Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853729400492.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is AutoFlight-PT-04a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853729400492
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 432K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 29K May 29 14:32 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 AutoFlight-PT-04a-LTLFireability-00
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-01
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-02
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-03
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-04
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-05
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-06
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-07
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-08
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-09
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-10
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-11
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-12
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-13
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-14
FORMULA_NAME AutoFlight-PT-04a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748624138344

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-04a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 16:55:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-30 16:55:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 16:55:39] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2025-05-30 16:55:39] [INFO ] Transformed 107 places.
[2025-05-30 16:55:39] [INFO ] Transformed 105 transitions.
[2025-05-30 16:55:39] [INFO ] Found NUPN structural information;
[2025-05-30 16:55:39] [INFO ] Parsed PT model containing 107 places and 105 transitions and 340 arcs in 145 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 20 transitions
Reduce redundant transitions removed 20 transitions.
FORMULA AutoFlight-PT-04a-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-04a-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-04a-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 85/85 transitions.
Applied a total of 0 rules in 9 ms. Remains 107 /107 variables (removed 0) and now considering 85/85 (removed 0) transitions.
// Phase 1: matrix 85 rows 107 cols
[2025-05-30 16:55:39] [INFO ] Computed 28 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:40] [INFO ] Implicit Places using invariants in 313 ms returned [7, 14, 21, 28, 31, 37, 40, 62, 86, 92, 98, 104]
Discarding 12 places :
Implicit Place search using SMT only with invariants took 353 ms to find 12 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 95/107 places, 85/85 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 92 transition count 82
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 92 transition count 82
Applied a total of 6 rules in 8 ms. Remains 92 /95 variables (removed 3) and now considering 82/85 (removed 3) transitions.
// Phase 1: matrix 82 rows 92 cols
[2025-05-30 16:55:40] [INFO ] Computed 16 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:40] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-05-30 16:55:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:40] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-30 16:55:40] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 92/107 places, 82/85 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 528 ms. Remains : 92/107 places, 82/85 transitions.
Support contains 31 out of 92 places after structural reductions.
[2025-05-30 16:55:40] [INFO ] Flatten gal took : 24 ms
[2025-05-30 16:55:40] [INFO ] Flatten gal took : 9 ms
[2025-05-30 16:55:40] [INFO ] Input system was already deterministic with 82 transitions.
RANDOM walk for 40000 steps (1333 resets) in 1220 ms. (32 steps per ms) remains 2/30 properties
BEST_FIRST walk for 40003 steps (249 resets) in 175 ms. (227 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40002 steps (227 resets) in 221 ms. (180 steps per ms) remains 1/1 properties
[2025-05-30 16:55:41] [INFO ] Invariant cache hit.
[2025-05-30 16:55:41] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp12 is UNSAT
After SMT solving in domain Real declared 60/174 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 2/16 constraints, State Equation: 0/92 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 93ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA AutoFlight-PT-04a-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA AutoFlight-PT-04a-LTLFireability-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA AutoFlight-PT-04a-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 2 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((G(p0)||((G(p0)||(p0&&F(!p1)))&&G(p2)))) U (F(!p2)||G(!p0))))'
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 92/92 places, 82/82 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 0 with 23 rules applied. Total rules applied 23 place count 92 transition count 59
Reduce places removed 23 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 24 rules applied. Total rules applied 47 place count 69 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 48 place count 68 transition count 58
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 48 place count 68 transition count 52
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 60 place count 62 transition count 52
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 61 place count 61 transition count 51
Iterating global reduction 3 with 1 rules applied. Total rules applied 62 place count 61 transition count 51
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 78 place count 53 transition count 43
Applied a total of 78 rules in 23 ms. Remains 53 /92 variables (removed 39) and now considering 43/82 (removed 39) transitions.
// Phase 1: matrix 43 rows 53 cols
[2025-05-30 16:55:41] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:41] [INFO ] Implicit Places using invariants in 47 ms returned [18, 19, 20, 21, 36, 52]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 48 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 47/92 places, 43/82 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 47 transition count 39
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 9 place count 43 transition count 38
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 10 place count 42 transition count 38
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 3 with 2 rules applied. Total rules applied 12 place count 41 transition count 37
Applied a total of 12 rules in 7 ms. Remains 41 /47 variables (removed 6) and now considering 37/43 (removed 6) transitions.
