fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r500-smll-171649587700218
Last Updated
July 7, 2024

About the Execution of LTSMin+red for HouseConstruction-PT-02000

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
241.084 5307.00 11230.00 138.50 FF?????????????? normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r500-smll-171649587700218.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is HouseConstruction-PT-02000, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r500-smll-171649587700218
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K May 19 07:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 19 16:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 11 18:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Apr 11 18:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Apr 11 18:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Apr 11 18:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 13K May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-00
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-01
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-02
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-03
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-04
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-05
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-06
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-07
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-08
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-09
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-10
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2024-11
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2023-12
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2023-13
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2023-14
FORMULA_NAME HouseConstruction-PT-02000-CTLFireability-2023-15

=== Now, execution of the tool begins

BK_START 1717259658935

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HouseConstruction-PT-02000
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 16:34:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 16:34:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 16:34:20] [INFO ] Load time of PNML (sax parser for PT used): 52 ms
[2024-06-01 16:34:20] [INFO ] Transformed 26 places.
[2024-06-01 16:34:20] [INFO ] Transformed 18 transitions.
[2024-06-01 16:34:20] [INFO ] Parsed PT model containing 26 places and 18 transitions and 51 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 22 ms.
Support contains 25 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Applied a total of 0 rules in 14 ms. Remains 26 /26 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 26 cols
[2024-06-01 16:34:21] [INFO ] Computed 8 invariants in 8 ms
[2024-06-01 16:34:21] [INFO ] Implicit Places using invariants in 208 ms returned []
[2024-06-01 16:34:21] [INFO ] Invariant cache hit.
[2024-06-01 16:34:21] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 349 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2024-06-01 16:34:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 18/43 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 1/44 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/44 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 44/44 variables, and 34 constraints, problems are : Problem set: 0 solved, 17 unsolved in 566 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 26/26 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 18/43 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 1/44 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/44 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 44/44 variables, and 51 constraints, problems are : Problem set: 0 solved, 17 unsolved in 315 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 26/26 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
After SMT, in 920ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 935ms
Finished structural reductions in LTL mode , in 1 iterations and 1330 ms. Remains : 26/26 places, 18/18 transitions.
Support contains 25 out of 26 places after structural reductions.
[2024-06-01 16:34:22] [INFO ] Flatten gal took : 22 ms
[2024-06-01 16:34:22] [INFO ] Flatten gal took : 8 ms
[2024-06-01 16:34:22] [INFO ] Input system was already deterministic with 18 transitions.
Reduction of identical properties reduced properties to check from 28 to 27
RANDOM walk for 40028 steps (8 resets) in 134 ms. (296 steps per ms) remains 22/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 74 ms. (53 steps per ms) remains 3/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 48 ms. (81 steps per ms) remains 2/3 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 1/2 properties
[2024-06-01 16:34:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 14/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/24 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 17/41 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/41 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/44 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/44 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/44 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 44/44 variables, and 34 constraints, problems are : Problem set: 0 solved, 1 unsolved in 63 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 14/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/24 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 17/41 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/41 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/44 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/44 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/44 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/44 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 44/44 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 179ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 28 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=14 )
Parikh walk visited 1 properties in 32 ms.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 4 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 5 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 18 transitions.
Computed a total of 26 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 26 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
AF dead knowledge conclusive for 2 formulas.
FORMULA HouseConstruction-PT-02000-CTLFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 10 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11 ms. Remains : 25/26 places, 18/18 transitions.
[2024-06-01 16:34:23] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 4 ms
FORMULA HouseConstruction-PT-02000-CTLFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 3 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 18 transitions.
Support contains 0 out of 25 places (down from 2) after GAL structural reductions.
Starting structural reductions in SI_CTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 18 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 18 transition count 12
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 17 transition count 12
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 17 transition count 11
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 7 place count 14 transition count 11
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 7 place count 14 transition count 10
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 9 place count 13 transition count 10
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 2 with 1 rules applied. Total rules applied 10 place count 12 transition count 10
Applied a total of 10 rules in 25 ms. Remains 12 /26 variables (removed 14) and now considering 10/18 (removed 8) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 26 ms. Remains : 12/26 places, 10/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 10 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 22 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Ensure Unique test removed 1 places
Reduce places removed 2 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 20 transition count 13
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 18 transition count 13
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 5 place count 18 transition count 10
Deduced a syphon composed of 3 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 13 place count 13 transition count 10
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 13 place count 13 transition count 9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 15 place count 12 transition count 9
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 18 place count 10 transition count 8
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 20 place count 9 transition count 7
Applied a total of 20 rules in 151 ms. Remains 9 /26 variables (removed 17) and now considering 7/18 (removed 11) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 151 ms. Remains : 9/26 places, 7/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 1 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 1 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 7 transitions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 26/26 places, 18/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 3 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 3 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 18 transitions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 1 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 25/26 places, 18/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 18 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 18 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Ensure Unique test removed 1 places
Reduce places removed 2 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 16 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 15 transition count 11
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 3 place count 15 transition count 9
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 9 place count 11 transition count 9
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 9 place count 11 transition count 7
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 14 place count 8 transition count 7
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 14 place count 8 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 16 place count 7 transition count 6
Applied a total of 16 rules in 104 ms. Remains 7 /26 variables (removed 19) and now considering 6/18 (removed 12) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 104 ms. Remains : 7/26 places, 6/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 1 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 1 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 6 transitions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 1 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 25/26 places, 18/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 18 transitions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 26/26 places, 18/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 18 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 6 are kept as prefixes of interest. Removing 20 places using SCC suffix rule.0 ms
Discarding 20 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 5 transition count 3
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 3 transition count 3
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 5 place count 3 transition count 2
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 7 place count 2 transition count 2
Applied a total of 7 rules in 55 ms. Remains 2 /26 variables (removed 24) and now considering 2/18 (removed 16) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 55 ms. Remains : 2/26 places, 2/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 1 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 0 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 2 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 15 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.0 ms
Discarding 11 places :
Also discarding 7 output transitions
Drop transitions (Output transitions of discarded places.) removed 7 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 15 transition count 9
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 13 transition count 8
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 7 place count 12 transition count 8
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 7 place count 12 transition count 6
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 13 place count 8 transition count 6
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 13 place count 8 transition count 4
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 5 rules applied. Total rules applied 18 place count 5 transition count 4
Applied a total of 18 rules in 3 ms. Remains 5 /26 variables (removed 21) and now considering 4/18 (removed 14) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 3 ms. Remains : 5/26 places, 4/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 1 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 1 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 4 transitions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 0 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 25/26 places, 18/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 18 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 16 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Ensure Unique test removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 15 transition count 11
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 14 transition count 9
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 7 place count 12 transition count 9
Applied a total of 7 rules in 3 ms. Remains 12 /26 variables (removed 14) and now considering 9/18 (removed 9) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 3 ms. Remains : 12/26 places, 9/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 1 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 1 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 9 transitions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 0 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 0 ms. Remains : 25/26 places, 18/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 18 transitions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 26/26 places, 18/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 2 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 18 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 12 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.0 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 11 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 10 transition count 7
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 3 place count 10 transition count 5
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 9 place count 6 transition count 5
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 9 place count 6 transition count 3
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 14 place count 3 transition count 3
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 14 place count 3 transition count 2
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 16 place count 2 transition count 2
Applied a total of 16 rules in 53 ms. Remains 2 /26 variables (removed 24) and now considering 2/18 (removed 16) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 54 ms. Remains : 2/26 places, 2/18 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 0 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 0 ms
[2024-06-01 16:34:23] [INFO ] Input system was already deterministic with 2 transitions.
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 3 ms
[2024-06-01 16:34:23] [INFO ] Flatten gal took : 3 ms
[2024-06-01 16:34:23] [INFO ] Export to MCC of 14 properties in file /home/mcc/execution/CTLFireability.sr.xml took 4 ms.
[2024-06-01 16:34:23] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 26 places, 18 transitions and 51 arcs took 2 ms.
Total runtime 3055 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2024-02
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2024-03
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2024-04
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2024-05
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2024-06
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2024-07
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2024-08
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2024-09
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2024-10
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2024-11
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2023-12
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2023-13
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2023-14
Could not compute solution for formula : HouseConstruction-PT-02000-CTLFireability-2023-15

