Execution Chart

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

Trace from the execution

Waiting for the VM to be ready (probing ssh)
..............
=====================================================================
Generated by BenchKit 2-3254
Executing tool itstools
Input is S_PolyORBNT-PT-S05J20, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r140-smll-149479233700095
=====================================================================

--------------------
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 PolyORBNT-COL-S05J20-LTLCardinality-0
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-1
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-10
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-11
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-12
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-13
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-14
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-15
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-2
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-3
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-4
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-5
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-6
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-7
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-8
FORMULA_NAME PolyORBNT-COL-S05J20-LTLCardinality-9

=== Now, execution of the tool begins

BK_START 1496330146807


Using solver YICES2 to compute partial order matrices.
Built C files in :
/home/mcc/execution
its-ltl command run as :

/home/mcc/BenchKit/eclipse/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201705302212/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLCardinality.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLCardinality.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !(("((((TheSour_4+TheSour_3)+TheSour_2)+TheSour_1)+TheSour_5)>=2"))
Formula 0 simplified : !"((((TheSour_4+TheSour_3)+TheSour_2)+TheSour_1)+TheSour_5)>=2"
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 1210 rows 349 cols
invariant : -1'CreatedJobs_2_3 + 1'CreatedJobs_10_5 + -1'AvailableJobId_9 + -1'AvailableJobId_16 + -1'JobCnt + -1'NotifyEventJobQueuedB_1_14 + -1'NotifyEventJobQueuedB_1_13 + 1'CreatedJobs_7_4 + -1'AvailableJobId_2 + -1'ModifiedSrc_3 + -1'CreatedJobs_9_3 + -1'NotifyEventJobQueuedB_1_0 + -1'NotifyEventJobQueuedB_1_6 + -1'NotifyEventJobQueuedB_1_7 + -1'CreatedJobs_16_3 + 1'CreatedJobs_7_5 + -1'CreatedJobs_1_3 + 1'CreatedJobs_17_1 + 1'CreatedJobs_0_5 + 1'CreatedJobs_8_2 + 1'CreatedJobs_10_2 + 1'Perform_Work_E_1 + 1'CreatedJobs_8_5 + -1'TheSour_3 + -1'CreatedJobs_15_3 + -1'NotifyEventJobQueuedB_1_19 + -1'NotifyEventJobQueuedB_1_8 + -1'NotifyEventJobQueuedB_1_12 + -1'CreatedJobs_14_3 + -1'AvailableJobId_4 + 1'FetchJobE_1_5 + 1'place_787_1 + -1'AvailableJobId_11 + 1'CreatedJobs_7_2 + -1'NotifyEventJobQueuedB_1_11 + 1'Try_Check_Sources_E_1 + 1'CreatedJobs_6_4 + -1'AvailableJobId_1 + 1'CreatedJobs_17_2 + 1'CreatedJobs_0_4 + -1'AvailableJobId_3 + -1'NotifyEventJobQueuedB_1_9 + -1'CreatedJobs_3_3 + 1'place_782_1 + 1'CreatedJobs_8_1 + 1'Perform_Work_B_1_5 + -1'CanInjectEvent + -1'NotifyEventJobQueuedB_1_2 + -1'AvailableJobId_12 + -1'NotifyEventJobQueuedB_1_20 + -1'CreatedJobs_13_3 + 1'CreatedJobs_10_1 + -1'place_482_1_3 + -1'NotifyEventJobQueuedB_1_1 + 1'CreatedJobs_8_4 + 1'CreatedJobs_18_1 + 1'CreatedJobs_0_1 + -1'NotifyEventJobQueuedB_1_10 + 