// Phase 1: matrix 37 rows 41 cols
[2025-05-30 16:55:41] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:41] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-05-30 16:55:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:41] [INFO ] State equation strengthened by 7 read => feed constraints.
[2025-05-30 16:55:41] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 41/92 places, 37/82 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 166 ms. Remains : 41/92 places, 37/82 transitions.
Stuttering acceptance computed with spot in 204 ms :[(AND p0 p2), (AND p2 (NOT p0) p1)]
Running random walk in product with property : AutoFlight-PT-04a-LTLFireability-01
Product exploration explored 100000 steps with 50000 reset in 231 ms.
Product exploration explored 100000 steps with 50000 reset in 156 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p2 p0 (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 (NOT p0)))), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT (AND p2 p0 p1))), (X p0), (X (NOT (AND p2 p0))), (X (NOT p1)), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p2 p0 p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p2 p0))), (X (X (NOT (AND p2 p0))))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 13 factoid took 16 ms. Reduced automaton from 2 states, 5 edges and 3 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutoFlight-PT-04a-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutoFlight-PT-04a-LTLFireability-01 finished in 842 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 92 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 92/92 places, 82/82 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 26 transitions
Trivial Post-agglo rules discarded 26 transitions
Performed 26 trivial Post agglomeration. Transition count delta: 26
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 92 transition count 56
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 1 with 26 rules applied. Total rules applied 52 place count 66 transition count 56
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 52 place count 66 transition count 48
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 68 place count 58 transition count 48
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 69 place count 57 transition count 47
Iterating global reduction 2 with 1 rules applied. Total rules applied 70 place count 57 transition count 47
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 86 place count 49 transition count 39
Applied a total of 86 rules in 13 ms. Remains 49 /92 variables (removed 43) and now considering 39/82 (removed 43) transitions.
// Phase 1: matrix 39 rows 49 cols
[2025-05-30 16:55:42] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:42] [INFO ] Implicit Places using invariants in 52 ms returned [18, 19, 20, 21, 22, 33, 48]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 53 ms to find 7 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 42/92 places, 39/82 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 35
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 38 transition count 35
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 9 place count 37 transition count 34
Iterating global reduction 2 with 1 rules applied. Total rules applied 10 place count 37 transition count 34
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 12 place count 36 transition count 33
Applied a total of 12 rules in 8 ms. Remains 36 /42 variables (removed 6) and now considering 33/39 (removed 6) transitions.
// Phase 1: matrix 33 rows 36 cols
[2025-05-30 16:55:42] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:42] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-05-30 16:55:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:42] [INFO ] State equation strengthened by 7 read => feed constraints.
[2025-05-30 16:55:42] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 36/92 places, 33/82 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 150 ms. Remains : 36/92 places, 33/82 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : AutoFlight-PT-04a-LTLFireability-02
Stuttering criterion allowed to conclude after 19 steps with 0 reset in 1 ms.
FORMULA AutoFlight-PT-04a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-04a-LTLFireability-02 finished in 206 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(X(p1)))&&G((F(G(!p2)) U p3))))'
Support contains 6 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 82/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 91 transition count 81
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 91 transition count 81
Applied a total of 2 rules in 9 ms. Remains 91 /92 variables (removed 1) and now considering 81/82 (removed 1) transitions.
// Phase 1: matrix 81 rows 91 cols
[2025-05-30 16:55:42] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:42] [INFO ] Implicit Places using invariants in 51 ms returned [29, 90]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 53 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 89/92 places, 81/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 89 /89 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 64 ms. Remains : 89/92 places, 81/82 transitions.
Stuttering acceptance computed with spot in 408 ms :[(OR (NOT p3) (NOT p1)), (NOT p1), p2, (NOT p3), (NOT p3), (NOT p1), (NOT p1), true, (NOT p1), (NOT p1)]
Running random walk in product with property : AutoFlight-PT-04a-LTLFireability-03
Entered a terminal (fully accepting) state of product in 8948 steps with 381 reset in 25 ms.
FORMULA AutoFlight-PT-04a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-04a-LTLFireability-03 finished in 522 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U (p1||X(X(X(p2))))))'
Support contains 3 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 82/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 91 transition count 81
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 91 transition count 81
Applied a total of 2 rules in 7 ms. Remains 91 /92 variables (removed 1) and now considering 81/82 (removed 1) transitions.
