About the Execution of Marcie for CryptoMiner-PT-D05N250
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
16224.243 | 1014808.00 | 985773.00 | 19287.50 | ????????FFFT??T? | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2023-input.r513-tall-167987240700185.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-5348
Executing tool marcie
Input is CryptoMiner-PT-D05N250, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 1
Run identifier is r513-tall-167987240700185
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 712K
-rw-r--r-- 1 mcc users 20K Mar 23 15:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 149K Mar 23 15:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 23 15:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 23 15:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K Mar 23 07:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 36K Mar 23 07:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Mar 23 07:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K Mar 23 07:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 24K Mar 23 15:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 172K Mar 23 15:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 19K Mar 23 15:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 141K Mar 23 15:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.3K Mar 23 07:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.2K Mar 23 07:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 8.1K Mar 26 22:42 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 CryptoMiner-PT-D05N250-CTLCardinality-00
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-01
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-02
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-03
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-04
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-05
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-06
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-07
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-08
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-09
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-10
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-11
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-12
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-13
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-14
FORMULA_NAME CryptoMiner-PT-D05N250-CTLCardinality-15
=== Now, execution of the tool begins
BK_START 1679884625669
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=marcie
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CryptoMiner-PT-D05N250
Not applying reductions.
Model is PT
CTLCardinality PT
timeout --kill-after=10s --signal=SIGINT 1m for testing only
Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets
authors: Alex Tovchigrechko (IDD package and CTL model checking)
Martin Schwarick (Symbolic numerical analysis and CSL model checking)
Christian Rohr (Simulative and approximative numerical model checking)
marcie@informatik.tu-cottbus.de
called as: /home/mcc/BenchKit/bin//../marcie/bin/marcie --net-file=model.pnml --mcc-file=CTLCardinality.xml --memory=6 --mcc-mode
parse successfull
net created successfully
Net: CryptoMinerB_COL_D5_N250
(NrP: 18 NrTr: 18 NrArc: 52)
parse formulas
formulas created successfully
place and transition orderings generation:0m 0.000sec
net check time: 0m 0.000sec
init dd package: 0m 2.838sec
RS generation: 0m 9.340sec
-> reachability set: #nodes 4356 (4.4e+03) #states 33,357,491,354,350,793 (16)
starting MCC model checker
--------------------------
checking: EF [[~ [capacity_c5<=capacity_c1] & ~ [resource_c3<=184]]]
normalized: E [true U [~ [capacity_c5<=capacity_c1] & ~ [resource_c3<=184]]]
abstracting: (resource_c3<=184)
states: 33,357,491,354,350,793 (16)
abstracting: (capacity_c5<=capacity_c1)
states: 17,023,236,521,365,393 (16)
-> the formula is FALSE
FORMULA CryptoMiner-PT-D05N250-CTLCardinality-10 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 2.255sec
checking: AX [~ [[~ [AX [capacity_c5<=resource_c3]] | AX [[~ [E [204<=resource_c4 U capacity_c0<=resource_c5]] & ~ [AG [state_c3<=185]]]]]]]
normalized: ~ [EX [[~ [EX [~ [[E [true U ~ [state_c3<=185]] & ~ [E [204<=resource_c4 U capacity_c0<=resource_c5]]]]]] | EX [~ [capacity_c5<=resource_c3]]]]]
abstracting: (capacity_c5<=resource_c3)
states: 8,860,779,951,987,468 (15)
.abstracting: (capacity_c0<=resource_c5)
states: 6,049,965,667,465,213 (15)
abstracting: (204<=resource_c4)
states: 0
abstracting: (state_c3<=185)
states: 33,357,491,354,350,793 (16)
..-> the formula is TRUE
FORMULA CryptoMiner-PT-D05N250-CTLCardinality-11 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m48.229sec
checking: E [[215<=capacity_c0 & resource_c1<=resource_c1] U [AX [[EF [[25<=capacity_c0 & capacity_c2<=220]] & ~ [AG [capacity_c3<=29]]]] & EG [~ [AG [~ [56<=state_c4]]]]]]
normalized: E [[215<=capacity_c0 & resource_c1<=resource_c1] U [EG [E [true U 56<=state_c4]] & ~ [EX [~ [[E [true U ~ [capacity_c3<=29]] & E [true U [25<=capacity_c0 & capacity_c2<=220]]]]]]]]
abstracting: (capacity_c2<=220)
states: 33,357,491,263,046,494 (16)
abstracting: (25<=capacity_c0)
states: 11,275,458,923,901,038 (16)
abstracting: (capacity_c3<=29)
states: 24,402,348,145,445,642 (16)
.abstracting: (56<=state_c4)
states: 0
.