1'CreatedJobs_17_4 + 1'Try_Check_Sources_B_1 + 1'f1_5 + 1'Schedule_Task_B_1 + -1'CreatedJobs_4_3 + -1'NotifyEventJobQueuedB_1_17 + 1'NotifyEventEndOfCheckSourcesB_1 + -1'CreatedJobs_5_3 + 1'CreatedJobs_6_1 + 1'CreatedJobs_6_2 + -1'NotifyEventJobQueuedB_1_18 + 1'CreatedJobs_6_5 + 1'CreatedJobs_18_4 + -1'AvailableJobId_13 + -1'AvailableJobId_20 + 1'QueueJobB_1_5 + 1'Check_Sources_B_1 + 1'f2_5 + -1'CreatedJobs_12_3 + -1'NotifyEventJobQueuedB_1_16 + -1'CreatedJobs_19_3 + -1'AvailableJobId_19 + -1'CreatedJobs_11_3 + 1'CreatedJobs_18_2 + 1'CreatedJobs_10_4 + 1'CreatedJobs_7_1 + -1'NotifyEventJobQueuedB_1_3 + -1'NotifyEventJobQueuedB_1_4 + -1'CreatedJobs_20_3 + -1'AvailableJobId_14 + 1'CreatedJobs_0_2 + -1'NotifyEventJobQueuedB_1_15 + 1'CreatedJobs_17_5 + 1'Schedule_Task_E_1_CheckSource_0 + 1'CreatedJobs_18_5 + -1'AvailableJobId_15 + 1'NotifyEventEndOfCheckSourcesE_1 + 1'f3_5 + 1'Schedule_Task_E_1_PerformWork_5= -14
invariant : -1'AvailableJobId_7 + 1'CreatedJobs_2_3 + -1'CreatedJobs_10_5 + -1'CreatedJobs_7_4 + 1'ModifiedSrc_3 + 1'CreatedJobs_9_3 + 1'CreatedJobs_16_3 + -1'CreatedJobs_7_5 + -1'AvailableJobId_10 + 1'CreatedJobs_1_3 + -1'CreatedJobs_0_5 + -1'CreatedJobs_10_2 + 1'TheSour_3 + 1'CreatedJobs_15_3 + 1'CreatedJobs_14_3 + -1'CreatedJobs_7_2 + -1'CreatedJobs_6_4 + -1'CreatedJobs_0_4 + 1'CreatedJobs_3_3 + 1'CreatedJobs_13_3 + -1'CreatedJobs_10_1 + 1'place_482_1_3 + -1'CreatedJobs_18_1 + -1'CreatedJobs_0_1 + 1'CreatedJobs_4_3 + 1'CreatedJobs_5_3 + -1'CreatedJobs_6_1 + -1'CreatedJobs_6_2 + -1'AvailableJobId_6 + -1'CreatedJobs_6_5 + -1'CreatedJobs_18_4 + 1'CreatedJobs_12_3 + 1'CreatedJobs_19_3 + 1'CreatedJobs_11_3 + -1'CreatedJobs_18_2 + -1'AvailableJobId_0 + -1'CreatedJobs_10_4 + -1'CreatedJobs_7_1 + 1'CreatedJobs_20_3 + -1'AvailableJobId_18 + -1'CreatedJobs_0_2 + -1'CreatedJobs_18_5 + 1'CreatedJobs_17_3 + 1'CreatedJobs_8_3= -4
invariant : 1'AvailableJobId_7 + 1'Schedule_Task_E_1_PerformWork_7 + 1'NotifyEventJobQueuedB_1_7 + 1'f3_7 + 1'Perform_Work_B_1_7 + 1'f1_7 + 1'FetchJobE_1_7 + 1'f2_7 + 1'QueueJobB_1_7= 1
invariant : 1'Perform_Work_B_1_20 + 1'f3_20 + 1'NotifyEventJobQueuedB_1_20 + 1'Schedule_Task_E_1_PerformWork_20 + 1'AvailableJobId_20 + 1'FetchJobE_1_20 + 1'QueueJobB_1_20 + 1'f2_20 + 1'f1_20= 1
invariant : 1'CreatedJobs_15_3 + 1'CreatedJobs_15_4 + 1'CreatedJobs_15_2 + 1'CreatedJobs_15_5 + 1'AvailableJobId_15 + 1'CreatedJobs_15_1= 1
invariant : 1'CreatedJobs_16_1 + 1'AvailableJobId_16 + 1'CreatedJobs_16_2 + 1'CreatedJobs_16_3 + 1'CreatedJobs_16_4 + 1'CreatedJobs_16_5= 1
invariant : 1'CreatedJobs_1_3 + 1'CreatedJobs_1_1 + 1'AvailableJobId_1 + 1'CreatedJobs_1_4 + 1'CreatedJobs_1_2 + 1'CreatedJobs_1_5= 1
invariant : = 0
invariant : 1'CreatedJobs_2_3 + 1'CreatedJobs_2_2 + 1'CreatedJobs_2_1 + 1'AvailableJobId_2 + 1'CreatedJobs_2_4 + 1'CreatedJobs_2_5= 1
invariant : 1'JobCnt + 1'cJobCnt= 10
invariant : 1'FetchJobE_1_17 + 1'Schedule_Task_E_1_PerformWork_17 + -1'CreatedJobs_17_1 + -1'CreatedJobs_17_2 + 1'f2_17 + -1'CreatedJobs_17_4 + 1'NotifyEventJobQueuedB_1_17 + 1'f3_17 + -1'CreatedJobs_17_5 + 1'QueueJobB_1_17 + -1'CreatedJobs_17_3 + 1'f1_17 + 1'Perform_Work_B_1_17= 0
invariant : 1'QueueJobB_1_18 + 1'FetchJobE_1_18 + 1'f2_18 + 1'Schedule_Task_E_1_PerformWork_18 + 1'f3_18 + 1'NotifyEventJobQueuedB_1_18 + 1'Perform_Work_B_1_18 + 1'AvailableJobId_18 + 1'f1_18= 1
