fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r234-tall-165286037900172
Last Updated
Jun 22, 2022

About the Execution of 2021-gold for ShieldIIPt-PT-020A

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
281.403 9994.00 19696.00 298.40 T normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r234-tall-165286037900172.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2021
Input is ShieldIIPt-PT-020A, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r234-tall-165286037900172
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 328K
-rw-r--r-- 1 mcc users 5.8K Apr 29 18:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Apr 29 18:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Apr 29 18:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Apr 29 18:40 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K May 9 08:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 9 08:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 9 08:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 9 08:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 9 08:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 9 08:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 5 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 105K May 10 09:34 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1653032707253

Running Version 0
[2022-05-20 07:45:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -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, 1800]
[2022-05-20 07:45:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-20 07:45:09] [INFO ] Load time of PNML (sax parser for PT used): 136 ms
[2022-05-20 07:45:09] [INFO ] Transformed 383 places.
[2022-05-20 07:45:09] [INFO ] Transformed 283 transitions.
[2022-05-20 07:45:09] [INFO ] Found NUPN structural information;
[2022-05-20 07:45:09] [INFO ] Parsed PT model containing 383 places and 283 transitions in 180 ms.
Starting structural reductions, iteration 0 : 383/383 places, 283/283 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 383 transition count 282
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 1 place count 383 transition count 281
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 3 place count 382 transition count 281
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 381 transition count 280
Applied a total of 5 rules in 88 ms. Remains 381 /383 variables (removed 2) and now considering 280/283 (removed 3) transitions.
// Phase 1: matrix 280 rows 381 cols
[2022-05-20 07:45:09] [INFO ] Computed 181 place invariants in 15 ms
[2022-05-20 07:45:09] [INFO ] Implicit Places using invariants in 366 ms returned [373, 374]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 394 ms to find 2 implicit places.
// Phase 1: matrix 280 rows 379 cols
[2022-05-20 07:45:09] [INFO ] Computed 179 place invariants in 7 ms
[2022-05-20 07:45:09] [INFO ] Dead Transitions using invariants and state equation in 187 ms returned []
Starting structural reductions, iteration 1 : 379/383 places, 280/283 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 379 transition count 279
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 378 transition count 279
Applied a total of 2 rules in 21 ms. Remains 378 /379 variables (removed 1) and now considering 279/280 (removed 1) transitions.
// Phase 1: matrix 279 rows 378 cols
[2022-05-20 07:45:09] [INFO ] Computed 179 place invariants in 6 ms
[2022-05-20 07:45:09] [INFO ] Implicit Places using invariants in 189 ms returned [367]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 190 ms to find 1 implicit places.
Starting structural reductions, iteration 2 : 377/383 places, 279/283 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 376 transition count 278
Applied a total of 2 rules in 31 ms. Remains 376 /377 variables (removed 1) and now considering 278/279 (removed 1) transitions.
// Phase 1: matrix 278 rows 376 cols
[2022-05-20 07:45:09] [INFO ] Computed 178 place invariants in 4 ms
[2022-05-20 07:45:10] [INFO ] Implicit Places using invariants in 182 ms returned []
// Phase 1: matrix 278 rows 376 cols
[2022-05-20 07:45:10] [INFO ] Computed 178 place invariants in 1 ms
[2022-05-20 07:45:10] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 491 ms to find 0 implicit places.
Finished structural reductions, in 3 iterations. Remains : 376/383 places, 278/283 transitions.
Discarding 79 transitions out of 278. Remains 199
[2022-05-20 07:45:10] [INFO ] Initial state test concluded for 1 properties.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 150 ms. (steps per millisecond=66 ) properties (out of 198) seen :156
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :0
Running SMT prover for 42 properties.
// Phase 1: matrix 278 rows 376 cols
[2022-05-20 07:45:10] [INFO ] Computed 178 place invariants in 4 ms
[2022-05-20 07:45:11] [INFO ] [Real]Absence check using 178 positive place invariants in 23 ms returned sat
[2022-05-20 07:45:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 07:45:12] [INFO ] [Real]Absence check using state equation in 633 ms returned unsat :0 sat :33 real:9
Attempting to minimize the solution found.
Minimization took 444 ms.
[2022-05-20 07:45:12] [INFO ] SMT Verify possible in real domain returnedunsat :0 sat :26 real:16
[2022-05-20 07:45:12] [INFO ] [Nat]Absence check using 178 positive place invariants in 35 ms returned sat
[2022-05-20 07:45:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 07:45:13] [INFO ] [Nat]Absence check using state equation in 681 ms returned unsat :0 sat :42
Attempting to minimize the solution found.