[2025-05-30 16:55:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:43] [INFO ] Implicit Places using invariants in 50 ms returned [29, 72, 90]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 51 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 88/92 places, 81/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 87 transition count 80
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 87 transition count 80
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 86 transition count 79
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 86 transition count 79
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 85 transition count 78
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 85 transition count 78
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 84 transition count 77
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 84 transition count 77
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 83 transition count 76
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 83 transition count 76
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 82 transition count 75
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 82 transition count 75
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 81 transition count 74
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 81 transition count 74
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 80 transition count 73
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 80 transition count 73
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 79 transition count 72
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 79 transition count 72
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 78 transition count 71
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 78 transition count 71
Applied a total of 20 rules in 15 ms. Remains 78 /88 variables (removed 10) and now considering 71/81 (removed 10) transitions.
// Phase 1: matrix 71 rows 78 cols
[2025-05-30 16:55:43] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:43] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-30 16:55:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:43] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 106 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 78/92 places, 71/82 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 179 ms. Remains : 78/92 places, 71/82 transitions.
Stuttering acceptance computed with spot in 442 ms :[(AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (NOT p2), true, (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-04a-LTLFireability-04
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-04a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-04a-LTLFireability-04 finished in 647 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U (G(p0)||(p0&&((!p1&&X(X(X(p1)))) U (X(X(X(p1)))&&p2))))))'
Support contains 5 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 92 /92 variables (removed 0) and now considering 82/82 (removed 0) transitions.
// Phase 1: matrix 82 rows 92 cols
[2025-05-30 16:55:43] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:43] [INFO ] Implicit Places using invariants in 46 ms returned [29, 72]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 47 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 90/92 places, 82/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 89 transition count 81
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 89 transition count 81
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 88 transition count 80
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 88 transition count 80
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 87 transition count 79
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 87 transition count 79
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 86 transition count 78
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 86 transition count 78
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 85 transition count 77
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 85 transition count 77
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 84 transition count 76
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 84 transition count 76
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 83 transition count 75
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 83 transition count 75
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 82 transition count 74
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 82 transition count 74
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 81 transition count 73
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 81 transition count 73
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 80 transition count 72
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 80 transition count 72
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 79 transition count 71
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 79 transition count 71
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 78 transition count 70
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 78 transition count 70
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 77 transition count 69
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 77 transition count 69
Applied a total of 26 rules in 27 ms. Remains 77 /90 variables (removed 13) and now considering 69/82 (removed 13) transitions.
// Phase 1: matrix 69 rows 77 cols
[2025-05-30 16:55:44] [INFO ] Computed 14 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:44] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-05-30 16:55:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:44] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 77/92 places, 69/82 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 185 ms. Remains : 77/92 places, 69/82 transitions.
Stuttering acceptance computed with spot in 895 ms :[(NOT p0), true, (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (OR (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : AutoFlight-PT-04a-LTLFireability-06
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-04a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-04a-LTLFireability-06 finished in 1129 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((p0 U p1) U X(X(!p2))) U p3))'
Support contains 5 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 82/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 91 transition count 81
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 91 transition count 81
Applied a total of 2 rules in 5 ms. Remains 91 /92 variables (removed 1) and now considering 81/82 (removed 1) transitions.
// Phase 1: matrix 81 rows 91 cols
[2025-05-30 16:55:45] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:45] [INFO ] Implicit Places using invariants in 56 ms returned [29, 72, 90]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 58 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 88/92 places, 81/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 87 transition count 80
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 87 transition count 80
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 86 transition count 79
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 86 transition count 79
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 85 transition count 78
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 85 transition count 78
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 84 transition count 77
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 84 transition count 77
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 83 transition count 76
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 83 transition count 76
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 82 transition count 75
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 82 transition count 75
Applied a total of 12 rules in 6 ms. Remains 82 /88 variables (removed 6) and now considering 75/81 (removed 6) transitions.
// Phase 1: matrix 75 rows 82 cols
[2025-05-30 16:55:45] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:45] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-30 16:55:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:45] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 82/92 places, 75/82 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 163 ms. Remains : 82/92 places, 75/82 transitions.
Stuttering acceptance computed with spot in 430 ms :[(NOT p3), p2, (AND (NOT p1) p2), p2, p2, true, (AND (NOT p1) p2), p2, (AND (NOT p1) p2), p2, (NOT p1)]
Running random walk in product with property : AutoFlight-PT-04a-LTLFireability-08
Product exploration explored 100000 steps with 39986 reset in 175 ms.
