About the Execution of ITS-Tools for BART-PT-060
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
883.880 | 41633.00 | 71814.00 | 196.40 | FTFFTFFTFTFFTFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/mnt/tpsp/fkordon/mcc2022-input.r006-tajo-165245689600651.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2022-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 itstools
Input is BART-PT-060, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r006-tajo-165245689600651
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 56M
-rw-r--r-- 1 mcc users 2.3M Apr 29 22:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 8.2M Apr 29 22:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.8M Apr 29 21:06 CTLFireability.txt
-rw-r--r-- 1 mcc users 12M Apr 29 21:06 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 10 09:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 1.9M May 9 07:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 5.0M May 9 07:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2M May 9 07:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 5.2M May 9 07:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 323K May 9 07:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 651K May 9 07:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 15M May 10 09:33 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 BART-PT-060-LTLCardinality-00
FORMULA_NAME BART-PT-060-LTLCardinality-01
FORMULA_NAME BART-PT-060-LTLCardinality-02
FORMULA_NAME BART-PT-060-LTLCardinality-03
FORMULA_NAME BART-PT-060-LTLCardinality-04
FORMULA_NAME BART-PT-060-LTLCardinality-05
FORMULA_NAME BART-PT-060-LTLCardinality-06
FORMULA_NAME BART-PT-060-LTLCardinality-07
FORMULA_NAME BART-PT-060-LTLCardinality-08
FORMULA_NAME BART-PT-060-LTLCardinality-09
FORMULA_NAME BART-PT-060-LTLCardinality-10
FORMULA_NAME BART-PT-060-LTLCardinality-11
FORMULA_NAME BART-PT-060-LTLCardinality-12
FORMULA_NAME BART-PT-060-LTLCardinality-13
FORMULA_NAME BART-PT-060-LTLCardinality-14
FORMULA_NAME BART-PT-060-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1652668343638
Running Version 202205111006
[2022-05-16 02:32:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-05-16 02:32:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-16 02:32:26] [INFO ] Load time of PNML (sax parser for PT used): 904 ms
[2022-05-16 02:32:26] [INFO ] Transformed 8130 places.
[2022-05-16 02:32:26] [INFO ] Transformed 12120 transitions.
[2022-05-16 02:32:26] [INFO ] Found NUPN structural information;
[2022-05-16 02:32:26] [INFO ] Parsed PT model containing 8130 places and 12120 transitions in 1193 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 2557 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Reduce places removed 210 places and 0 transitions.
FORMULA BART-PT-060-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-060-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-060-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-060-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-060-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-060-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-060-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-060-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-060-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-060-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-060-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 3 out of 7920 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 7920/7920 places, 12120/12120 transitions.
Discarding 1919 places :
Symmetric choice reduction at 0 with 1919 rule applications. Total rules 1919 place count 6001 transition count 10201
Iterating global reduction 0 with 1919 rules applied. Total rules applied 3838 place count 6001 transition count 10201
Discarding 1619 places :
Symmetric choice reduction at 0 with 1619 rule applications. Total rules 5457 place count 4382 transition count 8582
Iterating global reduction 0 with 1619 rules applied. Total rules applied 7076 place count 4382 transition count 8582
Discarding 240 places :
Symmetric choice reduction at 0 with 240 rule applications. Total rules 7316 place count 4142 transition count 8342
Iterating global reduction 0 with 240 rules applied. Total rules applied 7556 place count 4142 transition count 8342
Discarding 179 places :
Symmetric choice reduction at 0 with 179 rule applications. Total rules 7735 place count 3963 transition count 8163
Iterating global reduction 0 with 179 rules applied. Total rules applied 7914 place count 3963 transition count 8163
Discarding 179 places :
Symmetric choice reduction at 0 with 179 rule applications. Total rules 8093 place count 3784 transition count 7984
Iterating global reduction 0 with 179 rules applied. Total rules applied 8272 place count 3784 transition count 7984
Discarding 179 places :
Symmetric choice reduction at 0 with 179 rule applications. Total rules 8451 place count 3605 transition count 7805
Iterating global reduction 0 with 179 rules applied. Total rules applied 8630 place count 3605 transition count 7805
Discarding 179 places :
Symmetric choice reduction at 0 with 179 rule applications. Total rules 8809 place count 3426 transition count 7626
Iterating global reduction 0 with 179 rules applied. Total rules applied 8988 place count 3426 transition count 7626
Discarding 179 places :
Symmetric choice reduction at 0 with 179 rule applications. Total rules 9167 place count 3247 transition count 7447
Iterating global reduction 0 with 179 rules applied. Total rules applied 9346 place count 3247 transition count 7447
Discarding 120 places :
Symmetric choice reduction at 0 with 120 rule applications. Total rules 9466 place count 3127 transition count 7327
Iterating global reduction 0 with 120 rules applied. Total rules applied 9586 place count 3127 transition count 7327
Discarding 119 places :
Symmetric choice reduction at 0 with 119 rule applications. Total rules 9705 place count 3008 transition count 7208
Iterating global reduction 0 with 119 rules applied. Total rules applied 9824 place count 3008 transition count 7208
Discarding 60 places :
Symmetric choice reduction at 0 with 60 rule applications. Total rules 9884 place count 2948 transition count 7148
Iterating global reduction 0 with 60 rules applied. Total rules applied 9944 place count 2948 transition count 7148
Applied a total of 9944 rules in 6472 ms. Remains 2948 /7920 variables (removed 4972) and now considering 7148/12120 (removed 4972) transitions.