Minimization took 777 ms.
[2022-05-20 07:45:14] [INFO ] SMT Verify possible in nat domain returned unsat :0 sat :42
Fused 42 Parikh solutions to 41 different solutions.
Incomplete Parikh walk after 3130 steps, including 31 resets, run finished after 22 ms. (steps per millisecond=142 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3120 steps, including 31 resets, run finished after 21 ms. (steps per millisecond=148 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3100 steps, including 31 resets, run finished after 20 ms. (steps per millisecond=155 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3250 steps, including 32 resets, run finished after 23 ms. (steps per millisecond=141 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3290 steps, including 33 resets, run finished after 21 ms. (steps per millisecond=156 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3280 steps, including 33 resets, run finished after 20 ms. (steps per millisecond=164 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3270 steps, including 33 resets, run finished after 22 ms. (steps per millisecond=148 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3260 steps, including 32 resets, run finished after 20 ms. (steps per millisecond=163 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3250 steps, including 32 resets, run finished after 20 ms. (steps per millisecond=162 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3240 steps, including 32 resets, run finished after 20 ms. (steps per millisecond=162 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3230 steps, including 32 resets, run finished after 21 ms. (steps per millisecond=153 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3270 steps, including 32 resets, run finished after 18 ms. (steps per millisecond=181 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3260 steps, including 32 resets, run finished after 19 ms. (steps per millisecond=171 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3240 steps, including 32 resets, run finished after 20 ms. (steps per millisecond=162 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3220 steps, including 32 resets, run finished after 19 ms. (steps per millisecond=169 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3220 steps, including 32 resets, run finished after 19 ms. (steps per millisecond=169 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3180 steps, including 32 resets, run finished after 20 ms. (steps per millisecond=159 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3170 steps, including 31 resets, run finished after 19 ms. (steps per millisecond=166 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3090 steps, including 31 resets, run finished after 18 ms. (steps per millisecond=171 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3080 steps, including 31 resets, run finished after 19 ms. (steps per millisecond=162 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3090 steps, including 31 resets, run finished after 18 ms. (steps per millisecond=171 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3080 steps, including 31 resets, run finished after 17 ms. (steps per millisecond=181 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3060 steps, including 30 resets, run finished after 18 ms. (steps per millisecond=170 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3090 steps, including 31 resets, run finished after 20 ms. (steps per millisecond=154 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3080 steps, including 31 resets, run finished after 19 ms. (steps per millisecond=162 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3070 steps, including 30 resets, run finished after 18 ms. (steps per millisecond=170 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3050 steps, including 30 resets, run finished after 19 ms. (steps per millisecond=160 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3040 steps, including 30 resets, run finished after 19 ms. (steps per millisecond=160 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3030 steps, including 30 resets, run finished after 18 ms. (steps per millisecond=168 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 2980 steps, including 30 resets, run finished after 17 ms. (steps per millisecond=175 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3020 steps, including 30 resets, run finished after 19 ms. (steps per millisecond=158 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3120 steps, including 31 resets, run finished after 18 ms. (steps per millisecond=173 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3100 steps, including 31 resets, run finished after 18 ms. (steps per millisecond=172 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3250 steps, including 32 resets, run finished after 20 ms. (steps per millisecond=162 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3200 steps, including 32 resets, run finished after 19 ms. (steps per millisecond=168 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3180 steps, including 32 resets, run finished after 19 ms. (steps per millisecond=167 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3170 steps, including 32 resets, run finished after 18 ms. (steps per millisecond=176 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3160 steps, including 31 resets, run finished after 20 ms. (steps per millisecond=158 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3130 steps, including 31 resets, run finished after 18 ms. (steps per millisecond=173 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3120 steps, including 31 resets, run finished after 18 ms. (steps per millisecond=173 ) properties (out of 42) seen :0 could not realise parikh vector
Incomplete Parikh walk after 3160 steps, including 31 resets, run finished after 19 ms. (steps per millisecond=166 ) properties (out of 42) seen :0 could not realise parikh vector
Support contains 82 out of 376 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 376/376 places, 278/278 transitions.
Partial Free-agglomeration rule applied 30 times.
Drop transitions removed 30 transitions
Iterating global reduction 0 with 30 rules applied. Total rules applied 30 place count 376 transition count 278
Applied a total of 30 rules in 37 ms. Remains 376 /376 variables (removed 0) and now considering 278/278 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 376/376 places, 278/278 transitions.
