Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r082-smll-177946993600257.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=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 2-5973
Executing tool itstools
Input is Dekker-PT-015, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600257
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 628K
-rw-r--r-- 1 mcc users 7.4K Mar 4 18:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 4 18:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 4 18:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 4 18:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 08:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 08:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 4 18:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Mar 4 18:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 4 18:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Mar 4 18:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 08:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:52 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 141K Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-00
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-01
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-02
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-03
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-04
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-05
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-06
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-07
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-08
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-09
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-10
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-11
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-12
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-13
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-14
FORMULA_NAME Dekker-PT-015-CTLCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779636647094

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Dekker-PT-015
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLCardinality PT
Running Version 202604301425
[2026-05-24 15:30:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 15:30:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 15:30:49] [INFO ] Load time of PNML (sax parser for PT used): 161 ms
[2026-05-24 15:30:49] [INFO ] Transformed 75 places.
[2026-05-24 15:30:49] [INFO ] Transformed 255 transitions.
[2026-05-24 15:30:49] [INFO ] Found NUPN structural information;
[2026-05-24 15:30:49] [INFO ] Parsed PT model containing 75 places and 255 transitions and 1830 arcs in 344 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 24 ms.
Initial state reduction rules removed 1 formulas.
FORMULA Dekker-PT-015-CTLCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 48 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 255/255 transitions.
Applied a total of 0 rules in 21 ms. Remains 75 /75 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:30:49] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14721823925109297836.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17360752062468984595.kers'
[2026-05-24 15:30:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14721823925109297836.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17360752062468984595.kers]
Culling duplicate invariants (modulo rational): removing 30 columns.
Culled 30 columns in 0 ms.
// Phase 1: matrix 60 rows 45 cols 120 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-24 15:30:49] [INFO ] Computed 45 invariants in 0 ms
Computed 45 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17360752062468984595.kers
Total runtime 2 ms.
[2026-05-24 15:30:50] [INFO ] Implicit Places using invariants in 523 ms returned [39, 48, 54, 57, 66, 69, 72]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 586 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/75 places, 255/255 transitions.
Applied a total of 0 rules in 8 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 645 ms. Remains : 68/75 places, 255/255 transitions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 6 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:30:50] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14035852692909431768.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13877624553379275686.kers'
[2026-05-24 15:30:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14035852692909431768.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13877624553379275686.kers]
Culling duplicate invariants (modulo rational): removing 23 columns.
Culled 23 columns in 0 ms.
// Phase 1: matrix 60 rows 45 cols 120 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-24 15:30:50] [INFO ] Computed 38 invariants in 0 ms
Computed 38 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13877624553379275686.kers
Total runtime 1 ms.
[2026-05-24 15:30:50] [INFO ] Implicit Places using invariants in 172 ms returned []
[2026-05-24 15:30:50] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:30:50] [INFO ] Invariant cache hit.
[2026-05-24 15:30:50] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-24 15:30:50] [INFO ] Implicit Places using invariants and state equation in 293 ms returned []
Implicit Place search using SMT with State Equation took 470 ms to find 0 implicit places.
Running 240 sub problems to find dead transitions.
[2026-05-24 15:30:50] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:30:50] [INFO ] Invariant cache hit.
[2026-05-24 15:30:50] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 30/90 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 20/110 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 18/128 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 8/68 variables, 8/136 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 8/144 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (OVERLAPS) 60/128 variables, 68/212 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/128 variables, 15/227 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/128 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 11 (OVERLAPS) 0/128 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Real declared 128/128 variables, and 227 constraints, problems are : Problem set: 0 solved, 240 unsolved in 15720 ms.
Refiners :[Domain max(s): 68/68 constraints, Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 68/68 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 30/90 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 38/128 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (OVERLAPS) 8/68 variables, 8/136 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 8/144 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (OVERLAPS) 60/128 variables, 68/212 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/128 variables, 15/227 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/128 variables, 240/467 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/128 variables, 20/487 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/128 variables, 20/507 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/128 variables, 11/518 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/128 variables, 8/526 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/128 variables, 6/532 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/128 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 16 (OVERLAPS) 0/128 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Int declared 128/128 variables, and 532 constraints, problems are : Problem set: 0 solved, 240 unsolved in 25636 ms.
