fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r168-tall-165277017400925
Last Updated
Jun 22, 2022

About the Execution of ITS-Tools for QuasiCertifProtocol-COL-18

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
310.955 46034.00 57976.00 256.50 1 10 19 19 19 1 19 19 1 19 1 19 19 19 10 1 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.r168-tall-165277017400925.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)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is QuasiCertifProtocol-COL-18, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-tall-165277017400925
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 320K
-rw-r--r-- 1 mcc users 7.4K Apr 30 13:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Apr 30 13:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Apr 30 13:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Apr 30 13:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K May 9 08:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 9 08:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 9 08:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 9 08:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 9 08:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 08:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:34 equiv_pt
-rw-r--r-- 1 mcc users 3 May 10 09:34 instance
-rw-r--r-- 1 mcc users 5 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 93K 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 positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-00
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-01
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-02
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-03
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-04
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-05
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-06
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-07
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-08
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-09
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-10
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-11
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-12
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-13
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-14
FORMULA_NAME QuasiCertifProtocol-COL-18-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1652984863636

Running Version 202205111006
[2022-05-19 18:27:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -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]
[2022-05-19 18:27:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-19 18:27:44] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2022-05-19 18:27:45] [WARNING] Using fallBack plugin, rng conformance not checked
[2022-05-19 18:27:45] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 629 ms
[2022-05-19 18:27:45] [INFO ] Imported 30 HL places and 26 HL transitions for a total of 1398 PT places and 296.0 transition bindings in 20 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
[2022-05-19 18:27:45] [INFO ] Built PT skeleton of HLPN with 30 places and 26 transitions 77 arcs in 5 ms.
[2022-05-19 18:27:45] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
// Phase 1: matrix 26 rows 30 cols
[2022-05-19 18:27:45] [INFO ] Computed 5 place invariants in 7 ms
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-14 10 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-11 19 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
// Phase 1: matrix 26 rows 30 cols
[2022-05-19 18:27:45] [INFO ] Computed 5 place invariants in 3 ms
[2022-05-19 18:27:45] [INFO ] [Real]Absence check using 5 positive place invariants in 10 ms returned sat
[2022-05-19 18:27:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:45] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2022-05-19 18:27:45] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:45] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-19 18:27:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:45] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2022-05-19 18:27:45] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 4 ms.
[2022-05-19 18:27:45] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 8 ms.
[2022-05-19 18:27:45] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:45] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2022-05-19 18:27:45] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:45] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-19 18:27:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:45] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2022-05-19 18:27:45] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2022-05-19 18:27:45] [INFO ] Added : 13 causal constraints over 3 iterations in 17 ms. Result :sat
Minimization took 5 ms.
[2022-05-19 18:27:45] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2022-05-19 18:27:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:45] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2022-05-19 18:27:45] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 4 ms.
[2022-05-19 18:27:46] [INFO ] Added : 13 causal constraints over 3 iterations in 22 ms. Result :sat
Minimization took 9 ms.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2022-05-19 18:27:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2022-05-19 18:27:46] [INFO ] Added : 9 causal constraints over 2 iterations in 10 ms. Result :sat
Minimization took 7 ms.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2022-05-19 18:27:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2022-05-19 18:27:46] [INFO ] Added : 13 causal constraints over 3 iterations in 15 ms. Result :sat
Minimization took 6 ms.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2022-05-19 18:27:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2022-05-19 18:27:46] [INFO ] Added : 11 causal constraints over 3 iterations in 11 ms. Result :sat
Minimization took 5 ms.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2022-05-19 18:27:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 4 ms.
[2022-05-19 18:27:46] [INFO ] Added : 10 causal constraints over 2 iterations in 11 ms. Result :sat
Minimization took 7 ms.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2022-05-19 18:27:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 1 ms.
[2022-05-19 18:27:46] [INFO ] Added : 13 causal constraints over 3 iterations in 11 ms. Result :sat
Minimization took 5 ms.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2022-05-19 18:27:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 1 ms.