EG iterations: 1
abstracting: (resource_c1<=resource_c1)
states: 33,357,491,354,350,793 (16)
abstracting: (215<=capacity_c0)
states: 383,882,049 (8)
-> the formula is FALSE
FORMULA CryptoMiner-PT-D05N250-CTLCardinality-08 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 7.974sec
checking: EG [AG [[AG [[[resource_c5<=183 & 50<=state_c5] & EF [resource_c0<=50]]] | [AX [[46<=capacity_c3 | resource_c5<=capacity_c1]] & AG [[state_c2<=118 | state_c4<=state_c0]]]]]]
normalized: EG [~ [E [true U ~ [[[~ [E [true U ~ [[state_c2<=118 | state_c4<=state_c0]]]] & ~ [EX [~ [[46<=capacity_c3 | resource_c5<=capacity_c1]]]]] | ~ [E [true U ~ [[E [true U resource_c0<=50] & [resource_c5<=183 & 50<=state_c5]]]]]]]]]]
abstracting: (50<=state_c5)
states: 0
abstracting: (resource_c5<=183)
states: 33,357,491,354,350,793 (16)
abstracting: (resource_c0<=50)
states: 33,357,491,354,350,793 (16)
abstracting: (resource_c5<=capacity_c1)
states: 28,458,810,292,910,614 (16)
abstracting: (46<=capacity_c3)
states: 4,139,947,253,283,668 (15)
.abstracting: (state_c4<=state_c0)
states: 30,063,910,990,713,294 (16)
abstracting: (state_c2<=118)
states: 33,357,491,354,350,793 (16)
.
EG iterations: 1
-> the formula is FALSE
FORMULA CryptoMiner-PT-D05N250-CTLCardinality-09 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m37.463sec
checking: AX [~ [AF [AG [AF [sum(state_c5, state_c4, state_c3, state_c2, state_c1, state_c0)<=sum(capacity_c5, capacity_c4, capacity_c3, capacity_c2, capacity_c1, capacity_c0)]]]]]
normalized: ~ [EX [~ [EG [E [true U EG [~ [sum(state_c5, state_c4, state_c3, state_c2, state_c1, state_c0)<=sum(capacity_c5, capacity_c4, capacity_c3, capacity_c2, capacity_c1, capacity_c0)]]]]]]]
abstracting: (sum(state_c5, state_c4, state_c3, state_c2, state_c1, state_c0)<=sum(capacity_c5, capacity_c4, capacity_c3, capacity_c2, capacity_c1, capacity_c0))
MC time: 4m52.013sec
checking: ~ [E [EG [[[EX [resource_c4<=120] | [~ [resource_c2<=resource_c2] | ~ [resource_c3<=state_c1]]] | AG [[capacity_c0<=capacity_c3 | state_c2<=state_c4]]]] U [~ [12<=capacity_c1] & [56<=resource_c5 & resource_c4<=103]]]]
normalized: ~ [E [EG [[~ [E [true U ~ [[capacity_c0<=capacity_c3 | state_c2<=state_c4]]]] | [[~ [resource_c3<=state_c1] | ~ [resource_c2<=resource_c2]] | EX [resource_c4<=120]]]] U [[56<=resource_c5 & resource_c4<=103] & ~ [12<=capacity_c1]]]]
abstracting: (12<=capacity_c1)
states: 20,085,329,548,727,180 (16)
abstracting: (resource_c4<=103)
states: 33,357,491,354,350,793 (16)
abstracting: (56<=resource_c5)
states: 0
abstracting: (resource_c4<=120)
states: 33,357,491,354,350,793 (16)
.abstracting: (resource_c2<=resource_c2)
states: 33,357,491,354,350,793 (16)
abstracting: (resource_c3<=state_c1)
states: 3,915,791,003,230,293 (15)
abstracting: (state_c2<=state_c4)
states: 33,281,294,217,526,296 (16)
abstracting: (capacity_c0<=capacity_c3)
states: 17,023,236,521,365,393 (16)
EG iterations: 0
-> the formula is TRUE
FORMULA CryptoMiner-PT-D05N250-CTLCardinality-14 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m15.168sec