[2022-05-20 07:45:15] [INFO ] Flatten gal took : 73 ms
[2022-05-20 07:45:15] [INFO ] Flatten gal took : 35 ms
[2022-05-20 07:45:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1842989215174464866.gal : 15 ms
[2022-05-20 07:45:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16504494344438852403.prop : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality1842989215174464866.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality16504494344438852403.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality1842989215174464866.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality16504494344438852403.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityCardinality16504494344438852403.prop.
SDD proceeding with computation,42 properties remain. new max is 4
SDD size :3 after 6
SDD proceeding with computation,42 properties remain. new max is 8
SDD size :6 after 14
SDD proceeding with computation,42 properties remain. new max is 16
SDD size :14 after 27
Reachability property qltransition_258 is true.
SDD proceeding with computation,41 properties remain. new max is 16
SDD size :27 after 53
Reachability property qltransition_274 is true.
Reachability property qltransition_273 is true.
Reachability property qltransition_272 is true.
Reachability property qltransition_271 is true.
Reachability property qltransition_270 is true.
Reachability property qltransition_269 is true.
Reachability property qltransition_266 is true.
Reachability property qltransition_265 is true.
Reachability property qltransition_259 is true.
Reachability property qltransition_120 is true.
Reachability property qltransition_119 is true.
Reachability property qltransition_118 is true.
Reachability property qltransition_117 is true.
Reachability property qltransition_116 is true.
SDD proceeding with computation,27 properties remain. new max is 16
SDD size :53 after 77
Reachability property qltransition_268 is true.
Reachability property qltransition_0 is true.
SDD proceeding with computation,25 properties remain. new max is 16
SDD size :77 after 132
SDD proceeding with computation,25 properties remain. new max is 32
SDD size :132 after 218
SDD proceeding with computation,25 properties remain. new max is 64
SDD size :218 after 378
Reachability property qltransition_267 is true.
Reachability property qltransition_264 is true.
Reachability property qltransition_263 is true.
Reachability property qltransition_262 is true.
Reachability property qltransition_261 is true.
Reachability property qltransition_115 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,18 properties remain. new max is 64
SDD size :378 after 17038
SDD proceeding with computation,18 properties remain. new max is 128
SDD size :17038 after 64127
SDD proceeding with computation,18 properties remain. new max is 256
SDD size :64127 after 223447
Reachability property qltransition_260 is true.
Reachability property qltransition_257 is true.
Reachability property qltransition_256 is true.
Reachability property qltransition_255 is true.
Reachability property qltransition_254 is true.
Reachability property qltransition_122 is true.
Reachability property qltransition_2 is true.
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :223447 after 1.06905e+08
Reachability property qltransition_253 is true.
Reachability property qltransition_250 is true.
Reachability property qltransition_249 is true.
Reachability property qltransition_248 is true.
Reachability property qltransition_247 is true.
Reachability property qltransition_113 is true.
Reachability property qltransition_3 is true.
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :1.06905e+08 after 8.12646e+10
Reachability property qltransition_246 is true.
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :8.12646e+10 after 6.94577e+13
Reachability property qltransition_234 is true.
Reachability property qltransition_233 is true.
Reachability property qltransition_5 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 257 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,2.06373e+16,0.37685,15284,2,1620,59,43470,6,0,1784,39338,0
Total reachable state count : 20637317857243147

Verifying 42 reachability properties.