Refiners :[Domain max(s): 68/68 constraints, Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 68/68 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 103/103 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41653ms problems are : Problem set: 0 solved, 240 unsolved
Search for dead transitions found 0 dead transitions in 41684ms
Finished structural reductions in LTL mode , in 1 iterations and 42202 ms. Remains : 68/68 places, 255/255 transitions.
Support contains 48 out of 68 places after structural reductions.
[2026-05-24 15:31:32] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
[2026-05-24 15:31:32] [INFO ] Flatten gal took : 76 ms
[2026-05-24 15:31:32] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2026-05-24 15:31:32] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA Dekker-PT-015-CTLCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-CTLCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-CTLCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-CTLCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-24 15:31:32] [INFO ] Flatten gal took : 38 ms
[2026-05-24 15:31:33] [INFO ] Input system was already deterministic with 255 transitions.
Support contains 44 out of 68 places (down from 48) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 2150 ms. (18 steps per ms) remains 3/28 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 3/3 properties
[2026-05-24 15:31:33] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:33] [INFO ] Invariant cache hit.
[2026-05-24 15:31:33] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 13/20 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 13/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem AtomicPropp18 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 10/37 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 7/44 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 8/52 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/32 variables, 4/56 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/32 variables, 4/60 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/32 variables, 0/60 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 28/60 variables, 32/92 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 0/92 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 16/76 variables, 15/107 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/76 variables, 0/107 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 44/120 variables, 28/135 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/120 variables, 28/163 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/120 variables, 8/171 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/120 variables, 4/175 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/120 variables, 0/175 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 8/128 variables, 8/183 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/128 variables, 8/191 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/128 variables, 8/199 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/128 variables, 0/199 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/128 variables, 0/199 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 128/128 variables, and 199 constraints, problems are : Problem set: 1 solved, 2 unsolved in 793 ms.
Refiners :[Domain max(s): 68/68 constraints, Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 68/68 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 6/9 variables, 3/6 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 6/12 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 3/15 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/9 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 3/12 variables, 3/18 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/12 variables, 3/21 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/12 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2/14 variables, 2/23 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/14 variables, 2/25 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/14 variables, 0/25 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 12/26 variables, 14/39 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/26 variables, 0/39 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 24/50 variables, 15/54 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/50 variables, 0/54 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 66/116 variables, 42/96 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/116 variables, 42/138 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/116 variables, 12/150 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/116 variables, 6/156 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/116 variables, 2/158 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/116 variables, 7/165 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/116 variables, 1/166 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/116 variables, 0/166 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 12/128 variables, 12/178 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/128 variables, 12/190 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/128 variables, 12/202 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/128 variables, 3/205 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/128 variables, 0/205 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 29 (OVERLAPS) 0/128 variables, 0/205 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 128/128 variables, and 205 constraints, problems are : Problem set: 1 solved, 2 unsolved in 514 ms.
Refiners :[Domain max(s): 68/68 constraints, Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 68/68 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1316ms problems are : Problem set: 1 solved, 2 unsolved
Finished Parikh walk after 3169 steps, including 142 resets, run visited all 2 properties in 107 ms. (steps per millisecond=29 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 117 ms.
Successfully simplified 1 atomic propositions for a total of 10 simplifications.
[2026-05-24 15:31:35] [INFO ] Flatten gal took : 40 ms
[2026-05-24 15:31:35] [INFO ] Flatten gal took : 42 ms
[2026-05-24 15:31:35] [INFO ] Input system was already deterministic with 255 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in SI_CTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 44 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:31:35] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:35] [INFO ] Invariant cache hit.
[2026-05-24 15:31:35] [INFO ] Implicit Places using invariants in 130 ms returned [30, 33, 36, 41, 44, 49, 56, 59]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 132 ms to find 8 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 60/68 places, 255/255 transitions.
Applied a total of 0 rules in 21 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 198 ms. Remains : 60/68 places, 255/255 transitions.
[2026-05-24 15:31:35] [INFO ] Flatten gal took : 26 ms
[2026-05-24 15:31:35] [INFO ] Flatten gal took : 18 ms
[2026-05-24 15:31:35] [INFO ] Input system was already deterministic with 255 transitions.
[2026-05-24 15:31:35] [INFO ] Flatten gal took : 17 ms
[2026-05-24 15:31:35] [INFO ] Flatten gal took : 17 ms
[2026-05-24 15:31:35] [INFO ] Time to serialize gal into /tmp/CTLCardinality9075265041172613279.gal : 12 ms
[2026-05-24 15:31:35] [INFO ] Time to serialize properties into /tmp/CTLCardinality4382002548394820091.ctl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality9075265041172613279.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality4382002548394820091.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,278528,0.076889,6708,2,187,5,4281,6,0,498,2016,0