Product exploration explored 100000 steps with 39999 reset in 189 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p3) (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND (NOT p3) (NOT p1) (NOT p0)))), (X (AND (NOT p1) p0)), (X (OR p1 p0)), (X p3), (X (NOT (AND (NOT p3) (NOT p1) p0))), (X (NOT (OR (AND (NOT p3) p1) (AND (NOT p3) p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p3) (NOT p1) (NOT p0))))), (X (X (NOT p2))), (X (X (NOT (OR (AND p1 p2) (AND p0 p2))))), (X (X (NOT (AND (NOT p1) p0 p2)))), (X (X (NOT (AND (NOT p1) (NOT p0) p2)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p3) (NOT p1) p0))), (X (X (NOT (AND (NOT p3) (NOT p1) p0)))), (X (X (OR (AND (NOT p3) p1) (AND (NOT p3) p0)))), (X (X (NOT (OR (AND (NOT p3) p1) (AND (NOT p3) p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (OR p1 p0))), (X (X (NOT (OR p1 p0)))), (X (X (NOT p3))), (X (X p3)), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 16 factoid took 21 ms. Reduced automaton from 11 states, 22 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutoFlight-PT-04a-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutoFlight-PT-04a-LTLFireability-08 finished in 1020 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(X(X(F(p1))))||p0))))'
Support contains 3 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 82/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 91 transition count 81
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 91 transition count 81
Applied a total of 2 rules in 3 ms. Remains 91 /92 variables (removed 1) and now considering 81/82 (removed 1) transitions.
// Phase 1: matrix 81 rows 91 cols
[2025-05-30 16:55:46] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:46] [INFO ] Implicit Places using invariants in 53 ms returned [29, 72]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 54 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 89/92 places, 81/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 89 /89 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 59 ms. Remains : 89/92 places, 81/82 transitions.
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : AutoFlight-PT-04a-LTLFireability-09
Stuttering criterion allowed to conclude after 48 steps with 0 reset in 1 ms.
FORMULA AutoFlight-PT-04a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-04a-LTLFireability-09 finished in 270 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(F(p0))||((!p1 U (p2||G(!p1))) U (((!p1 U (p2||G(!p1)))&&p3)||G((!p1 U (p2||G(!p1))))))))))'
Support contains 5 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 82/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 91 transition count 81
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 91 transition count 81
Applied a total of 2 rules in 1 ms. Remains 91 /92 variables (removed 1) and now considering 81/82 (removed 1) transitions.
[2025-05-30 16:55:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:46] [INFO ] Implicit Places using invariants in 47 ms returned [72, 90]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 48 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 89/92 places, 81/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 88 transition count 80
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 88 transition count 80
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 87 transition count 79
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 87 transition count 79
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 86 transition count 78
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 86 transition count 78
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 85 transition count 77
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 85 transition count 77
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 84 transition count 76
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 84 transition count 76
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 83 transition count 75
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 83 transition count 75
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 82 transition count 74
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 82 transition count 74
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 81 transition count 73
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 81 transition count 73
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 80 transition count 72
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 80 transition count 72
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 79 transition count 71
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 79 transition count 71
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 78 transition count 70
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 78 transition count 70
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 77 transition count 69
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 77 transition count 69
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 76 transition count 68
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 76 transition count 68
Applied a total of 26 rules in 7 ms. Remains 76 /89 variables (removed 13) and now considering 68/81 (removed 13) transitions.
// Phase 1: matrix 68 rows 76 cols
[2025-05-30 16:55:46] [INFO ] Computed 14 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:46] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-05-30 16:55:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-30 16:55:46] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 76/92 places, 68/82 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 152 ms. Remains : 76/92 places, 68/82 transitions.
Stuttering acceptance computed with spot in 169 ms :[(AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2))]
Running random walk in product with property : AutoFlight-PT-04a-LTLFireability-10
Product exploration explored 100000 steps with 33333 reset in 158 ms.