checking: ~ [EG [[[158<=resource_c0 | E [[resource_c4<=state_c0 | state_c1<=capacity_c2] U [capacity_c0<=state_c1 & capacity_c1<=127]]] | [[resource_c0<=capacity_c2 | EX [66<=state_c4]] & EG [~ [capacity_c3<=capacity_c1]]]]]]
normalized: ~ [EG [[[EG [~ [capacity_c3<=capacity_c1]] & [resource_c0<=capacity_c2 | EX [66<=state_c4]]] | [158<=resource_c0 | E [[resource_c4<=state_c0 | state_c1<=capacity_c2] U [capacity_c0<=state_c1 & capacity_c1<=127]]]]]]
abstracting: (capacity_c1<=127)
states: 33,332,946,327,977,222 (16)
abstracting: (capacity_c0<=state_c1)
states: 1,352,704,143,224,946 (15)
abstracting: (state_c1<=capacity_c2)
states: 33,357,304,907,239,817 (16)
abstracting: (resource_c4<=state_c0)
states: 5,190,170,686,472,108 (15)
abstracting: (158<=resource_c0)
states: 0
abstracting: (66<=state_c4)
states: 0
.abstracting: (resource_c0<=capacity_c2)
states: 29,667,124,614,815,029 (16)
abstracting: (capacity_c3<=capacity_c1)
states: 17,023,236,521,365,393 (16)
...........................................................................................................MC time: 4m50.487sec
checking: [EX [[AG [EX [[resource_c0<=166 | state_c5<=211]]] & state_c4<=192]] & A [capacity_c1<=resource_c0 U [[capacity_c1<=85 | EG [~ [250<=resource_c5]]] & [EG [106<=capacity_c1] | A [[E [121<=capacity_c4 U 185<=capacity_c2] & AX [2<=state_c2]] U [AG [resource_c5<=111] & AX [state_c5<=11]]]]]]]
normalized: [[~ [EG [~ [[[[~ [EG [~ [[~ [EX [~ [state_c5<=11]]] & ~ [E [true U ~ [resource_c5<=111]]]]]]] & ~ [E [~ [[~ [EX [~ [state_c5<=11]]] & ~ [E [true U ~ [resource_c5<=111]]]]] U [~ [[~ [EX [~ [2<=state_c2]]] & E [121<=capacity_c4 U 185<=capacity_c2]]] & ~ [[~ [EX [~ [state_c5<=11]]] & ~ [E [true U ~ [resource_c5<=111]]]]]]]]] | EG [106<=capacity_c1]] & [capacity_c1<=85 | EG [~ [250<=resource_c5]]]]]]] & ~ [E [~ [[[[~ [EG [~ [[~ [EX [~ [state_c5<=11]]] & ~ [E [true U ~ [resource_c5<=111]]]]]]] & ~ [E [~ [[~ [EX [~ [state_c5<=11]]] & ~ [E [true U ~ [resource_c5<=111]]]]] U [~ [[~ [EX [~ [2<=state_c2]]] & E [121<=capacity_c4 U 185<=capacity_c2]]] & ~ [[~ [EX [~ [state_c5<=11]]] & ~ [E [true U ~ [resource_c5<=111]]]]]]]]] | EG [106<=capacity_c1]] & [capacity_c1<=85 | EG [~ [250<=resource_c5]]]]] U [~ [capacity_c1<=resource_c0] & ~ [[[[~ [EG [~ [[~ [EX [~ [state_c5<=11]]] & ~ [E [true U ~ [resource_c5<=111]]]]]]] & ~ [E [~ [[~ [EX [~ [state_c5<=11]]] & ~ [E [true U ~ [resource_c5<=111]]]]] U [~ [[~ [EX [~ [2<=state_c2]]] & E [121<=capacity_c4 U 185<=capacity_c2]]] & ~ [[~ [EX [~ [state_c5<=11]]] & ~ [E [true U ~ [resource_c5<=111]]]]]]]]] | EG [106<=capacity_c1]] & [capacity_c1<=85 | EG [~ [250<=resource_c5]]]]]]]]] & EX [[state_c4<=192 & ~ [E [true U ~ [EX [[resource_c0<=166 | state_c5<=211]]]]]]]]
abstracting: (state_c5<=211)
states: 33,357,491,354,350,793 (16)
abstracting: (resource_c0<=166)
states: 33,357,491,354,350,793 (16)
.MC time: 4m23.985sec
checking: [EF [EX [AG [[AX [state_c2<=105] & [56<=resource_c2 & capacity_c2<=83]]]]] & [AG [[E [[[141<=state_c1 | resource_c5<=state_c1] | AG [capacity_c3<=7]] U A [state_c1<=capacity_c4 U capacity_c4<=159]] | EG [[[resource_c5<=9 & resource_c5<=183] & AG [resource_c0<=state_c1]]]]] & AF [~ [EF [46<=state_c3]]]]]