Converting to forward existential form...Done !
original formula: EF(AG((((flag_1_5==0)||(flag_1_3==1)) * (EF((p3_12==1)) + E(((p1_6==0)||(flag_0_0==1)) U !(((flag_1_7==0)||(flag_1_13==1))))))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !((((flag_1_5==0)||(flag_1_3==1)) * (E(TRUE U (p3_12==1)) + E(((p1_6==0)||(flag_0...216
Reverse transition relation is NOT exact ! Due to transitions t16, t33, t50, t67, t84, t101, t118, t135, t152, t169, t186, t203, t220, t237, t254, Interse...247
(forward)formula 0,0,0.367134,11484,1,0,552,42286,538,272,4315,30970,549
FORMULA Dekker-PT-015-CTLCardinality-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 32 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:31:36] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:36] [INFO ] Invariant cache hit.
[2026-05-24 15:31:36] [INFO ] Implicit Places using invariants in 226 ms returned [30, 33, 36, 41, 49, 56]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 228 ms to find 6 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 62/68 places, 255/255 transitions.
Applied a total of 0 rules in 21 ms. Remains 62 /62 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 281 ms. Remains : 62/68 places, 255/255 transitions.
[2026-05-24 15:31:36] [INFO ] Flatten gal took : 26 ms
[2026-05-24 15:31:36] [INFO ] Flatten gal took : 23 ms
[2026-05-24 15:31:36] [INFO ] Input system was already deterministic with 255 transitions.
[2026-05-24 15:31:36] [INFO ] Flatten gal took : 20 ms
[2026-05-24 15:31:36] [INFO ] Flatten gal took : 20 ms
[2026-05-24 15:31:36] [INFO ] Time to serialize gal into /tmp/CTLCardinality5063936358423291041.gal : 9 ms
[2026-05-24 15:31:36] [INFO ] Time to serialize properties into /tmp/CTLCardinality2839061578162217360.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality5063936358423291041.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality2839061578162217360.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,278528,0.110567,6828,2,195,5,4483,6,0,506,2092,0


Converting to forward existential form...Done !
original formula: (EG(((flag_0_2!=0)&&(flag_1_10!=1))) + E(EG((((flag_1_8==0)||(p0_11==1))||(p0_5==1))) U ((flag_0_9==0)||(p1_5==1))))
=> equivalent forward existential formula: ([FwdG(Init,((flag_0_2!=0)&&(flag_1_10!=1)))] != FALSE + [(FwdU(Init,EG((((flag_1_8==0)||(p0_11==1))||(p0_5==1))...198
Hit Full ! (commute/partial/dont) 196/58/59
(forward)formula 0,1,0.232067,7092,1,0,7,10738,19,2,3550,7019,8
FORMULA Dekker-PT-015-CTLCardinality-2024-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 7 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:31:36] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:36] [INFO ] Invariant cache hit.
[2026-05-24 15:31:37] [INFO ] Implicit Places using invariants in 221 ms returned [33, 36, 41, 44, 49, 56, 59]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 223 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 61/68 places, 255/255 transitions.
Applied a total of 0 rules in 7 ms. Remains 61 /61 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 238 ms. Remains : 61/68 places, 255/255 transitions.
[2026-05-24 15:31:37] [INFO ] Flatten gal took : 17 ms
[2026-05-24 15:31:37] [INFO ] Flatten gal took : 18 ms
[2026-05-24 15:31:37] [INFO ] Input system was already deterministic with 255 transitions.
[2026-05-24 15:31:37] [INFO ] Flatten gal took : 18 ms
[2026-05-24 15:31:37] [INFO ] Flatten gal took : 27 ms
[2026-05-24 15:31:37] [INFO ] Time to serialize gal into /tmp/CTLCardinality1766115480576362840.gal : 5 ms
[2026-05-24 15:31:37] [INFO ] Time to serialize properties into /tmp/CTLCardinality482875013195875074.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality1766115480576362840.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality482875013195875074.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...282
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,278528,0.109151,6816,2,189,5,4287,6,0,502,2018,0