invariant : -1'CreatedJobs_9_1 + -1'CreatedJobs_2_3 + -1'CreatedJobs_16_1 + 1'CreatedJobs_10_5 + -1'AvailableJobId_9 + -1'AvailableJobId_16 + -1'CreatedJobs_2_1 + -1'CreatedJobs_4_4 + -1'AvailableJobId_2 + -1'CreatedJobs_2_4 + -1'CreatedJobs_9_3 + -1'CreatedJobs_13_4 + 1'place_482_1_5 + 1'CreatedJobs_11_5 + -1'CreatedJobs_16_3 + 1'CreatedJobs_7_5 + -1'CreatedJobs_1_3 + 1'CreatedJobs_0_5 + 1'CreatedJobs_8_2 + 1'CreatedJobs_10_2 + -1'CreatedJobs_3_1 + 1'CreatedJobs_14_5 + 1'CreatedJobs_8_5 + 1'DataOnSrc_2 + -1'AvailableJobId_4 + 1'CreatedJobs_7_2 + -1'CreatedJobs_16_4 + -1'CreatedJobs_1_1 + 1'CreatedJobs_14_2 + -1'CreatedJobs_9_4 + -1'CreatedJobs_20_4 + -1'AvailableJobId_1 + 1'CreatedJobs_17_2 + -1'AvailableJobId_3 + -1'CreatedJobs_3_3 + 1'CreatedJobs_15_2 + -1'AvailableJobId_12 + -1'CreatedJobs_13_3 + 1'CreatedJobs_5_5 + -1'CreatedJobs_19_4 + -1'CreatedJobs_1_4 + 1'CreatedJobs_15_5 + -1'CreatedJobs_4_3 + 1'DataOnSrc_5 + 1'CreatedJobs_6_2 + -1'CreatedJobs_19_1 + 1'CreatedJobs_6_5 + -1'AvailableJobId_13 + -1'CreatedJobs_13_1 + -1'AvailableJobId_20 + 1'place_482_1_2 + -1'CreatedJobs_12_3 + -1'CreatedJobs_19_3 + -1'AvailableJobId_19 + 1'CreatedJobs_5_2 + 1'CreatedJobs_18_2 + -1'CreatedJobs_20_1 + -1'CreatedJobs_3_4 + -1'CreatedJobs_12_1 + -1'CreatedJobs_20_3 + -1'CreatedJobs_4_1 + 1'CreatedJobs_0_2 + 1'CreatedJobs_11_2 + 1'CreatedJobs_17_5 + 1'CreatedJobs_18_5 + 1'ModifiedSrc_5 + -1'CreatedJobs_12_4 + 1'ModifiedSrc_2= -8
invariant : 1'CreatedJobs_9_1 + 1'CreatedJobs_2_3 + 1'CreatedJobs_16_1 + -1'CreatedJobs_10_5 + 1'AvailableJobId_9 + -1'CreatedJobs_20_5 + 1'AvailableJobId_16 + 1'CreatedJobs_2_2 + 1'CreatedJobs_16_2 + 1'CreatedJobs_2_1 + 1'CreatedJobs_4_4 + 1'AvailableJobId_2 + 1'CreatedJobs_2_4 + 1'CreatedJobs_9_3 + -1'place_482_1_5 + -1'CreatedJobs_11_5 + 1'CreatedJobs_16_3 + -1'CreatedJobs_7_5 + 1'CreatedJobs_1_3 + -1'CreatedJobs_0_5 + -1'CreatedJobs_14_5 + -1'CreatedJobs_8_5 + 1'CreatedJobs_9_2 + 1'AvailableJobId_4 + 1'CreatedJobs_16_4 + 1'CreatedJobs_1_1 + -1'CreatedJobs_13_5 + 1'CreatedJobs_9_4 + 1'AvailableJobId_1 + 1'AvailableJobId_12 + -1'CreatedJobs_5_5 + 1'CreatedJobs_19_4 + 1'CreatedJobs_1_4 + -1'CreatedJobs_15_5 + 1'CreatedJobs_4_3 + -1'DataOnSrc_5 + 1'CreatedJobs_19_1 + -1'CreatedJobs_6_5 + 1'CreatedJobs_19_2 + 1'CreatedJobs_12_3 + 1'CreatedJobs_19_3 + 1'AvailableJobId_19 + 1'CreatedJobs_4_2 + 1'CreatedJobs_12_1 + 1'CreatedJobs_4_1 + -1'CreatedJobs_3_5 + -1'CreatedJobs_17_5 + -1'CreatedJobs_18_5 + -1'ModifiedSrc_5 + 1'CreatedJobs_1_2 + 1'CreatedJobs_12_4 + 1'CreatedJobs_12_2= 6
invariant : 1'CreatedJobs_20_5 + 1'CreatedJobs_20_4 + 1'AvailableJobId_20 + 1'CreatedJobs_20_1 + 1'CreatedJobs_20_3 + 1'CreatedJobs_20_2= 1
invariant : 1'FetchJobE_1_11 + 1'f2_11 + 1'AvailableJobId_11 + 1'NotifyEventJobQueuedB_1_11 + 1'Schedule_Task_E_1_PerformWork_11 + 1'Perform_Work_B_1_11 + 1'QueueJobB_1_11 + 1'f3_11 + 1'f1_11= 1
invariant : 1'CreatedJobs_11_5 + 1'AvailableJobId_11 + 1'CreatedJobs_11_1 + 1'CreatedJobs_11_3 + 1'CreatedJobs_11_2 + 1'CreatedJobs_11_4= 1
invariant : 1'TheSour_4 + 1'CreatedJobs_7_4 + 1'CreatedJobs_4_4 + 1'CreatedJobs_2_4 + 1'CreatedJobs_13_4 + -1'CreatedJobs_11_5 + 1'CreatedJobs_14_4 + -1'AvailableJobId_11 + 1'CreatedJobs_15_4 + 1'CreatedJobs_16_4 + 1'CreatedJobs_6_4 + 1'CreatedJobs_9_4 + 1'CreatedJobs_20_4 + -1'CreatedJobs_11_1 + 1'place_482_1_4 + 1'CreatedJobs_0_4 + 1'CreatedJobs_8_4 + 1'CreatedJobs_19_4 + 1'CreatedJobs_1_4 + 1'CreatedJobs_17_4 + 1'CreatedJobs_18_4 + -1'CreatedJobs_11_3 + 1'CreatedJobs_10_4 + 1'CreatedJobs_3_4 + -1'CreatedJobs_11_2 + 1'CreatedJobs_12_4 + 1'ModifiedSrc_4 + 1'CreatedJobs_5_4= 0
Exit code :137