normalized: [[~ [EG [E [true U 46<=state_c3]]] & ~ [E [true U ~ [[EG [[~ [E [true U ~ [resource_c0<=state_c1]]] & [resource_c5<=9 & resource_c5<=183]]] | E [[~ [E [true U ~ [capacity_c3<=7]]] | [141<=state_c1 | resource_c5<=state_c1]] U [~ [EG [~ [capacity_c4<=159]]] & ~ [E [~ [capacity_c4<=159] U [~ [state_c1<=capacity_c4] & ~ [capacity_c4<=159]]]]]]]]]]] & E [true U EX [~ [E [true U ~ [[[56<=resource_c2 & capacity_c2<=83] & ~ [EX [~ [state_c2<=105]]]]]]]]]]
abstracting: (state_c2<=105)
states: 33,357,491,354,350,793 (16)
.abstracting: (capacity_c2<=83)
states: 32,842,466,966,574,661 (16)
abstracting: (56<=resource_c2)
states: 82,040,308,140,832 (13)
.abstracting: (capacity_c4<=159)
states: 33,356,149,032,654,495 (16)
abstracting: (state_c1<=capacity_c4)
states: 33,357,304,907,239,817 (16)
abstracting: (capacity_c4<=159)
states: 33,356,149,032,654,495 (16)
abstracting: (capacity_c4<=159)
states: 33,356,149,032,654,495 (16)
........
EG iterations: 8
abstracting: (resource_c5<=state_c1)
states: 6,836,938,601,068,503 (15)
abstracting: (141<=state_c1)
states: 0
abstracting: (capacity_c3<=7)
states: 9,509,430,034,791,289 (15)
abstracting: (resource_c5<=183)
states: 33,357,491,354,350,793 (16)
abstracting: (resource_c5<=9)
states: 30,072,062,456,013,626 (16)
abstracting: (resource_c0<=state_c1)
states: 10,544,793,541,515,229 (16)
BK_STOP 1679885640477
--------------------
content from stderr:
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok
initing FirstDep: 0m 0.000sec
iterations count:8613 (478), effective:1867 (103)
initing FirstDep: 0m 0.000sec
iterations count:18 (1), effective:0 (0)
iterations count:278 (15), effective:130 (7)
iterations count:408 (22), effective:150 (8)
iterations count:18 (1), effective:0 (0)
iterations count:18 (1), effective:0 (0)
iterations count:1261 (70), effective:479 (26)
idd.h:1025: Timeout: after 291 sec
iterations count:655 (36), effective:380 (21)
iterations count:1637 (90), effective:373 (20)
net_ddint.h:600: Timeout: after 289 sec
36149
sat_reach.icc:155: Timeout: after 263 sec
iterations count:2214 (123), effective:742 (41)
iterations count:57299 (3183), effective:18127 (1007)
iterations count:122 (6), effective:40 (2)
iterations count:200 (11), effective:91 (5)
iterations count:169 (9), effective:41 (2)
/home/mcc/BenchKit/bin//../marcie/bin//../BenchKit_head.sh: line 16: 340 Killed ${MARCIE} --net-file=model.pnml --mcc-file=${BK_EXAMINATION}.xml ${MARCIE_CONFIG}
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CryptoMiner-PT-D05N250"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="marcie"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$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 2-5348"
echo " Executing tool marcie"
echo " Input is CryptoMiner-PT-D05N250, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 1"
echo " Run identifier is r513-tall-167987240700185"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CryptoMiner-PT-D05N250.tgz
mv CryptoMiner-PT-D05N250 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;