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.r211-tajo-159033477300326.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 itslola
Input is ShieldIIPt-PT-020B, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r211-tajo-159033477300326
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 3.3K May 14 01:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K May 14 01:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 13 18:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 13 18:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 14 10:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 14 10:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 14 10:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 14 10:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 12 20:42 NewModel
-rw-r--r-- 1 mcc users 3.4K May 13 13:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K May 13 13:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 13 08:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K May 13 08:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 13 16:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 338K 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 ShieldIIPt-PT-020B-ReachabilityCardinality-00
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-01
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-02
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-03
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-04
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-05
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-06
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-07
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-08
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-09
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-10
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-11
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-12
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-13
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-14
FORMULA_NAME ShieldIIPt-PT-020B-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1591298984800

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 19:29:46] [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]
[2020-06-04 19:29:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 19:29:46] [INFO ] Load time of PNML (sax parser for PT used): 90 ms
[2020-06-04 19:29:46] [INFO ] Transformed 1403 places.
[2020-06-04 19:29:46] [INFO ] Transformed 1303 transitions.
[2020-06-04 19:29:46] [INFO ] Found NUPN structural information;
[2020-06-04 19:29:46] [INFO ] Parsed PT model containing 1403 places and 1303 transitions in 151 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 47 ms.
Working with output stream class java.io.PrintStream
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 0 resets, run finished after 97 ms. (steps per millisecond=103 ) properties seen :[1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0]
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 22 ms. (steps per millisecond=454 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 21 ms. (steps per millisecond=476 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 28 ms. (steps per millisecond=357 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 21 ms. (steps per millisecond=476 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 20 ms. (steps per millisecond=500 ) properties seen :[0, 0, 0, 0, 0]
// Phase 1: matrix 1303 rows 1403 cols
[2020-06-04 19:29:46] [INFO ] Computed 181 place invariants in 30 ms
[2020-06-04 19:29:47] [INFO ] [Real]Absence check using 181 positive place invariants in 148 ms returned sat
[2020-06-04 19:29:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 19:29:51] [INFO ] [Real]Absence check using state equation in 3785 ms returned sat
[2020-06-04 19:29:51] [INFO ] Solution in real domain found non-integer solution.
[2020-06-04 19:29:51] [INFO ] [Nat]Absence check using 181 positive place invariants in 291 ms returned sat
[2020-06-04 19:29:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-04 19:29:55] [INFO ] [Nat]Absence check using state equation in 3354 ms returned sat
[2020-06-04 19:29:55] [INFO ] Deduced a trap composed of 25 places in 745 ms
[2020-06-04 19:29:56] [INFO ] Deduced a trap composed of 28 places in 622 ms
[2020-06-04 19:29:56] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s0 s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s575 s576 s577 s578 s579 s580 s596 s691 s692 s693 s694 s695 s696 s697 s698 s699) 0)") while checking expression at index 0
[2020-06-04 19:29:56] [INFO ] [Real]Absence check using 181 positive place invariants in 181 ms returned sat
[2020-06-04 19:29:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 19:30:00] [INFO ] [Real]Absence check using state equation in 3156 ms returned sat
[2020-06-04 19:30:00] [INFO ] Solution in real domain found non-integer solution.
[2020-06-04 19:30:00] [INFO ] [Nat]Absence check using 181 positive place invariants in 226 ms returned sat
[2020-06-04 19:30:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-04 19:30:03] [INFO ] [Nat]Absence check using state equation in 3223 ms returned sat
[2020-06-04 19:30:04] [INFO ] Deduced a trap composed of 20 places in 720 ms
[2020-06-04 19:30:05] [INFO ] Deduced a trap composed of 37 places in 654 ms
[2020-06-04 19:30:05] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s0 s1 s1265 s1266 s1267 s1268 s1269 s1270 s1271 s1272 s1273 s1290 s1291 s1293 s1294 s1295 s1296 s1297 s1298 s1325 s1326 s1327 s1328 s1329 s1330 s1331 s1332 s1354 s1359 s1360 s1361 s1362 s1363 s1364 s1365 s1366 s1367) 0)") while checking expression at index 1
[2020-06-04 19:30:05] [INFO ] [Real]Absence check using 181 positive place invariants in 148 ms returned sat
[2020-06-04 19:30:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 19:30:08] [INFO ] [Real]Absence check using state equation in 3410 ms returned sat
[2020-06-04 19:30:09] [INFO ] Solution in real domain found non-integer solution.
[2020-06-04 19:30:09] [INFO ] [Nat]Absence check using 181 positive place invariants in 216 ms returned sat
[2020-06-04 19:30:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-04 19:30:12] [INFO ] [Nat]Absence check using state equation in 3208 ms returned sat
[2020-06-04 19:30:13] [INFO ] Deduced a trap composed of 27 places in 574 ms
[2020-06-04 19:30:13] [INFO ] Deduced a trap composed of 26 places in 623 ms
[2020-06-04 19:30:14] [INFO ] Deduced a trap composed of 32 places in 638 ms
[2020-06-04 19:30:14] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s0 s1 s2 s3 s4 s5 s989 s990 s991 s992 s993 s994 s995 s996 s997 s1014 s1015 s1016 s1017 s1018 s1019 s1020 s1021 s1022 s1049 s1050 s1051 s1052 s1053 s1054 s1055 s1056) 0)") while checking expression at index 2
[2020-06-04 19:30:14] [INFO ] [Real]Absence check using 181 positive place invariants in 149 ms returned sat
[2020-06-04 19:30:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 19:30:18] [INFO ] [Real]Absence check using state equation in 3373 ms returned sat
[2020-06-04 19:30:18] [INFO ] Solution in real domain found non-integer solution.