[2022-05-19 18:27:46] [INFO ] Added : 12 causal constraints over 3 iterations in 24 ms. Result :sat
Minimization took 7 ms.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2022-05-19 18:27:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 3 ms.
[2022-05-19 18:27:46] [INFO ] Added : 12 causal constraints over 3 iterations in 12 ms. Result :sat
Minimization took 15 ms.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2022-05-19 18:27:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2022-05-19 18:27:46] [INFO ] Added : 7 causal constraints over 2 iterations in 9 ms. Result :sat
Minimization took 4 ms.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2022-05-19 18:27:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 1 ms.
[2022-05-19 18:27:46] [INFO ] Added : 6 causal constraints over 2 iterations in 10 ms. Result :sat
Minimization took 5 ms.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 4 ms.
[2022-05-19 18:27:46] [INFO ] Added : 4 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 5 ms.
[2022-05-19 18:27:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-19 18:27:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:46] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2022-05-19 18:27:46] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 3 ms.
[2022-05-19 18:27:46] [INFO ] Added : 4 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 6 ms.
[2022-05-19 18:27:47] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:47] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2022-05-19 18:27:47] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:47] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2022-05-19 18:27:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:47] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2022-05-19 18:27:47] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 1 ms.
[2022-05-19 18:27:47] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : [1, 10, 19, 19, 19, 1, 19, 19, 1, 19, 1, 19, 19, 1]
Domain [tsid(19), tsid(19)] of place n9 breaks symmetries in sort tsid
[2022-05-19 18:27:47] [INFO ] Unfolded HLPN to a Petri net with 1398 places and 296 transitions 3119 arcs in 30 ms.
[2022-05-19 18:27:47] [INFO ] Unfolded 14 HLPN properties in 0 ms.
Incomplete random walk after 10000 steps, including 440 resets, run finished after 73 ms. (steps per millisecond=136 ) properties (out of 14) seen :12
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 12) seen :10
Incomplete Best-First random walk after 10001 steps, including 31 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 12) seen :11
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 12) seen :9
Incomplete Best-First random walk after 10001 steps, including 30 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 12) seen :9
Incomplete Best-First random walk after 10001 steps, including 32 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 12) seen :9
Incomplete Best-First random walk after 10001 steps, including 32 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 12) seen :9
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 12) seen :9
Incomplete Best-First random walk after 10001 steps, including 30 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 12) seen :10
Incomplete Best-First random walk after 10001 steps, including 33 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 12) seen :9
Incomplete Best-First random walk after 10001 steps, including 33 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 12) seen :9
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 12) seen :29
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-13 19 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
// Phase 1: matrix 296 rows 1398 cols
[2022-05-19 18:27:47] [INFO ] Computed 1103 place invariants in 79 ms
[2022-05-19 18:27:47] [INFO ] [Real]Absence check using 4 positive place invariants in 14 ms returned sat
[2022-05-19 18:27:47] [INFO ] [Real]Absence check using 4 positive and 1099 generalized place invariants in 162 ms returned sat
[2022-05-19 18:27:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:48] [INFO ] [Real]Absence check using state equation in 440 ms returned sat
[2022-05-19 18:27:48] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 28 ms.
[2022-05-19 18:27:49] [INFO ] Added : 86 causal constraints over 18 iterations in 865 ms. Result :sat
Minimization took 104 ms.
[2022-05-19 18:27:49] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:49] [INFO ] [Nat]Absence check using 4 positive place invariants in 16 ms returned sat
[2022-05-19 18:27:49] [INFO ] [Nat]Absence check using 4 positive and 1099 generalized place invariants in 177 ms returned sat
[2022-05-19 18:27:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:50] [INFO ] [Nat]Absence check using state equation in 457 ms returned sat
[2022-05-19 18:27:50] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 20 ms.
[2022-05-19 18:27:50] [INFO ] Added : 86 causal constraints over 18 iterations in 784 ms. Result :sat
Minimization took 114 ms.