// Phase 1: matrix 7148 rows 2948 cols
[2022-05-16 02:32:36] [INFO ] Computed 60 place invariants in 100 ms
[2022-05-16 02:32:37] [INFO ] Implicit Places using invariants in 1083 ms returned []
// Phase 1: matrix 7148 rows 2948 cols
[2022-05-16 02:32:37] [INFO ] Computed 60 place invariants in 64 ms
[2022-05-16 02:32:39] [INFO ] Implicit Places using invariants and state equation in 1426 ms returned []
Implicit Place search using SMT with State Equation took 2615 ms to find 0 implicit places.
// Phase 1: matrix 7148 rows 2948 cols
[2022-05-16 02:32:39] [INFO ] Computed 60 place invariants in 43 ms
[2022-05-16 02:32:54] [INFO ] Dead Transitions using invariants and state equation in 15463 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 2948/7920 places, 7148/12120 transitions.
Finished structural reductions, in 1 iterations. Remains : 2948/7920 places, 7148/12120 transitions.
Support contains 3 out of 2948 places after structural reductions.
[2022-05-16 02:32:55] [INFO ] Initial state reduction rules for LTL removed 2 formulas.
[2022-05-16 02:32:55] [INFO ] Flatten gal took : 382 ms
FORMULA BART-PT-060-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-060-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2022-05-16 02:32:55] [INFO ] Flatten gal took : 217 ms
[2022-05-16 02:32:55] [INFO ] Input system was already deterministic with 7148 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 307 ms. (steps per millisecond=32 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 2) seen :1
Running SMT prover for 1 properties.
// Phase 1: matrix 7148 rows 2948 cols
[2022-05-16 02:32:56] [INFO ] Computed 60 place invariants in 32 ms
[2022-05-16 02:32:56] [INFO ] After 385ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-16 02:32:57] [INFO ] [Nat]Absence check using 60 positive place invariants in 64 ms returned sat
[2022-05-16 02:32:57] [INFO ] After 312ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
FORMULA BART-PT-060-LTLCardinality-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 2 simplifications.
FORMULA BART-PT-060-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(X(G(p0))))))'
Support contains 1 out of 2948 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2948/2948 places, 7148/7148 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 2947 transition count 7147
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 2947 transition count 7147
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 2946 transition count 7146
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 2946 transition count 7146
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 2945 transition count 7145
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 2945 transition count 7145
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 2944 transition count 7144
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 2944 transition count 7144
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 2943 transition count 7143
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 2943 transition count 7143
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 2942 transition count 7142
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 2942 transition count 7142
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 2941 transition count 7141
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 2941 transition count 7141
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 2940 transition count 7140
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 2940 transition count 7140
Applied a total of 16 rules in 2256 ms. Remains 2940 /2948 variables (removed 8) and now considering 7140/7148 (removed 8) transitions.
// Phase 1: matrix 7140 rows 2940 cols
[2022-05-16 02:32:59] [INFO ] Computed 60 place invariants in 39 ms
[2022-05-16 02:32:59] [INFO ] Implicit Places using invariants in 536 ms returned []
// Phase 1: matrix 7140 rows 2940 cols
[2022-05-16 02:33:00] [INFO ] Computed 60 place invariants in 33 ms
[2022-05-16 02:33:01] [INFO ] Implicit Places using invariants and state equation in 1386 ms returned []
Implicit Place search using SMT with State Equation took 1927 ms to find 0 implicit places.
// Phase 1: matrix 7140 rows 2940 cols
[2022-05-16 02:33:01] [INFO ] Computed 60 place invariants in 19 ms
[2022-05-16 02:33:04] [INFO ] Dead Transitions using invariants and state equation in 3499 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 2940/2948 places, 7140/7148 transitions.
Finished structural reductions, in 1 iterations. Remains : 2940/2948 places, 7140/7148 transitions.
Stuttering acceptance computed with spot in 274 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BART-PT-060-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 2}]], initial=3, aps=[p0:(EQ s1471 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 4 ms.
FORMULA BART-PT-060-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BART-PT-060-LTLCardinality-14 finished in 8036 ms.
All properties solved by simple procedures.
Total runtime 39524 ms.
BK_STOP 1652668385271
--------------------
content from stderr:
+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination LTLCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m
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="BART-PT-060"
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"
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 2-4028"
echo " Executing tool itstools"
echo " Input is BART-PT-060, 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 r006-tajo-165245689600651"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BART-PT-060.tgz
mv BART-PT-060 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;