Converting to forward existential form...Done !
original formula: AG((EX(EX(AF((flag_0_9==1)))) + A((p0_0==0) U AG((((flag_1_1!=1)&&(flag_1_13==1))&&((p1_11==0)||(flag_1_7==1)))))))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * !(!((E(!(!(E(TRUE U !((((flag_1_1!=1)&&(flag_1_13==1))&&((p1_11==0)||(flag_1_7==1))))))) U ...393
Reverse transition relation is NOT exact ! Due to transitions t16, t33, t50, t67, t84, t101, t118, t135, t152, t169, t186, t203, t220, t237, t254, Interse...247
(forward)formula 0,1,0.379222,9624,1,0,541,32266,533,264,4321,23039,529
FORMULA Dekker-PT-015-CTLCardinality-2024-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 7 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:31:37] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:37] [INFO ] Invariant cache hit.
[2026-05-24 15:31:37] [INFO ] Implicit Places using invariants in 191 ms returned [30, 33, 36, 41, 44, 49, 56, 59]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 192 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 255/255 transitions.
Applied a total of 0 rules in 5 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 205 ms. Remains : 60/68 places, 255/255 transitions.
[2026-05-24 15:31:37] [INFO ] Flatten gal took : 17 ms
[2026-05-24 15:31:37] [INFO ] Flatten gal took : 17 ms
[2026-05-24 15:31:38] [INFO ] Input system was already deterministic with 255 transitions.
[2026-05-24 15:31:38] [INFO ] Flatten gal took : 18 ms
[2026-05-24 15:31:38] [INFO ] Flatten gal took : 17 ms
[2026-05-24 15:31:38] [INFO ] Time to serialize gal into /tmp/CTLCardinality10129701489281993513.gal : 5 ms
[2026-05-24 15:31:38] [INFO ] Time to serialize properties into /tmp/CTLCardinality6989800122275710612.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality10129701489281993513.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality6989800122275710612.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,278528,0.109554,6804,2,187,5,4281,6,0,498,2016,0


Converting to forward existential form...Done !
original formula: (AF((!(E(EX((p3_6==1)) U ((((p1_6==0)||(flag_1_12==1))&&(flag_0_4==0))&&((flag_1_9==1)&&(flag_1_0==1))))) * (flag_1_4==1))) + EX(TRUE))
=> equivalent forward existential formula: [FwdG((Init * !(EX(TRUE))),!((!(E(EX((p3_6==1)) U ((((p1_6==0)||(flag_1_12==1))&&(flag_0_4==0))&&((flag_1_9==1)&...201
Reverse transition relation is NOT exact ! Due to transitions t16, t33, t50, t67, t84, t101, t118, t135, t152, t169, t186, t203, t220, t237, t254, Interse...247
(forward)formula 0,1,0.460182,11284,1,0,560,42137,537,283,4292,33278,551
FORMULA Dekker-PT-015-CTLCardinality-2024-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 19 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:31:38] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:38] [INFO ] Invariant cache hit.
[2026-05-24 15:31:38] [INFO ] Implicit Places using invariants in 179 ms returned [30, 36, 41, 56, 59]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 181 ms to find 5 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 63/68 places, 255/255 transitions.
Applied a total of 0 rules in 18 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 218 ms. Remains : 63/68 places, 255/255 transitions.
[2026-05-24 15:31:38] [INFO ] Flatten gal took : 17 ms
[2026-05-24 15:31:38] [INFO ] Flatten gal took : 22 ms
[2026-05-24 15:31:38] [INFO ] Input system was already deterministic with 255 transitions.
[2026-05-24 15:31:38] [INFO ] Flatten gal took : 16 ms
[2026-05-24 15:31:38] [INFO ] Flatten gal took : 14 ms
[2026-05-24 15:31:38] [INFO ] Time to serialize gal into /tmp/CTLCardinality15661052159215410552.gal : 7 ms
[2026-05-24 15:31:38] [INFO ] Time to serialize properties into /tmp/CTLCardinality3008910520993828949.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality15661052159215410552.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality3008910520993828949.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,278528,0.103891,6844,2,199,5,4458,6,0,510,2106,0


