About the Execution of ITS-Tools for QuasiCertifProtocol-PT-32
| Execution Summary | |||||
| Max Memory Used (MB)  | 
      Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status  | 
   
| 15757.140 | 3600000.00 | 5233462.00 | 5969.50 | [undef] | Time out reached | 
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)
..........................................................................................................................................
/home/mcc/execution
total 2.5M
-rw-r--r-- 1 mcc users  34K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 128K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users  13K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users  59K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users  30K May 26 09:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 107K May 26 09:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 26 09:27 LTLFireability.txt
-rw-r--r-- 1 mcc users  27K May 26 09:27 LTLFireability.xml
-rw-r--r-- 1 mcc users  43K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 166K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users  116 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users  354 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 8.3K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users  38K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users  11K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users    5 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users    3 May 15 18:50 instance
-rw-r--r-- 1 mcc users    6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 1.8M May 15 18:50 model.pnml
=====================================================================
 Generated by BenchKit 2-3637
    Executing tool itstools
    Input is QuasiCertifProtocol-PT-32, examination is ReachabilityDeadlock
    Time confinement is 3600 seconds
    Memory confinement is 16384 MBytes
    Number of cores is 4
    Run identifier is r140-qhx2-152673581900104
=====================================================================
--------------------
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 QuasiCertifProtocol-PT-32-ReachabilityDeadlock-0
=== Now, execution of the tool begins
BK_START 1527838493502
Flatten gal took : 989 ms
Constant places removed 71 places and 1 transitions.
Iterating post reduction 0 with 71 rules applied. Total rules applied 71 place count 3735 transition count 505
Performed 2 Post agglomeration using F-continuation condition.
Constant places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 73 place count 3733 transition count 503
Applied a total of 73 rules in 2148 ms. Remains 3733 /3806 variables (removed 73) and now considering 503/506 (removed 3) transitions.
// Phase 1: matrix 503 rows 3733 cols
Using solver Z3 to compute partial order matrices.
Built C files in : 
/home/mcc/execution
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805151631/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/ReachabilityDeadlock.pnml.gal, -t, CGAL, -ctl, DEADLOCK], workingDir=/home/mcc/execution]
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805151631/bin/its-ctl-linux64  --gc-threshold  2000000  --quiet  -i  /home/mcc/execution/ReachabilityDeadlock.pnml.gal  -t  CGAL  -ctl  DEADLOCK  
No direction supplied, using forward translation only.
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 503 rows 3733 cols
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O3, model.c], workingDir=/home/mcc/execution]
Compilation finished in 37818 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 503 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, -d], workingDir=/home/mcc/execution]
sparsehash FATAL ERROR: failed to allocate 32 groups
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -consoleLog -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss8m -Xms40m -Xmx8192m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
Jun 01, 2018 7:34:58 AM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
Jun 01, 2018 7:34:58 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 01, 2018 7:34:59 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 673 ms
Jun 01, 2018 7:34:59 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 3806 places.
Jun 01, 2018 7:34:59 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 506 transitions.
Jun 01, 2018 7:35:00 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 981 ms
Jun 01, 2018 7:35:00 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.simple.gal : 80 ms
Jun 01, 2018 7:35:01 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 506 transitions.
Jun 01, 2018 7:35:06 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/ReachabilityDeadlock.pnml.gal : 30 ms
Jun 01, 2018 7:35:07 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 503 transitions.
Jun 01, 2018 7:35:09 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 0 place invariants in 335 ms
Jun 01, 2018 7:35:41 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved  3733 variables to be positive in 32244 ms
Jun 01, 2018 7:35:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 503 transitions.
Jun 01, 2018 7:35:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/503 took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 01, 2018 7:35:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 179 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 01, 2018 7:35:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 503 transitions.
Jun 01, 2018 7:35:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 96 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 01, 2018 7:35:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 503 transitions.
