90 transition count 99
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 241 place count 90 transition count 95
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 249 place count 86 transition count 95
Symmetric choice reduction at 3 with 32 rule applications. Total rules 281 place count 86 transition count 95
Deduced a syphon composed of 32 places in 0 ms
Reduce places removed 32 places and 32 transitions.
Iterating global reduction 3 with 64 rules applied. Total rules applied 345 place count 54 transition count 63
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 351 place count 54 transition count 57
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 3 Pre rules applied. Total rules applied 351 place count 54 transition count 54
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 357 place count 51 transition count 54
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 4 with 26 rules applied. Total rules applied 383 place count 38 transition count 41
Drop transitions removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Discarding 2 places :
Also discarding 0 output transitions
Graph (complete) has 105 edges and 38 vertex of which 36 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Iterating post reduction 4 with 11 rules applied. Total rules applied 394 place count 36 transition count 31
Free-agglomeration rule applied 5 times.
Iterating global reduction 5 with 5 rules applied. Total rules applied 399 place count 36 transition count 26
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 404 place count 31 transition count 26
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 405 place count 31 transition count 26
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 406 place count 31 transition count 25
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 407 place count 30 transition count 24
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 7 with 3 rules applied. Total rules applied 410 place count 29 transition count 22
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 412 place count 27 transition count 22
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 1 Pre rules applied. Total rules applied 412 place count 27 transition count 21
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 414 place count 26 transition count 21
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 416 place count 25 transition count 20
Applied a total of 416 rules in 46 ms. Remains 25 /232 variables (removed 207) and now considering 20/270 (removed 250) transitions.
Finished structural reductions, in 1 iterations. Remains : 25/232 places, 20/270 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 1289 ms. (steps per millisecond=775 ) properties seen :[0]
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 891 ms. (steps per millisecond=1122 ) properties seen :[0]
Finished probabilistic random walk after 71 steps, run visited all 1 properties in 7 ms. (steps per millisecond=10 )
Probabilistic random walk after 71 steps, saw 20 distinct states, run finished after 8 ms. (steps per millisecond=8 ) properties seen :[1]
FORMULA SmartHome-PT-08-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
All properties solved without resorting to model-checking.
--------------------
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="SmartHome-PT-08"
export BK_EXAMINATION="ReachabilityCardinality"
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 SmartHome-PT-08, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r265-tall-162106800300107"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SmartHome-PT-08.tgz
mv SmartHome-PT-08 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;