Converting to forward existential form...Done !
original formula: EF((!(E(((p0_1==0)||(p0_7==1)) U EF(((flag_0_6==0)||(p1_3==1))))) * (p0_5==1)))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * (p0_5==1)) * !(E(((p0_1==0)||(p0_7==1)) U E(TRUE U ((flag_0_6==0)||(p1_3==1))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t16, t33, t50, t67, t84, t101, t118, t135, t152, t169, t186, t203, t220, t237, t254, Interse...247
(forward)formula 0,0,0.289462,9604,1,0,536,33249,535,259,4425,21850,525
FORMULA Dekker-PT-015-CTLCardinality-2024-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 3 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:31:39] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:39] [INFO ] Invariant cache hit.
[2026-05-24 15:31:39] [INFO ] Implicit Places using invariants in 138 ms returned [30, 33, 36, 41, 44, 49, 56, 59]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 140 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 147 ms. Remains : 60/68 places, 255/255 transitions.
[2026-05-24 15:31:39] [INFO ] Flatten gal took : 7 ms
[2026-05-24 15:31:39] [INFO ] Flatten gal took : 8 ms
[2026-05-24 15:31:39] [INFO ] Input system was already deterministic with 255 transitions.
[2026-05-24 15:31:39] [INFO ] Flatten gal took : 8 ms
[2026-05-24 15:31:39] [INFO ] Flatten gal took : 7 ms
[2026-05-24 15:31:39] [INFO ] Time to serialize gal into /tmp/CTLCardinality816307320552856056.gal : 4 ms
[2026-05-24 15:31:39] [INFO ] Time to serialize properties into /tmp/CTLCardinality11680414678723724879.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality816307320552856056.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality11680414678723724879.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,278528,0.06941,6808,2,187,5,4281,6,0,498,2016,0


Converting to forward existential form...Done !
original formula: EX(AG(EF((flag_0_13==0))))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U !(E(TRUE U (flag_0_13==0))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t16, t33, t50, t67, t84, t101, t118, t135, t152, t169, t186, t203, t220, t237, t254, Interse...247
(forward)formula 0,1,0.254614,9260,1,0,536,32040,531,258,4313,20343,521
FORMULA Dekker-PT-015-CTLCardinality-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 8 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:31:39] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:39] [INFO ] Invariant cache hit.
[2026-05-24 15:31:39] [INFO ] Implicit Places using invariants in 186 ms returned [30, 33, 36, 41, 44, 49, 56, 59]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 189 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 255/255 transitions.
Applied a total of 0 rules in 6 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 204 ms. Remains : 60/68 places, 255/255 transitions.
[2026-05-24 15:31:39] [INFO ] Flatten gal took : 9 ms
[2026-05-24 15:31:39] [INFO ] Flatten gal took : 11 ms
[2026-05-24 15:31:39] [INFO ] Input system was already deterministic with 255 transitions.
[2026-05-24 15:31:39] [INFO ] Flatten gal took : 11 ms
[2026-05-24 15:31:39] [INFO ] Flatten gal took : 10 ms
[2026-05-24 15:31:40] [INFO ] Time to serialize gal into /tmp/CTLCardinality13150239490289346052.gal : 4 ms
[2026-05-24 15:31:40] [INFO ] Time to serialize properties into /tmp/CTLCardinality7355926662064662379.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality13150239490289346052.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality7355926662064662379.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,278528,0.094099,6808,2,187,5,4281,6,0,498,2016,0