Jun 01, 2018 7:35:44 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(55/503) took 3028 ms. Total solver calls (SAT/UNSAT): 41(41/0)
Jun 01, 2018 7:35:47 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(110/503) took 6069 ms. Total solver calls (SAT/UNSAT): 96(96/0)
Jun 01, 2018 7:35:50 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(158/503) took 9107 ms. Total solver calls (SAT/UNSAT): 144(144/0)
Jun 01, 2018 7:35:53 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(199/503) took 12229 ms. Total solver calls (SAT/UNSAT): 185(185/0)
Jun 01, 2018 7:35:56 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(222/503) took 15446 ms. Total solver calls (SAT/UNSAT): 2242(2242/0)
Jun 01, 2018 7:36:00 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(228/503) took 18503 ms. Total solver calls (SAT/UNSAT): 3559(3559/0)
Jun 01, 2018 7:36:03 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(236/503) took 21720 ms. Total solver calls (SAT/UNSAT): 5259(5259/0)
Jun 01, 2018 7:36:06 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(265/503) took 24735 ms. Total solver calls (SAT/UNSAT): 6897(6897/0)
Jun 01, 2018 7:36:09 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(291/503) took 27745 ms. Total solver calls (SAT/UNSAT): 8465(8465/0)
Jun 01, 2018 7:36:12 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(316/503) took 31020 ms. Total solver calls (SAT/UNSAT): 10330(10330/0)
Jun 01, 2018 7:36:15 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(330/503) took 34037 ms. Total solver calls (SAT/UNSAT): 12773(12773/0)
Jun 01, 2018 7:36:18 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(340/503) took 37171 ms. Total solver calls (SAT/UNSAT): 14398(14398/0)
Jun 01, 2018 7:36:21 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(348/503) took 40205 ms. Total solver calls (SAT/UNSAT): 15626(15626/0)
Jun 01, 2018 7:36:25 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(356/503) took 43556 ms. Total solver calls (SAT/UNSAT): 16790(16790/0)
Jun 01, 2018 7:36:28 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(368/503) took 46690 ms. Total solver calls (SAT/UNSAT): 18416(18416/0)
Jun 01, 2018 7:36:31 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(382/503) took 49825 ms. Total solver calls (SAT/UNSAT): 20131(20131/0)
Jun 01, 2018 7:36:34 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(400/503) took 53242 ms. Total solver calls (SAT/UNSAT): 22048(22048/0)
Jun 01, 2018 7:36:38 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(421/503) took 56898 ms. Total solver calls (SAT/UNSAT): 23875(23875/0)
Jun 01, 2018 7:36:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(433/503) took 59985 ms. Total solver calls (SAT/UNSAT): 24721(24721/0)
Jun 01, 2018 7:36:44 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(449/503) took 63017 ms. Total solver calls (SAT/UNSAT): 25625(25625/0)
Jun 01, 2018 7:36:47 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(461/503) took 66190 ms. Total solver calls (SAT/UNSAT): 26135(26135/0)
Jun 01, 2018 7:36:50 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(479/503) took 69299 ms. Total solver calls (SAT/UNSAT): 26630(26630/0)
Jun 01, 2018 7:36:53 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 71854 ms. Total solver calls (SAT/UNSAT): 26803(26803/0)
Jun 01, 2018 7:36:53 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 503 transitions.
Jun 01, 2018 7:37:07 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:37:20 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:37:31 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:37:44 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:37:56 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:38:07 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:38:18 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:38:30 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:38:42 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:38:52 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:39:02 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:39:13 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:39:24 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:39:35 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Jun 01, 2018 7:39:47 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Skipping mayMatrices nes/nds SMT solver raised an error :unknown
java.lang.RuntimeException: SMT solver raised an error :unknown
	at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:318)
	at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:305)
	at fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver.computeDoNotAccord(NecessaryEnablingsolver.java:628)
	at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printLabels(Gal2PinsTransformerNext.java:538)
	at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printDependencyMatrix(Gal2PinsTransformerNext.java:209)
	at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.buildBodyFile(Gal2PinsTransformerNext.java:85)
	at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.transform(Gal2PinsTransformerNext.java:830)
	at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:71)
	at java.lang.Thread.run(Thread.java:748)
Jun 01, 2018 7:39:51 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 285335ms conformant to PINS in folder :/home/mcc/execution
ITS-tools command line returned an error code 1
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="QuasiCertifProtocol-PT-32"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
# this is specific to your benchmark or test
export BIN_DIR="$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/QuasiCertifProtocol-PT-32.tgz
mv QuasiCertifProtocol-PT-32 execution
cd execution
pwd
ls -lh
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo "    Executing tool itstools"
echo "    Input is QuasiCertifProtocol-PT-32, examination is ReachabilityDeadlock"
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-qhx2-152673581900104"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
	echo "The expected result is a vector of positive values"
	echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
	echo "here is the order used to build the result vector(from text file)"
	for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
		echo "FORMULA_NAME $x"
	done
elif [ -f "ReachabilityDeadlock.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
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 ;