Reachability property qltransition_0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_0,4,0.378076,15548,2,379,59,43470,7,0,1790,39338,0
Reachability property qltransition_1 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_1,2560,0.378821,15548,2,391,59,43470,8,0,1795,39338,0
Reachability property qltransition_2 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_2,1.6384e+06,0.379452,15548,2,403,59,43470,9,0,1800,39338,0
Reachability property qltransition_3 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_3,1.04858e+09,0.380058,15548,2,415,59,43470,10,0,1805,39338,0
Reachability property qltransition_5 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_5,9.12681e+13,0.380673,15548,2,577,59,43470,11,0,1810,39338,0
Reachability property qltransition_113 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_113,2.09715e+10,0.38128,15548,2,422,59,43470,12,0,1815,39338,0
Reachability property qltransition_115 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_115,51200,0.381919,15548,2,398,59,43470,13,0,1820,39338,0
Reachability property qltransition_116 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_116,25600,0.382556,15548,2,397,59,43470,14,0,1825,39338,0
Reachability property qltransition_117 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_117,1,0.383272,15548,2,377,59,43470,15,0,1830,39338,0
Reachability property qltransition_118 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_118,1,0.383997,15548,2,377,59,43470,16,0,1835,39338,0
Reachability property qltransition_119 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_119,40,0.384717,15548,2,385,59,43470,17,0,1840,39338,0
Reachability property qltransition_120 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_120,80,0.385428,15548,2,386,59,43470,18,0,1845,39338,0
Reachability property qltransition_122 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_122,3.2768e+07,0.386131,15548,2,410,59,43470,19,0,1850,39338,0
Reachability property qltransition_233 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_233,1.82536e+14,0.386841,15548,2,578,59,43470,20,0,1855,39338,0
Reachability property qltransition_234 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_234,1.82536e+14,0.388246,15548,2,578,59,43470,21,0,1860,39338,0
Reachability property qltransition_246 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_246,2.68435e+12,0.388928,15548,2,429,59,43470,22,0,1867,39338,0
Reachability property qltransition_247 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_247,2.09715e+09,0.389591,15548,2,416,59,43470,23,0,1872,39338,0
Reachability property qltransition_248 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_248,1.04858e+09,0.390247,15548,2,415,59,43470,24,0,1877,39338,0
Reachability property qltransition_249 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_249,5.24288e+08,0.390965,15548,2,414,59,43470,25,0,1882,39338,0
Reachability property qltransition_250 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_250,1.04858e+09,0.391697,15548,2,415,59,43470,26,0,1887,39338,0
Reachability property qltransition_253 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_253,4.1943e+10,0.392511,15548,2,423,59,43470,27,0,1893,39338,0
Reachability property qltransition_254 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_254,3.2768e+06,0.393211,15548,2,404,59,43470,28,0,1898,39338,0
Reachability property qltransition_255 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_255,1.6384e+06,0.393924,15548,2,403,59,43470,29,0,1903,39338,0
Reachability property qltransition_256 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_256,819200,0.394635,15548,2,402,59,43470,30,0,1908,39338,0
Reachability property qltransition_257 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_257,1.6384e+06,0.395397,15548,2,403,59,43470,31,0,1913,39338,0
Reachability property qltransition_258 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_258,6.5536e+07,0.39624,15548,2,411,59,43470,32,0,1919,39338,0
Reachability property qltransition_259 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_259,819200,0.396967,15548,2,402,59,43470,33,0,1924,39338,0
Reachability property qltransition_260 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_260,6.5536e+07,0.397797,15548,2,411,59,43470,34,0,1928,39338,0
Reachability property qltransition_261 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_261,81920,0.398623,15548,2,396,59,43470,35,0,1933,39338,0
Reachability property qltransition_262 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_262,2560,0.399474,15548,2,391,59,43470,36,0,1938,39338,0
Reachability property qltransition_263 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_263,51200,0.40042,15548,2,398,59,43470,37,0,1943,39338,0
Reachability property qltransition_264 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_264,2560,0.401205,15548,2,391,59,43470,38,0,1948,39338,0
Reachability property qltransition_265 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_265,102400,0.402059,15548,2,399,59,43470,39,0,1954,39338,0
Reachability property qltransition_266 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_266,1280,0.402917,15548,2,390,59,43470,40,0,1959,39338,0
Reachability property qltransition_267 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_267,102400,0.405275,15548,2,399,59,43470,41,0,1963,39338,0
Reachability property qltransition_268 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_268,8,0.40605,15548,2,380,59,43470,42,0,1968,39338,0
Reachability property qltransition_269 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_269,4,0.406852,15548,2,379,59,43470,43,0,1973,39338,0
Reachability property qltransition_270 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_270,2,0.407622,15548,2,378,59,43470,44,0,1978,39338,0
Reachability property qltransition_271 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_271,4,0.40839,15548,2,379,59,43470,45,0,1983,39338,0
Reachability property qltransition_272 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_272,160,0.409235,15548,2,387,59,43470,46,0,1989,39338,0
Reachability property qltransition_273 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_273,2,0.410006,15548,2,378,59,43470,47,0,1994,39338,0
Reachability property qltransition_274 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_274,160,0.410925,15548,2,387,59,43470,48,0,1998,39338,0
Able to resolve query QuasiLiveness after proving 199 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL INITIAL_STATE

BK_STOP 1653032717247

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination QuasiLiveness -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 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="ShieldIIPt-PT-020A"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2021"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 gold2021"
echo " Input is ShieldIIPt-PT-020A, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r234-tall-165286037900172"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-020A.tgz
mv ShieldIIPt-PT-020A execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;