Converting to forward existential form...Done !
original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 0,0,0.098922,6808,1,0,6,4281,7,1,883,2016,1
FORMULA Dekker-PT-015-CTLCardinality-2024-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:31:40] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:40] [INFO ] Invariant cache hit.
[2026-05-24 15:31:40] [INFO ] Implicit Places using invariants in 127 ms returned [30, 33, 41, 44, 49, 56, 59]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 129 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 61/68 places, 255/255 transitions.
Applied a total of 0 rules in 1 ms. Remains 61 /61 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 133 ms. Remains : 61/68 places, 255/255 transitions.
[2026-05-24 15:31:40] [INFO ] Flatten gal took : 6 ms
[2026-05-24 15:31:40] [INFO ] Flatten gal took : 6 ms
[2026-05-24 15:31:40] [INFO ] Input system was already deterministic with 255 transitions.
[2026-05-24 15:31:40] [INFO ] Flatten gal took : 7 ms
[2026-05-24 15:31:40] [INFO ] Flatten gal took : 7 ms
[2026-05-24 15:31:40] [INFO ] Time to serialize gal into /tmp/CTLCardinality478952606147908079.gal : 2 ms
[2026-05-24 15:31:40] [INFO ] Time to serialize properties into /tmp/CTLCardinality13096007579647637440.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality478952606147908079.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13096007579647637440.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,278528,0.069347,6816,2,191,5,4316,6,0,502,2042,0


Converting to forward existential form...Done !
original formula: EG(AX(((p0_2==1)||((flag_1_9==0)&&(flag_1_0==0)))))
=> equivalent forward existential formula: [FwdG(Init,!(EX(!(((p0_2==1)||((flag_1_9==0)&&(flag_1_0==0)))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t16, t33, t50, t67, t84, t101, t118, t135, t152, t169, t186, t203, t220, t237, t254, Interse...247
(forward)formula 0,1,0.342635,12860,1,0,565,51425,533,288,4330,38592,549
FORMULA Dekker-PT-015-CTLCardinality-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:31:40] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:40] [INFO ] Invariant cache hit.
[2026-05-24 15:31:40] [INFO ] Implicit Places using invariants in 208 ms returned [30, 33, 36, 44, 49, 56, 59]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 210 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 61/68 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 61 /61 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 215 ms. Remains : 61/68 places, 255/255 transitions.
[2026-05-24 15:31:40] [INFO ] Flatten gal took : 10 ms
[2026-05-24 15:31:40] [INFO ] Flatten gal took : 12 ms
[2026-05-24 15:31:40] [INFO ] Input system was already deterministic with 255 transitions.
[2026-05-24 15:31:40] [INFO ] Flatten gal took : 12 ms
[2026-05-24 15:31:40] [INFO ] Flatten gal took : 12 ms
[2026-05-24 15:31:40] [INFO ] Time to serialize gal into /tmp/CTLCardinality4768089092035084715.gal : 4 ms
[2026-05-24 15:31:40] [INFO ] Time to serialize properties into /tmp/CTLCardinality17825414371403425149.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality4768089092035084715.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality17825414371403425149.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,278528,0.112911,6816,2,191,5,4338,6,0,502,2046,0


Converting to forward existential form...Done !
original formula: (AX(((AX(FALSE) * (AG((flag_0_6==0)) + EX((p1_10==0)))) + ((flag_1_11==0)&&(p1_13==1)))) + EF(((AX(FALSE) * (p0_4==1)) * ((((((p3_7==0)||...252
=> equivalent forward existential formula: ([(EY((EY((Init * !(E(TRUE U ((!(EX(!(FALSE))) * (p0_4==1)) * ((((((p3_7==0)||((flag_1_6==0)&&(flag_0_6==1)))&&(...551
Reverse transition relation is NOT exact ! Due to transitions t16, t33, t50, t67, t84, t101, t118, t135, t152, t169, t186, t203, t220, t237, t254, Interse...247
(forward)formula 0,0,0.368467,9556,1,0,544,31328,535,265,4344,21284,527
FORMULA Dekker-PT-015-CTLCardinality-2024-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 6 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:31:41] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:41] [INFO ] Invariant cache hit.
[2026-05-24 15:31:41] [INFO ] Implicit Places using invariants in 190 ms returned [30, 33, 36, 41, 44, 49, 56, 59]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 193 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 201 ms. Remains : 60/68 places, 255/255 transitions.
[2026-05-24 15:31:41] [INFO ] Flatten gal took : 10 ms
[2026-05-24 15:31:41] [INFO ] Flatten gal took : 11 ms
[2026-05-24 15:31:41] [INFO ] Input system was already deterministic with 255 transitions.
[2026-05-24 15:31:41] [INFO ] Flatten gal took : 11 ms
[2026-05-24 15:31:41] [INFO ] Flatten gal took : 22 ms
[2026-05-24 15:31:41] [INFO ] Time to serialize gal into /tmp/CTLCardinality6329466887164003001.gal : 3 ms
[2026-05-24 15:31:41] [INFO ] Time to serialize properties into /tmp/CTLCardinality6773966947531160396.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality6329466887164003001.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality6773966947531160396.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,278528,0.111207,6808,2,187,5,4281,6,0,498,2016,0