BK_STOP 1496330956035

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
+ ulimit -s 65536
+ java -Dosgi.requiredJavaVersion=1.6 -Xss8m -Xms40m -Xmx8192m -Declipse.pde.launch=true -Dfile.encoding=UTF-8 -classpath /home/mcc/BenchKit//eclipse/plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.jar org.eclipse.equinox.launcher.Main -application fr.lip6.move.gal.application.pnmcc -data /home/mcc/BenchKit//workspace -os linux -ws gtk -arch x86_64 -nl en_US -consoleLog -pnfolder /home/mcc/execution -examination LTLCardinality -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
Jun 01, 2017 3:15:48 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 01, 2017 3:15:49 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 365 ms
Jun 01, 2017 3:15:49 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 349 places.
Jun 01, 2017 3:15:49 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 1210 transitions.
Jun 01, 2017 3:15:50 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 674 ms
Jun 01, 2017 3:15:50 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLCardinality.pnml.gal : 68 ms
Jun 01, 2017 3:15:50 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLCardinality.ltl : 2 ms
Jun 01, 2017 3:15:52 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 59 place invariants in 447 ms
Exception in thread "Thread-5" java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:3181)
at java.util.ArrayList.grow(ArrayList.java:261)
at java.util.ArrayList.ensureExplicitCapacity(ArrayList.java:235)
at java.util.ArrayList.ensureCapacityInternal(ArrayList.java:227)
at java.util.ArrayList.add(ArrayList.java:458)
at fr.lip6.move.gal.gal2smt.bmc.KInductionSolver.computeAndDeclareInvariants(KInductionSolver.java:245)
at fr.lip6.move.gal.gal2smt.bmc.KInductionSolver.init(KInductionSolver.java:77)
at fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver.init(NecessaryEnablingsolver.java:47)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printLabels(Gal2PinsTransformerNext.java:451)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printDependencyMatrix(Gal2PinsTransformerNext.java:191)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.buildBodyFile(Gal2PinsTransformerNext.java:80)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.transform(Gal2PinsTransformerNext.java:739)
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:44)
at java.lang.Thread.run(Thread.java:748)

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="S_PolyORBNT-PT-S05J20"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
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

tar xzf /home/mcc/BenchKit/INPUTS/S_PolyORBNT-PT-S05J20.tgz
mv S_PolyORBNT-PT-S05J20 execution

# this is for BenchKit: explicit launching of the test

cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-3254"
echo " Executing tool itstools"
echo " Input is S_PolyORBNT-PT-S05J20, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r140-smll-149479233700095"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
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 ;