About the Execution of 2022-gold for SwimmingPool-PT-04
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
16224.672 | 3591029.00 | 8609499.00 | 9516.10 | ?FTTTT?F?FFTF?FT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2023-input.r510-tall-167912734400260.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool gold2022
Input is SwimmingPool-PT-04, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r510-tall-167912734400260
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 412K
-rw-r--r-- 1 mcc users 6.0K Feb 26 03:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Feb 26 03:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 03:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 03:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 17:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 5 18:23 model.pnml
-rw-r--r-- 1 mcc users 9.0K Feb 26 03:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 87K Feb 26 03:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Feb 26 03:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 26 03:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 17:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:18 UpperBounds.xml
--------------------
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 SwimmingPool-PT-04-CTLFireability-00
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-01
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-02
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-03
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-04
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-05
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-06
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-07
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-08
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-09
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-10
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-11
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-12
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-13
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-14
FORMULA_NAME SwimmingPool-PT-04-CTLFireability-15
=== Now, execution of the tool begins
BK_START 1679341379314
gold2022
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> gold2022 --- TAPAAL v5
Setting MODEL_PATH=.
Setting VERIFYPN=/home/mcc/BenchKit/bin/verifypn
Got BK_TIME_CONFINEMENT=3600
Setting TEMPDIR=/home/mcc/BenchKit/bin/tmp
Got BK_MEMORY_CONFINEMENT=16384
Limiting to 16265216 kB
Total timeout: 3590
Time left: 3590
*************************************
* TAPAAL verifying CTLFireability *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4
MF=/home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)
/home/mcc/BenchKit/bin/verifypn -n -c -q 718 -l 29 -d 299 -z 4 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLFireability.xml
CPN OverApproximation is only usable on colored models
Time left: 3590
---------------------------------------------------
Step 0: Parallel Simplification
---------------------------------------------------
Doing parallel simplification (16 in total)
Total simplification timout is 718 -- reduction timeout is 299
timeout 3590 /home/mcc/BenchKit/bin/verifypn -n -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLFireability.xml
FORMULA SwimmingPool-PT-04-CTLFireability-05 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 5 was solved
Query is satisfied.
Solution found by parallel simplification (step 0)
Time left: 3590
---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (15 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.194089 on verification
@@@0.19,72232@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 1 -n
FORMULA SwimmingPool-PT-04-CTLFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3589
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 64.3766 on verification
@@@64.44,1929600@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 2 -n
FORMULA SwimmingPool-PT-04-CTLFireability-02 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3525
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 52.2595 on verification
@@@52.31,2218880@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 3 -n
FORMULA SwimmingPool-PT-04-CTLFireability-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3472
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.053592 on verification
@@@0.05,59120@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 4 -n
FORMULA SwimmingPool-PT-04-CTLFireability-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3472
------------------- QUERY 5 ----------------------
No solution found
Command terminated by signal 9
@@@50.76,7186100@@@
Command terminated by signal 9
@@@97.24,8287876@@@
Command terminated by signal 9
@@@208.21,15707260@@@
Time left: 3171
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.106315 on verification
@@@0.13,59192@@@
Query index 0 was solved
Query is NOT satisfied.
Spent 0.101594 on verification
@@@0.14,59220@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 6 -n
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 6 -n
FORMULA SwimmingPool-PT-04-CTLFireability-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3170
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.074671 on verification
@@@0.08,59364@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 7 -n
FORMULA SwimmingPool-PT-04-CTLFireability-07 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3170
------------------- QUERY 8 ----------------------
No solution found
Command terminated by signal 9
@@@75.79,9067496@@@
Command terminated by signal 9
@@@200.05,14046132@@@
Time left: 2869
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 0.055153 on verification
@@@0.06,59240@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 9 -n
FORMULA SwimmingPool-PT-04-CTLFireability-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2868
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.616576 on verification
@@@0.62,79844@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 10 -n
FORMULA SwimmingPool-PT-04-CTLFireability-01 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2868
------------------- QUERY 11 ----------------------
No solution found
Time left: 2566
------------------- QUERY 12 ----------------------
No solution found
Command terminated by signal 9
@@@79.14,9375484@@@
Command terminated by signal 9
@@@209.79,14729004@@@
Time left: 2264
------------------- QUERY 13 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 0.143698 on verification
@@@0.15,59856@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 13 -n
FORMULA SwimmingPool-PT-04-CTLFireability-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2263
------------------- QUERY 14 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.127059 on verification
@@@0.13,59260@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 14 -n
FORMULA SwimmingPool-PT-04-CTLFireability-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2263
------------------- QUERY 15 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 0.063603 on verification
@@@0.08,59420@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.WbTqTIhOEk /home/mcc/BenchKit/bin/tmp/tmp.p6oG0FUbL4 --binary-query-io 1 -x 15 -n
FORMULA SwimmingPool-PT-04-CTLFireability-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2263
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 4 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 2263
------------------- QUERY 5 ----------------------
Running query 5 for 598 seconds. Remaining: 4 queries and 2263 seconds
No solution found
Command terminated by signal 9
@@@76.47,9688668@@@
Command terminated by signal 9
@@@200.59,16146072@@@
Time left: 2062
------------------- QUERY 8 ----------------------
Running query 8 for 687 seconds. Remaining: 3 queries and 2062 seconds
No solution found
Command terminated by signal 9
@@@94.71,9226612@@@
Command terminated by signal 9
@@@232.64,16147080@@@
Time left: 1829
------------------- QUERY 11 ----------------------
Running query 11 for 914 seconds. Remaining: 2 queries and 1829 seconds
No solution found
Time left: 913
------------------- QUERY 12 ----------------------
Running query 12 for 913 seconds. Remaining: 1 queries and 913 seconds
No solution found
Command terminated by signal 9
@@@84.87,9951912@@@
Command terminated by signal 9
@@@232.16,16145840@@@
Time left: 680
Time left: 680
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (4 in total)
Each query is verified by 4 parallel strategies for 170 seconds
------------------- QUERY 5 ----------------------
No solution found
Command terminated by signal 9
@@@28.57,4181192@@@
Command terminated by signal 9
@@@40.31,5547436@@@
Command terminated by signal 9
@@@66.33,8260968@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@148.56,15900736@@@
Time left: 531
------------------- QUERY 8 ----------------------
No solution found
Command terminated by signal 9
@@@42.32,4832328@@@
Command terminated by signal 9
@@@58.50,6129488@@@
Command terminated by signal 9
@@@91.88,8416276@@@
Time left: 358
------------------- QUERY 11 ----------------------
No solution found
Time left: 186
------------------- QUERY 12 ----------------------
No solution found
Command terminated by signal 9
@@@31.26,4165844@@@
Command terminated by signal 9
@@@44.50,5568476@@@
Command terminated by signal 9
@@@74.12,8465636@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@167.99,15874140@@@
Time left: 18
Time left: 18
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (4 in total)
Each query is verified by 4 parallel strategies for 4 seconds
------------------- QUERY 5 ----------------------
No solution found
Time left: 13
------------------- QUERY 8 ----------------------
No solution found
Time left: 7
------------------- QUERY 11 ----------------------
No solution found
Time left: 2
------------------- QUERY 12 ----------------------
No solution found
Time left: -1
Out of time, terminating!
terminated-with-cleanup
BK_STOP 1679344970343
--------------------
content from stderr:
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="SwimmingPool-PT-04"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="gold2022"
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 2-5348"
echo " Executing tool gold2022"
echo " Input is SwimmingPool-PT-04, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r510-tall-167912734400260"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SwimmingPool-PT-04.tgz
mv SwimmingPool-PT-04 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;