[2022-05-19 18:27:51] [INFO ] [Real]Absence check using 4 positive place invariants in 12 ms returned sat
[2022-05-19 18:27:51] [INFO ] [Real]Absence check using 4 positive and 1099 generalized place invariants in 171 ms returned sat
[2022-05-19 18:27:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:53] [INFO ] [Real]Absence check using state equation in 1689 ms returned sat
[2022-05-19 18:27:53] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:53] [INFO ] [Nat]Absence check using 4 positive place invariants in 21 ms returned sat
[2022-05-19 18:27:53] [INFO ] [Nat]Absence check using 4 positive and 1099 generalized place invariants in 158 ms returned sat
[2022-05-19 18:27:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:54] [INFO ] [Nat]Absence check using state equation in 820 ms returned sat
[2022-05-19 18:27:54] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 20 ms.
[2022-05-19 18:27:55] [INFO ] Added : 96 causal constraints over 20 iterations in 888 ms. Result :sat
Minimization took 137 ms.
[2022-05-19 18:27:55] [INFO ] [Real]Absence check using 4 positive place invariants in 11 ms returned sat
[2022-05-19 18:27:55] [INFO ] [Real]Absence check using 4 positive and 1099 generalized place invariants in 180 ms returned sat
[2022-05-19 18:27:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:57] [INFO ] [Real]Absence check using state equation in 1736 ms returned sat
[2022-05-19 18:27:57] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:27:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 13 ms returned sat
[2022-05-19 18:27:57] [INFO ] [Nat]Absence check using 4 positive and 1099 generalized place invariants in 169 ms returned sat
[2022-05-19 18:27:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:27:59] [INFO ] [Nat]Absence check using state equation in 1558 ms returned sat
[2022-05-19 18:27:59] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 22 ms.
[2022-05-19 18:27:59] [INFO ] Added : 60 causal constraints over 12 iterations in 506 ms. Result :sat
Minimization took 153 ms.
[2022-05-19 18:28:00] [INFO ] [Real]Absence check using 4 positive place invariants in 10 ms returned sat
[2022-05-19 18:28:00] [INFO ] [Real]Absence check using 4 positive and 1099 generalized place invariants in 176 ms returned sat
[2022-05-19 18:28:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:00] [INFO ] [Real]Absence check using state equation in 462 ms returned sat
[2022-05-19 18:28:00] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 23 ms.
[2022-05-19 18:28:01] [INFO ] Added : 79 causal constraints over 16 iterations in 772 ms. Result :sat
Minimization took 92 ms.
[2022-05-19 18:28:01] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:28:02] [INFO ] [Nat]Absence check using 4 positive place invariants in 11 ms returned sat
[2022-05-19 18:28:02] [INFO ] [Nat]Absence check using 4 positive and 1099 generalized place invariants in 176 ms returned sat
[2022-05-19 18:28:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:02] [INFO ] [Nat]Absence check using state equation in 449 ms returned sat
[2022-05-19 18:28:02] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 20 ms.
[2022-05-19 18:28:03] [INFO ] Added : 79 causal constraints over 16 iterations in 665 ms. Result :sat
Minimization took 79 ms.
[2022-05-19 18:28:03] [INFO ] [Real]Absence check using 4 positive place invariants in 13 ms returned sat
[2022-05-19 18:28:03] [INFO ] [Real]Absence check using 4 positive and 1099 generalized place invariants in 165 ms returned sat
[2022-05-19 18:28:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:04] [INFO ] [Real]Absence check using state equation in 564 ms returned sat
[2022-05-19 18:28:04] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:28:04] [INFO ] [Nat]Absence check using 4 positive place invariants in 11 ms returned sat
[2022-05-19 18:28:04] [INFO ] [Nat]Absence check using 4 positive and 1099 generalized place invariants in 170 ms returned sat
[2022-05-19 18:28:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:05] [INFO ] [Nat]Absence check using state equation in 608 ms returned sat
[2022-05-19 18:28:05] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 20 ms.
[2022-05-19 18:28:06] [INFO ] Added : 79 causal constraints over 16 iterations in 691 ms. Result :sat
Minimization took 77 ms.
