Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r050-smll-177946901100157.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is Champagne-PT-H10T1U, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901100157
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.5K Mar 6 10:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 6 10:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 6 10:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 10:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K Mar 6 10:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 10:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Mar 6 10:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 612K Mar 3 18:30 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 Champagne-PT-H10T1U-UpperBounds-00
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-01
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-02
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-03
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-04
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-05
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-06
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-07
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-08
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-09
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-10
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-11
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-12
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-13
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-14
FORMULA_NAME Champagne-PT-H10T1U-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779547138284

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Champagne-PT-H10T1U
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 14:39:00] [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]
[2026-05-23 14:39:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 14:39:01] [INFO ] Load time of PNML (sax parser for PT used): 466 ms
[2026-05-23 14:39:01] [INFO ] Transformed 1637 places.
[2026-05-23 14:39:01] [INFO ] Transformed 2633 transitions.
[2026-05-23 14:39:01] [INFO ] Found NUPN structural information;
[2026-05-23 14:39:01] [INFO ] Parsed PT model containing 1637 places and 2633 transitions and 7256 arcs in 743 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 15 ms.
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]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15473625104446341050.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-110047214092322735.kers'
[2026-05-23 14:39:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15473625104446341050.kers, --Pflows, --basisKERS=/tmp/petrispot-output-110047214092322735.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2633 rows 1637 cols 7256 entries
Finished phase 1 with 1574 SingleSign rule and 0 generalized
[2026-05-23 14:39:01] [INFO ] Computed 63 invariants in 12 ms
Computed 63 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-110047214092322735.kers
Total runtime 17 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 (7 resets) in 115 ms. (86 steps per ms)
FORMULA Champagne-PT-H10T1U-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T1U-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10001 steps (2 resets) in 14 ms. (666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 14:39:02] [INFO ] Invariant cache hit.
[2026-05-23 14:39:03] [INFO ] [Real]Absence check using 63 positive place invariants in 123 ms returned sat
[2026-05-23 14:39:05] [INFO ] [Real]Absence check using state equation in 1700 ms returned sat
[2026-05-23 14:39:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 14:39:07] [INFO ] [Nat]Absence check using 63 positive place invariants in 121 ms returned sat
[2026-05-23 14:39:09] [INFO ] [Nat]Absence check using state equation in 1754 ms returned sat
[2026-05-23 14:39:12] [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 close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
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 1637 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p862) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 1637/1637 places, 2632/2632 transitions.
Graph (trivial) has 1667 edges and 1637 vertex of which 539 / 1637 are part of one of the 63 SCC in 24 ms
Free SCC test removed 476 places
Drop transitions (Empty/Sink Transition effects.) removed 571 transitions
Reduce isomorphic transitions removed 571 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 529 transitions
Trivial Post-agglo rules discarded 529 transitions
Performed 529 trivial Post agglomeration. Transition count delta: 529
Iterating post reduction 0 with 529 rules applied. Total rules applied 530 place count 1161 transition count 1532
Reduce places removed 529 places and 0 transitions.
Ensure Unique test removed 61 transitions
Reduce isomorphic transitions removed 61 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 61 transitions
Trivial Post-agglo rules discarded 61 transitions
Performed 61 trivial Post agglomeration. Transition count delta: 61
Iterating post reduction 1 with 651 rules applied. Total rules applied 1181 place count 632 transition count 1410
Reduce places removed 61 places and 0 transitions.
Iterating post reduction 2 with 61 rules applied. Total rules applied 1242 place count 571 transition count 1410
Discarding 221 places :
Symmetric choice reduction at 3 with 221 rule applications. Total rules 1463 place count 350 transition count 1189
Iterating global reduction 3 with 221 rules applied. Total rules applied 1684 place count 350 transition count 1189
Performed 63 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 63 Pre rules applied. Total rules applied 1684 place count 350 transition count 1126
Deduced a syphon composed of 63 places in 3 ms
Reduce places removed 63 places and 0 transitions.
Iterating global reduction 3 with 126 rules applied. Total rules applied 1810 place count 287 transition count 1126
Discarding 49 places :
Symmetric choice reduction at 3 with 49 rule applications. Total rules 1859 place count 238 transition count 675
Iterating global reduction 3 with 49 rules applied. Total rules applied 1908 place count 238 transition count 675
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 3 with 49 rules applied. Total rules applied 1957 place count 238 transition count 626
Performed 61 Post agglomeration using F-continuation condition.Transition count delta: 61
Deduced a syphon composed of 61 places in 0 ms
Reduce places removed 61 places and 0 transitions.
Iterating global reduction 4 with 122 rules applied. Total rules applied 2079 place count 177 transition count 565
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 2083 place count 175 transition count 571
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 2087 place count 175 transition count 567
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 2093 place count 175 transition count 561
Free-agglomeration rule applied 108 times.
Iterating global reduction 5 with 108 rules applied. Total rules applied 2201 place count 175 transition count 453
Reduce places removed 108 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 447 transitions
Reduce isomorphic transitions removed 447 transitions.
Iterating post reduction 5 with 555 rules applied. Total rules applied 2756 place count 67 transition count 6
Ensure Unique test removed 57 places
Iterating post reduction 6 with 57 rules applied. Total rules applied 2813 place count 10 transition count 6
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 2814 place count 9 transition count 5
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 5 rules applied. Total rules applied 2819 place count 6 transition count 3
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 2 Pre rules applied. Total rules applied 2819 place count 6 transition count 1
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 8 with 6 rules applied. Total rules applied 2825 place count 2 transition count 1
Applied a total of 2825 rules in 513 ms. Remains 2 /1637 variables (removed 1635) and now considering 1/2632 (removed 2631) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 536 ms. Remains : 2/1637 places, 1/2632 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15592989866003341419.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15054616396747362407.kers'
[2026-05-23 14:39:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15592989866003341419.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15054616396747362407.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 1 rows 1 cols 1 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-23 14:39:12] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15054616396747362407.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (500000 resets) in 385 ms. (2590 steps per ms)
FORMULA Champagne-PT-H10T1U-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (500000 resets) in 284 ms. (3508 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 12669 ms.

BK_STOP 1779547153656

--------------------
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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="Champagne-PT-H10T1U"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 2-5973"
echo " Executing tool itstools"
echo " Input is Champagne-PT-H10T1U, 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 r050-smll-177946901100157"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H10T1U.tgz
mv Champagne-PT-H10T1U 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 ;