Converting to forward existential form...Done !
original formula: (EX(A(((flag_1_13==0)||(p3_7==1)) U (((p1_10==0)||(flag_1_6==1))&&((flag_0_12==0)||(flag_0_1==1))))) * AX(FALSE))
=> equivalent forward existential formula: ([(Init * !(EX(!((E(!((((p1_10==0)||(flag_1_6==1))&&((flag_0_12==0)||(flag_0_1==1)))) U (!(((flag_1_13==0)||(p3_...353
(forward)formula 0,0,0.119034,6808,1,0,6,4281,7,1,883,2016,1
FORMULA Dekker-PT-015-CTLCardinality-2024-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:31:41] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:31:41] [INFO ] Invariant cache hit.
[2026-05-24 15:31:42] [INFO ] Implicit Places using invariants in 229 ms returned [30, 33, 36, 41, 44, 49, 56, 59]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 231 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/68 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 235 ms. Remains : 60/68 places, 255/255 transitions.
[2026-05-24 15:31:42] [INFO ] Flatten gal took : 10 ms
[2026-05-24 15:31:42] [INFO ] Flatten gal took : 11 ms
[2026-05-24 15:31:42] [INFO ] Input system was already deterministic with 255 transitions.
[2026-05-24 15:31:42] [INFO ] Flatten gal took : 11 ms
[2026-05-24 15:31:42] [INFO ] Flatten gal took : 11 ms
[2026-05-24 15:31:42] [INFO ] Time to serialize gal into /tmp/CTLCardinality5524300505363580779.gal : 3 ms
[2026-05-24 15:31:42] [INFO ] Time to serialize properties into /tmp/CTLCardinality10172714275886456641.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality5524300505363580779.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality10172714275886456641.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,278528,0.110226,6804,2,187,5,4281,6,0,498,2016,0


Converting to forward existential form...Done !
original formula: EF((AF(AG(((EG(((p1_5==0)||(p1_7==1))) * (p3_5!=0)) * (p1_1!=1)))) * EX(AG(((p1_1!=0)&&(flag_1_0!=1))))))
=> equivalent forward existential formula: [(EY((FwdU(Init,TRUE) * !(EG(!(!(E(TRUE U !(((EG(((p1_5==0)||(p1_7==1))) * (p3_5!=0)) * (p1_1!=1)))))))))) * !(E...205
Reverse transition relation is NOT exact ! Due to transitions t16, t33, t50, t67, t84, t101, t118, t135, t152, t169, t186, t203, t220, t237, t254, Interse...247
(forward)formula 0,0,0.348886,9168,1,0,535,32128,532,257,4281,20248,520
FORMULA Dekker-PT-015-CTLCardinality-2024-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

[2026-05-24 15:31:42] [INFO ] Flatten gal took : 11 ms
[2026-05-24 15:31:42] [INFO ] Flatten gal took : 11 ms
Total runtime 53174 ms.

BK_STOP 1779636702544

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="Dekker-PT-015"
export BK_EXAMINATION="CTLCardinality"
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 2-5973"
echo " Executing tool itstools"
echo " Input is Dekker-PT-015, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r082-smll-177946993600257"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-015.tgz
mv Dekker-PT-015 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;