Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r237-smll-174903502600033.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=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 2-5832
Executing tool gold2024
Input is StigmergyElection-PT-08a, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r237-smll-174903502600033
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.7M
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 137K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 5.3M May 29 14:33 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-00
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-01
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-02
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-03
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-04
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-05
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-06
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-07
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-08
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-09
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-10
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-11
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-12
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-13
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-14
FORMULA_NAME StigmergyElection-PT-08a-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749107778152

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=StigmergyElection-PT-08a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-06-05 07:16:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-05 07:16:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 07:16:21] [INFO ] Load time of PNML (sax parser for PT used): 963 ms
[2025-06-05 07:16:21] [INFO ] Transformed 114 places.
[2025-06-05 07:16:21] [INFO ] Transformed 6882 transitions.
[2025-06-05 07:16:21] [INFO ] Found NUPN structural information;
[2025-06-05 07:16:21] [INFO ] Parsed PT model containing 114 places and 6882 transitions and 107626 arcs in 1279 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 24 ms.
Ensure Unique test removed 6218 transitions
Reduce redundant transitions removed 6218 transitions.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-06-05 07:16:22] [INFO ] Flow matrix only has 640 transitions (discarded 24 similar events)
// Phase 1: matrix 640 rows 114 cols
[2025-06-05 07:16:22] [INFO ] Computed 9 invariants in 48 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (5 resets) in 400 ms. (24 steps per ms)
FORMULA StigmergyElection-PT-08a-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA StigmergyElection-PT-08a-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20002 steps (13 resets) in 23 ms. (833 steps per ms)
FORMULA StigmergyElection-PT-08a-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2025-06-05 07:16:22] [INFO ] Flow matrix only has 640 transitions (discarded 24 similar events)
[2025-06-05 07:16:22] [INFO ] Invariant cache hit.
[2025-06-05 07:16:22] [INFO ] [Real]Absence check using 9 positive place invariants in 10 ms returned sat
[2025-06-05 07:16:23] [INFO ] [Real]Absence check using state equation in 335 ms returned sat
[2025-06-05 07:16:23] [INFO ] State equation strengthened by 549 read => feed constraints.
[2025-06-05 07:16:23] [INFO ] [Real]Added 549 Read/Feed constraints in 181 ms returned sat
[2025-06-05 07:16:23] [INFO ] Solution in real domain found non-integer solution.
[2025-06-05 07:16:23] [INFO ] [Nat]Absence check using 9 positive place invariants in 8 ms returned sat
[2025-06-05 07:16:24] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-05 07:16:24] [INFO ] [Nat]Added 549 Read/Feed constraints in 119 ms returned sat
[2025-06-05 07:16:24] [INFO ] Deduced a trap composed of 13 places in 330 ms of which 19 ms to minimize.
[2025-06-05 07:16:25] [INFO ] Deduced a trap composed of 12 places in 396 ms of which 3 ms to minimize.
[2025-06-05 07:16:25] [INFO ] Deduced a trap composed of 14 places in 261 ms of which 2 ms to minimize.
[2025-06-05 07:16:25] [INFO ] Deduced a trap composed of 13 places in 257 ms of which 3 ms to minimize.
[2025-06-05 07:16:25] [INFO ] Deduced a trap composed of 12 places in 229 ms of which 3 ms to minimize.
[2025-06-05 07:16:26] [INFO ] Deduced a trap composed of 12 places in 173 ms of which 1 ms to minimize.
[2025-06-05 07:16:26] [INFO ] Deduced a trap composed of 12 places in 172 ms of which 2 ms to minimize.
[2025-06-05 07:16:26] [INFO ] Deduced a trap composed of 12 places in 149 ms of which 2 ms to minimize.
[2025-06-05 07:16:26] [INFO ] Deduced a trap composed of 12 places in 148 ms of which 2 ms to minimize.
[2025-06-05 07:16:26] [INFO ] Deduced a trap composed of 12 places in 114 ms of which 2 ms to minimize.
[2025-06-05 07:16:27] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 2807 ms
[2025-06-05 07:16:27] [INFO ] Computed and/alt/rep : 104/120/104 causal constraints (skipped 535 transitions) in 154 ms.
[2025-06-05 07:16:27] [INFO ] Added : 30 causal constraints over 6 iterations in 558 ms. Result :sat
Minimization took 587 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 114 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p53) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 114/114 places, 662/662 transitions.
Graph (complete) has 351 edges and 114 vertex of which 106 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.10 ms
Discarding 8 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 41 rules applied. Total rules applied 42 place count 105 transition count 613
Reduce places removed 17 places and 1 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 41 rules applied. Total rules applied 83 place count 88 transition count 588
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 91 place count 80 transition count 588
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 15 Pre rules applied. Total rules applied 91 place count 80 transition count 573
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 121 place count 65 transition count 573
Discarding 15 places :
Symmetric choice reduction at 3 with 15 rule applications. Total rules 136 place count 50 transition count 558
Iterating global reduction 3 with 15 rules applied. Total rules applied 151 place count 50 transition count 558
Discarding 15 places :
Symmetric choice reduction at 3 with 15 rule applications. Total rules 166 place count 35 transition count 543
Iterating global reduction 3 with 15 rules applied. Total rules applied 181 place count 35 transition count 543
Ensure Unique test removed 262 transitions
Reduce isomorphic transitions removed 262 transitions.
Iterating post reduction 3 with 262 rules applied. Total rules applied 443 place count 35 transition count 281
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 4 with 16 rules applied. Total rules applied 459 place count 27 transition count 273
Discarding 8 places :
Symmetric choice reduction at 4 with 8 rule applications. Total rules 467 place count 19 transition count 265
Iterating global reduction 4 with 8 rules applied. Total rules applied 475 place count 19 transition count 265
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 476 place count 18 transition count 264
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 477 place count 17 transition count 264
Performed 8 Post agglomeration using F-continuation condition with reduction of 247 identical transitions.
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 5 with 23 rules applied. Total rules applied 500 place count 2 transition count 9
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 5 with 8 rules applied. Total rules applied 508 place count 2 transition count 1
Applied a total of 508 rules in 167 ms. Remains 2 /114 variables (removed 112) and now considering 1/662 (removed 661) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 183 ms. Remains : 2/114 places, 1/662 transitions.
// Phase 1: matrix 1 rows 2 cols
[2025-06-05 07:16:28] [INFO ] Computed 1 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (500000 resets) in 377 ms. (2645 steps per ms)
FORMULA StigmergyElection-PT-08a-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (500000 resets) in 321 ms. (3105 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-05 07:16:29] [INFO ] Flatten gal took : 156 ms
[2025-06-05 07:16:29] [INFO ] Flatten gal took : 1 ms
[2025-06-05 07:16:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3040363788254313957.gal : 4 ms
[2025-06-05 07:16:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15786757323497155669.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3040363788254313957.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15786757323497155669.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:840)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 8727 ms.

BK_STOP 1749107789369

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="StigmergyElection-PT-08a"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is StigmergyElection-PT-08a, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r237-smll-174903502600033"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/StigmergyElection-PT-08a.tgz
mv StigmergyElection-PT-08a execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;