BK_STOP 1717259664242

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLFireability -timeout 360 -rebuildPNML
mcc2024
ctl formula name HouseConstruction-PT-02000-CTLFireability-2024-02
ctl formula formula --ctl=/tmp/514/ctl_0_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2024-03
ctl formula formula --ctl=/tmp/514/ctl_1_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2024-04
ctl formula formula --ctl=/tmp/514/ctl_2_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2024-05
ctl formula formula --ctl=/tmp/514/ctl_3_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2024-06
ctl formula formula --ctl=/tmp/514/ctl_4_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2024-07
ctl formula formula --ctl=/tmp/514/ctl_5_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2024-08
ctl formula formula --ctl=/tmp/514/ctl_6_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2024-09
ctl formula formula --ctl=/tmp/514/ctl_7_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2024-10
ctl formula formula --ctl=/tmp/514/ctl_8_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2024-11
ctl formula formula --ctl=/tmp/514/ctl_9_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2023-12
ctl formula formula --ctl=/tmp/514/ctl_10_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2023-13
ctl formula formula --ctl=/tmp/514/ctl_11_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2023-14
ctl formula formula --ctl=/tmp/514/ctl_12_
ctl formula name HouseConstruction-PT-02000-CTLFireability-2023-15
ctl formula formula --ctl=/tmp/514/ctl_13_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

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="HouseConstruction-PT-02000"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is HouseConstruction-PT-02000, 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 r500-smll-171649587700218"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HouseConstruction-PT-02000.tgz
mv HouseConstruction-PT-02000 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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;