[2022-05-19 18:28:06] [INFO ] [Real]Absence check using 4 positive place invariants in 9 ms returned sat
[2022-05-19 18:28:06] [INFO ] [Real]Absence check using 4 positive and 1099 generalized place invariants in 156 ms returned sat
[2022-05-19 18:28:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:07] [INFO ] [Real]Absence check using state equation in 1404 ms returned sat
[2022-05-19 18:28:07] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 19 ms.
[2022-05-19 18:28:08] [INFO ] Added : 89 causal constraints over 18 iterations in 816 ms. Result :sat
Minimization took 106 ms.
[2022-05-19 18:28:08] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:28:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 11 ms returned sat
[2022-05-19 18:28:09] [INFO ] [Nat]Absence check using 4 positive and 1099 generalized place invariants in 172 ms returned sat
[2022-05-19 18:28:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:10] [INFO ] [Nat]Absence check using state equation in 1388 ms returned sat
[2022-05-19 18:28:10] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 22 ms.
[2022-05-19 18:28:11] [INFO ] Added : 84 causal constraints over 17 iterations in 732 ms. Result :sat
Minimization took 102 ms.
[2022-05-19 18:28:11] [INFO ] [Real]Absence check using 4 positive place invariants in 10 ms returned sat
[2022-05-19 18:28:11] [INFO ] [Real]Absence check using 4 positive and 1099 generalized place invariants in 213 ms returned sat
[2022-05-19 18:28:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:16] [INFO ] [Real]Absence check using state equation in 4667 ms returned unknown
[2022-05-19 18:28:16] [INFO ] [Real]Absence check using 4 positive place invariants in 10 ms returned sat
[2022-05-19 18:28:16] [INFO ] [Real]Absence check using 4 positive and 1099 generalized place invariants in 174 ms returned sat
[2022-05-19 18:28:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:17] [INFO ] [Real]Absence check using state equation in 553 ms returned sat
[2022-05-19 18:28:17] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:28:17] [INFO ] [Nat]Absence check using 4 positive place invariants in 11 ms returned sat
[2022-05-19 18:28:17] [INFO ] [Nat]Absence check using 4 positive and 1099 generalized place invariants in 168 ms returned sat
[2022-05-19 18:28:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:18] [INFO ] [Nat]Absence check using state equation in 611 ms returned sat
[2022-05-19 18:28:18] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 23 ms.
[2022-05-19 18:28:19] [INFO ] Added : 79 causal constraints over 16 iterations in 661 ms. Result :sat
Minimization took 71 ms.
[2022-05-19 18:28:19] [INFO ] [Real]Absence check using 4 positive place invariants in 9 ms returned sat
[2022-05-19 18:28:19] [INFO ] [Real]Absence check using 4 positive and 1099 generalized place invariants in 168 ms returned sat
[2022-05-19 18:28:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:21] [INFO ] [Real]Absence check using state equation in 1775 ms returned sat
[2022-05-19 18:28:21] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:28:21] [INFO ] [Nat]Absence check using 4 positive place invariants in 15 ms returned sat
[2022-05-19 18:28:21] [INFO ] [Nat]Absence check using 4 positive and 1099 generalized place invariants in 157 ms returned sat
[2022-05-19 18:28:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:23] [INFO ] [Nat]Absence check using state equation in 1812 ms returned sat
[2022-05-19 18:28:23] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 19 ms.
[2022-05-19 18:28:24] [INFO ] Added : 85 causal constraints over 17 iterations in 706 ms. Result :sat
Minimization took 294 ms.
[2022-05-19 18:28:24] [INFO ] [Real]Absence check using 4 positive place invariants in 12 ms returned sat
[2022-05-19 18:28:24] [INFO ] [Real]Absence check using 4 positive and 1099 generalized place invariants in 170 ms returned sat
[2022-05-19 18:28:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:25] [INFO ] [Real]Absence check using state equation in 912 ms returned sat
[2022-05-19 18:28:25] [INFO ] Solution in real domain found non-integer solution.