Product exploration explored 100000 steps with 33333 reset in 158 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p2 (NOT p1) (NOT p3) p0), (X p2), (X (NOT p3)), (X (OR (AND (NOT p2) p1) (NOT p3))), (X (NOT (AND (NOT p2) (NOT p1) p3))), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p2) p1 (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (NOT (OR (AND p2 (NOT p3) (NOT p0)) (AND (NOT p1) (NOT p3) (NOT p0)))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p2) (NOT p1) p3 (NOT p0)))))]
False Knowledge obtained : [(X (X p3)), (X (X (NOT p3))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 12 factoid took 109 ms. Reduced automaton from 4 states, 8 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutoFlight-PT-04a-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutoFlight-PT-04a-LTLFireability-10 finished in 770 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(p1))))'
Support contains 3 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 82/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 91 transition count 81
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 91 transition count 81
Applied a total of 2 rules in 4 ms. Remains 91 /92 variables (removed 1) and now considering 81/82 (removed 1) transitions.
// Phase 1: matrix 81 rows 91 cols
[2025-05-30 16:55:47] [INFO ] Computed 16 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:47] [INFO ] Implicit Places using invariants in 46 ms returned [29, 72, 90]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 47 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 88/92 places, 81/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 87 transition count 80
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 87 transition count 80
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 86 transition count 79
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 86 transition count 79
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 85 transition count 78
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 85 transition count 78
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 84 transition count 77
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 84 transition count 77
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 83 transition count 76
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 83 transition count 76
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 82 transition count 75
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 82 transition count 75
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 81 transition count 74
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 81 transition count 74
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 80 transition count 73
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 80 transition count 73
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 79 transition count 72
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 79 transition count 72
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 78 transition count 71
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 78 transition count 71
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 77 transition count 70
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 77 transition count 70
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 76 transition count 69
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 76 transition count 69
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 75 transition count 68
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 75 transition count 68
Applied a total of 26 rules in 21 ms. Remains 75 /88 variables (removed 13) and now considering 68/81 (removed 13) transitions.
// Phase 1: matrix 68 rows 75 cols
[2025-05-30 16:55:47] [INFO ] Computed 13 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:47] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-05-30 16:55:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:47] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 75/92 places, 68/82 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 173 ms. Remains : 75/92 places, 68/82 transitions.
Stuttering acceptance computed with spot in 142 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AutoFlight-PT-04a-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-04a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-04a-LTLFireability-11 finished in 332 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 3 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 82/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 91 transition count 81
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 91 transition count 81
Applied a total of 2 rules in 1 ms. Remains 91 /92 variables (removed 1) and now considering 81/82 (removed 1) transitions.
// Phase 1: matrix 81 rows 91 cols
[2025-05-30 16:55:47] [INFO ] Computed 16 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:47] [INFO ] Implicit Places using invariants in 57 ms returned [29, 72, 90]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 58 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 88/92 places, 81/82 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 87 transition count 80
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 87 transition count 80
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 86 transition count 79
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 86 transition count 79
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 85 transition count 78
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 85 transition count 78
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 84 transition count 77
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 84 transition count 77
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 83 transition count 76
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 83 transition count 76
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 82 transition count 75
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 82 transition count 75
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 81 transition count 74
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 81 transition count 74
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 80 transition count 73
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 80 transition count 73
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 79 transition count 72
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 79 transition count 72
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 78 transition count 71
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 78 transition count 71
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 77 transition count 70
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 77 transition count 70
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 76 transition count 69
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 76 transition count 69
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 75 transition count 68
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 75 transition count 68
Applied a total of 26 rules in 7 ms. Remains 75 /88 variables (removed 13) and now considering 68/81 (removed 13) transitions.
// Phase 1: matrix 68 rows 75 cols
[2025-05-30 16:55:47] [INFO ] Computed 13 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:47] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-05-30 16:55:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:55:47] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 75/92 places, 68/82 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 161 ms. Remains : 75/92 places, 68/82 transitions.
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-04a-LTLFireability-15
Stuttering criterion allowed to conclude after 34 steps with 1 reset in 0 ms.
FORMULA AutoFlight-PT-04a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-04a-LTLFireability-15 finished in 249 ms.
All properties solved by simple procedures.
Total runtime 8116 ms.

BK_STOP 1748624147745

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -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="AutoFlight-PT-04a"
export BK_EXAMINATION="LTLFireability"
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 2-5832"
echo " Executing tool itstools"
echo " Input is AutoFlight-PT-04a, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r002-tall-174853729400492"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-04a.tgz
mv AutoFlight-PT-04a execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;