[2020-06-04 19:30:18] [INFO ] [Nat]Absence check using 181 positive place invariants in 289 ms returned sat
[2020-06-04 19:30:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-04 19:30:22] [INFO ] [Nat]Absence check using state equation in 3211 ms returned sat
[2020-06-04 19:30:22] [INFO ] Deduced a trap composed of 18 places in 692 ms
[2020-06-04 19:30:23] [INFO ] Deduced a trap composed of 19 places in 556 ms
[2020-06-04 19:30:23] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s0 s1 s2 s3 s1127 s1128 s1148 s1149 s1150 s1185 s1186 s1187 s1188 s1189 s1190 s1191 s1192 s1194 s1195) 0)") while checking expression at index 3
[2020-06-04 19:30:23] [INFO ] [Real]Absence check using 181 positive place invariants in 130 ms returned sat
[2020-06-04 19:30:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 19:30:27] [INFO ] [Real]Absence check using state equation in 3442 ms returned sat
[2020-06-04 19:30:27] [INFO ] Solution in real domain found non-integer solution.
[2020-06-04 19:30:27] [INFO ] [Nat]Absence check using 181 positive place invariants in 293 ms returned sat
[2020-06-04 19:30:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-04 19:30:30] [INFO ] [Nat]Absence check using state equation in 3259 ms returned sat
[2020-06-04 19:30:31] [INFO ] Deduced a trap composed of 22 places in 702 ms
[2020-06-04 19:30:32] [INFO ] Deduced a trap composed of 20 places in 694 ms
[2020-06-04 19:30:32] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s0 s1 s1207 s1208 s1209 s1210 s1211 s1214 s1215 s1216 s1223 s1229 s1265 s1266 s1267 s1268 s1269 s1270 s1271 s1283) 0)") while checking expression at index 4
Support contains 17 out of 1403 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 1403/1403 places, 1303/1303 transitions.
Performed 334 Post agglomeration using F-continuation condition.Transition count delta: 334
Iterating post reduction 0 with 334 rules applied. Total rules applied 334 place count 1403 transition count 969
Reduce places removed 334 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 336 rules applied. Total rules applied 670 place count 1069 transition count 967
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 671 place count 1068 transition count 967
Performed 82 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 82 Pre rules applied. Total rules applied 671 place count 1068 transition count 885
Deduced a syphon composed of 82 places in 4 ms
Reduce places removed 82 places and 0 transitions.
Iterating global reduction 3 with 164 rules applied. Total rules applied 835 place count 986 transition count 885
Symmetric choice reduction at 3 with 140 rule applications. Total rules 975 place count 986 transition count 885
Deduced a syphon composed of 140 places in 4 ms
Reduce places removed 140 places and 140 transitions.
Iterating global reduction 3 with 280 rules applied. Total rules applied 1255 place count 846 transition count 745
Performed 59 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 59 Pre rules applied. Total rules applied 1255 place count 846 transition count 686
Deduced a syphon composed of 59 places in 2 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 3 with 118 rules applied. Total rules applied 1373 place count 787 transition count 686
Performed 329 Post agglomeration using F-continuation condition.Transition count delta: 329
Deduced a syphon composed of 329 places in 0 ms
Reduce places removed 329 places and 0 transitions.
Iterating global reduction 3 with 658 rules applied. Total rules applied 2031 place count 458 transition count 357
Renaming transitions due to excessive name length > 1024 char.
Performed 57 Post agglomeration using F-continuation condition.Transition count delta: -35
Deduced a syphon composed of 57 places in 1 ms
Reduce places removed 57 places and 0 transitions.
Iterating global reduction 3 with 114 rules applied. Total rules applied 2145 place count 401 transition count 392
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2146 place count 401 transition count 391
Free-agglomeration rule applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 2147 place count 401 transition count 390
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 2148 place count 400 transition count 390
Partial Free-agglomeration rule applied 20 times.
Drop transitions removed 20 transitions
Iterating global reduction 5 with 20 rules applied. Total rules applied 2168 place count 400 transition count 390
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 2169 place count 399 transition count 389
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 2171 place count 397 transition count 389
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 2171 place count 397 transition count 388
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 2173 place count 396 transition count 388
Applied a total of 2173 rules in 448 ms. Remains 396 /1403 variables (removed 1007) and now considering 388/1303 (removed 915) transitions.
Finished structural reductions, in 1 iterations. Remains : 396/1403 places, 388/1303 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 3605 ms. (steps per millisecond=277 ) properties seen :[1, 1, 0, 1, 1]
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Finished Best-First random walk after 354334 steps, including 0 resets, run visited all 1 properties in 1008 ms. (steps per millisecond=351 )
FORMULA ShieldIIPt-PT-020B-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_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="ShieldIIPt-PT-020B"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itslola"
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 itslola"
echo " Input is ShieldIIPt-PT-020B, 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 r211-tajo-159033477300326"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-020B.tgz
mv ShieldIIPt-PT-020B 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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;