[2022-05-19 18:28:25] [INFO ] [Nat]Absence check using 4 positive place invariants in 10 ms returned sat
[2022-05-19 18:28:25] [INFO ] [Nat]Absence check using 4 positive and 1099 generalized place invariants in 176 ms returned sat
[2022-05-19 18:28:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-19 18:28:26] [INFO ] [Nat]Absence check using state equation in 953 ms returned sat
[2022-05-19 18:28:26] [INFO ] Computed and/alt/rep : 216/254/216 causal constraints (skipped 60 transitions) in 21 ms.
[2022-05-19 18:28:27] [INFO ] Added : 40 causal constraints over 8 iterations in 350 ms. Result :sat
Minimization took 113 ms.
Current structural bounds on expressions (after SMT) : [10, 19, 19, 19, 1, 19, 19, 1, 19, 19] Max seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 9]
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-12 19 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-09 19 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-06 19 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-03 19 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-04 19 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-02 19 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-01 10 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 19 out of 1398 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 1398/1398 places, 296/296 transitions.
Graph (complete) has 9608 edges and 1398 vertex of which 1354 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.9 ms
Discarding 44 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 137 transitions
Reduce isomorphic transitions removed 137 transitions.
Discarding 38 places :
Implicit places reduction removed 38 places
Drop transitions removed 40 transitions
Trivial Post-agglo rules discarded 40 transitions
Performed 40 trivial Post agglomeration. Transition count delta: 40
Iterating post reduction 0 with 215 rules applied. Total rules applied 216 place count 1316 transition count 117
Reduce places removed 40 places and 0 transitions.
Iterating post reduction 1 with 40 rules applied. Total rules applied 256 place count 1276 transition count 117
Performed 38 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 38 Pre rules applied. Total rules applied 256 place count 1276 transition count 79
Deduced a syphon composed of 38 places in 0 ms
Ensure Unique test removed 56 places
Reduce places removed 94 places and 0 transitions.
Iterating global reduction 2 with 132 rules applied. Total rules applied 388 place count 1182 transition count 79
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 389 place count 1182 transition count 78
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 390 place count 1181 transition count 78
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 390 place count 1181 transition count 77
Deduced a syphon composed of 1 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 3 rules applied. Total rules applied 393 place count 1179 transition count 77
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 1 ms
Ensure Unique test removed 342 places
Reduce places removed 361 places and 0 transitions.
Iterating global reduction 4 with 380 rules applied. Total rules applied 773 place count 818 transition count 58
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 774 place count 817 transition count 57
Ensure Unique test removed 19 places
Iterating post reduction 4 with 19 rules applied. Total rules applied 793 place count 798 transition count 57
Reduce places removed 19 places and 19 transitions.
Iterating global reduction 5 with 19 rules applied. Total rules applied 812 place count 779 transition count 38
Ensure Unique test removed 361 places
Iterating post reduction 5 with 361 rules applied. Total rules applied 1173 place count 418 transition count 38
Reduce places removed 19 places and 19 transitions.
Iterating global reduction 6 with 19 rules applied. Total rules applied 1192 place count 399 transition count 19
Ensure Unique test removed 361 places
Iterating post reduction 6 with 361 rules applied. Total rules applied 1553 place count 38 transition count 19
Applied a total of 1553 rules in 460 ms. Remains 38 /1398 variables (removed 1360) and now considering 19/296 (removed 277) transitions.
Finished structural reductions, in 1 iterations. Remains : 38/1398 places, 19/296 transitions.
// Phase 1: matrix 19 rows 38 cols
[2022-05-19 18:28:28] [INFO ] Computed 19 place invariants in 0 ms
Incomplete random walk after 1000000 steps, including 50000 resets, run finished after 1168 ms. (steps per millisecond=856 ) properties (out of 1) seen :19
FORMULA QuasiCertifProtocol-COL-18-UpperBounds-07 19 TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 44889 ms.

BK_STOP 1652984909670

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="QuasiCertifProtocol-COL-18"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool itstools"
echo " Input is QuasiCertifProtocol-COL-18, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r168-tall-165277017400925"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/QuasiCertifProtocol-COL-18.tgz
mv QuasiCertifProtocol-COL-18 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;