About the Execution of 2021-gold for DBSingleClientW-PT-d0m08
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
334.243 | 15587.00 | 20913.00 | 298.20 | TFTTFFFTTTTTTFTF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2022-input.r323-tall-165472292600062.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2021
Input is DBSingleClientW-PT-d0m08, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r323-tall-165472292600062
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 6.0K Jun 7 17:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Jun 7 17:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Jun 7 17:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Jun 7 17:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Jun 6 15:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Jun 6 15:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Jun 6 15:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 15:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 6 12:11 NewModel
-rw-r--r-- 1 mcc users 8.8K Jun 7 17:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 92K Jun 7 17:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Jun 7 17:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K Jun 7 17:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Jun 6 15:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Jun 6 15:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 equiv_col
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 instance
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 iscolored
-rw-r--r-- 1 mcc users 119K Jun 6 12:11 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 DBSingleClientW-PT-d0m08-ReachabilityCardinality-00
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-01
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-02
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-03
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-04
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-05
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-06
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-07
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-08
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-09
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-10
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-11
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-12
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-13
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-14
FORMULA_NAME DBSingleClientW-PT-d0m08-ReachabilityCardinality-15
=== Now, execution of the tool begins
BK_START 1654744993033
Running Version 0
[2022-06-09 03:23:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-06-09 03:23:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-09 03:23:14] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2022-06-09 03:23:14] [INFO ] Transformed 553 places.
[2022-06-09 03:23:14] [INFO ] Transformed 150 transitions.
[2022-06-09 03:23:14] [INFO ] Parsed PT model containing 553 places and 150 transitions in 95 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 131 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 444 places in 2 ms
Reduce places removed 444 places and 0 transitions.
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2330 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 1056 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 1049 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 1036 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 1004 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 4) seen :0
Probabilistic random walk after 10000000 steps, saw 3370766 distinct states, run finished after 11250 ms. (steps per millisecond=888 ) properties seen :{}
Running SMT prover for 4 properties.
// Phase 1: matrix 150 rows 109 cols
[2022-06-09 03:23:26] [INFO ] Computed 6 place invariants in 16 ms
[2022-06-09 03:23:26] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2022-06-09 03:23:26] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned unsat
[2022-06-09 03:23:26] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2022-06-09 03:23:26] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2022-06-09 03:23:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-09 03:23:26] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2022-06-09 03:23:26] [INFO ] Solution in real domain found non-integer solution.
[2022-06-09 03:23:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2022-06-09 03:23:26] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2022-06-09 03:23:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-06-09 03:23:26] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2022-06-09 03:23:26] [INFO ] State equation strengthened by 74 read => feed constraints.
[2022-06-09 03:23:26] [INFO ] [Nat]Added 74 Read/Feed constraints in 20 ms returned sat
[2022-06-09 03:23:26] [INFO ] Deduced a trap composed of 17 places in 87 ms of which 7 ms to minimize.
[2022-06-09 03:23:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 128 ms
[2022-06-09 03:23:26] [INFO ] Computed and/alt/rep : 39/69/39 causal constraints (skipped 110 transitions) in 16 ms.
[2022-06-09 03:23:26] [INFO ] Added : 34 causal constraints over 7 iterations in 124 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 3 ms.
[2022-06-09 03:23:26] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2022-06-09 03:23:26] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned unsat
[2022-06-09 03:23:26] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2022-06-09 03:23:26] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned unsat
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-13 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-11 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 4 Parikh solutions to 1 different solutions.
Incomplete Parikh walk after 28600 steps, including 6203 resets, run finished after 59 ms. (steps per millisecond=484 ) properties (out of 1) seen :0 could not realise parikh vector
Support contains 3 out of 109 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 109/109 places, 150/150 transitions.
Graph (complete) has 332 edges and 109 vertex of which 101 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 101 transition count 137
Discarding 24 places :
Symmetric choice reduction at 1 with 24 rule applications. Total rules 38 place count 77 transition count 95
Iterating global reduction 1 with 24 rules applied. Total rules applied 62 place count 77 transition count 95
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 63 place count 77 transition count 94
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 75 place count 65 transition count 82
Iterating global reduction 2 with 12 rules applied. Total rules applied 87 place count 65 transition count 82
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 89 place count 65 transition count 80
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 92 place count 62 transition count 74
Iterating global reduction 3 with 3 rules applied. Total rules applied 95 place count 62 transition count 74
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 96 place count 62 transition count 73
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 98 place count 60 transition count 70
Iterating global reduction 4 with 2 rules applied. Total rules applied 100 place count 60 transition count 70
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 102 place count 58 transition count 68
Iterating global reduction 4 with 2 rules applied. Total rules applied 104 place count 58 transition count 68
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 106 place count 58 transition count 66
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 107 place count 57 transition count 65
Iterating global reduction 5 with 1 rules applied. Total rules applied 108 place count 57 transition count 65
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 110 place count 57 transition count 63
Applied a total of 110 rules in 43 ms. Remains 57 /109 variables (removed 52) and now considering 63/150 (removed 87) transitions.
Finished structural reductions, in 1 iterations. Remains : 57/109 places, 63/150 transitions.
[2022-06-09 03:23:27] [INFO ] Flatten gal took : 29 ms
[2022-06-09 03:23:27] [INFO ] Flatten gal took : 9 ms
[2022-06-09 03:23:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1440159688893488127.gal : 6 ms
[2022-06-09 03:23:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9467735241187498230.prop : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality1440159688893488127.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality9467735241187498230.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]
its-reach command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality1440159688893488127.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality9467735241187498230.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityCardinality9467735241187498230.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :7 after 22
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :22 after 48
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :48 after 98
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :98 after 204
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :204 after 444
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :444 after 1140
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1140 after 7236
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :7236 after 33650
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :33650 after 121354
Invariant property DBSingleClientW-PT-d0m08-ReachabilityCardinality-05 does not hold.
FORMULA DBSingleClientW-PT-d0m08-ReachabilityCardinality-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 2049 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,440716,0.371096,16728,2,6048,16,53244,6,0,293,44571,0
Total reachable state count : 440716
Verifying 1 reachability properties.
Invariant property DBSingleClientW-PT-d0m08-ReachabilityCardinality-05 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d0m08-ReachabilityCardinality-05,152,0.382934,16728,2,276,16,53244,7,0,302,44571,0
All properties solved without resorting to model-checking.
BK_STOP 1654745008620
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m
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="DBSingleClientW-PT-d0m08"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="gold2021"
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 gold2021"
echo " Input is DBSingleClientW-PT-d0m08, 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 r323-tall-165472292600062"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m08.tgz
mv DBSingleClientW-PT-d0m08 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 ;