Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853729600620.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 AutonomousCar-PT-02a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853729600620
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K 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 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 174K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 23K 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 AutonomousCar-PT-02a-LTLFireability-00
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-01
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-02
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-03
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-04
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-05
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-06
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-07
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-08
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-09
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-10
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-11
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-12
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-13
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-14
FORMULA_NAME AutonomousCar-PT-02a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748647440063

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutonomousCar-PT-02a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 23:24:01] [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 23:24:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 23:24:01] [INFO ] Load time of PNML (sax parser for PT used): 48 ms
[2025-05-30 23:24:01] [INFO ] Transformed 33 places.
[2025-05-30 23:24:01] [INFO ] Transformed 69 transitions.
[2025-05-30 23:24:01] [INFO ] Found NUPN structural information;
[2025-05-30 23:24:01] [INFO ] Parsed PT model containing 33 places and 69 transitions and 368 arcs in 134 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 5 formulas.
Ensure Unique test removed 23 transitions
Reduce redundant transitions removed 23 transitions.
FORMULA AutonomousCar-PT-02a-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02a-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02a-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02a-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02a-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 out of 33 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 33/33 places, 46/46 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 32 transition count 45
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 32 transition count 45
Applied a total of 2 rules in 20 ms. Remains 32 /33 variables (removed 1) and now considering 45/46 (removed 1) transitions.
// Phase 1: matrix 45 rows 32 cols
[2025-05-30 23:24:01] [INFO ] Computed 6 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:01] [INFO ] Implicit Places using invariants in 148 ms returned []
[2025-05-30 23:24:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:01] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-05-30 23:24:01] [INFO ] Implicit Places using invariants and state equation in 70 ms returned [28]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 250 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 31/33 places, 45/46 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 286 ms. Remains : 31/33 places, 45/46 transitions.
Support contains 23 out of 31 places after structural reductions.
[2025-05-30 23:24:01] [INFO ] Flatten gal took : 33 ms
[2025-05-30 23:24:01] [INFO ] Flatten gal took : 7 ms
[2025-05-30 23:24:01] [INFO ] Input system was already deterministic with 45 transitions.
Support contains 22 out of 31 places (down from 23) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 28 to 27
RANDOM walk for 40000 steps (2575 resets) in 1013 ms. (39 steps per ms) remains 2/27 properties
BEST_FIRST walk for 40004 steps (955 resets) in 352 ms. (113 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (923 resets) in 237 ms. (168 steps per ms) remains 1/2 properties
// Phase 1: matrix 45 rows 31 cols
[2025-05-30 23:24:02] [INFO ] Computed 5 invariants in 1 ms
[2025-05-30 23:24:02] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp18 is UNSAT
After SMT solving in domain Real declared 23/76 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 4/5 constraints, State Equation: 0/31 constraints, ReadFeed: 0/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
Computed a total of 3 stabilizing places and 2 stable transitions
FORMULA AutonomousCar-PT-02a-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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&&(p1||G(p2)))) U X(p3))||(p1 U p4))))'
Support contains 9 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 45/45 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 29 transition count 39
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 29 transition count 39
Applied a total of 4 rules in 1 ms. Remains 29 /31 variables (removed 2) and now considering 39/45 (removed 6) transitions.
// Phase 1: matrix 39 rows 29 cols
[2025-05-30 23:24:03] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:03] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-05-30 23:24:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:03] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-05-30 23:24:03] [INFO ] Implicit Places using invariants and state equation in 55 ms returned [27]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 98 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/31 places, 39/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 39/39 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 100 ms. Remains : 28/31 places, 39/45 transitions.
Stuttering acceptance computed with spot in 662 ms :[(AND (NOT p3) (NOT p4)), (AND (NOT p3) (NOT p4)), (NOT p3), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (AND (NOT p3) (NOT p4)), (OR (AND (NOT p1) (NOT p2) (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p3) (NOT p4))), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p2) (NOT p3))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2) (NOT p4)) (AND (NOT p0) (NOT p4)))]
Running random walk in product with property : AutonomousCar-PT-02a-LTLFireability-02
Stuttering criterion allowed to conclude after 9 steps with 0 reset in 2 ms.
FORMULA AutonomousCar-PT-02a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02a-LTLFireability-02 finished in 843 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 U (p1||G(p0)))||(p2&&X(p3))))))'
Support contains 6 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 45/45 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 42
Applied a total of 2 rules in 4 ms. Remains 30 /31 variables (removed 1) and now considering 42/45 (removed 3) transitions.
// Phase 1: matrix 42 rows 30 cols
[2025-05-30 23:24:03] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:03] [INFO ] Implicit Places using invariants in 46 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 29/31 places, 42/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 53 ms. Remains : 29/31 places, 42/45 transitions.
Stuttering acceptance computed with spot in 135 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
Running random walk in product with property : AutonomousCar-PT-02a-LTLFireability-03
Product exploration explored 100000 steps with 50000 reset in 222 ms.
Product exploration explored 100000 steps with 50000 reset in 129 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Computed a total of 2 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND p2 p1 p0 (NOT p3)), (X p2), (X (NOT (AND p2 (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0)))), (X (NOT (AND p2 (NOT p1) p0))), (X (NOT (AND (NOT p2) (NOT p1) p0))), (X p0), (X p1), (X (X p2)), (X (X p3)), (X (X (NOT (AND p2 (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND p2 (NOT p1) (NOT p0))))), (X (X (NOT (AND p2 (NOT p1) (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (NOT (AND p2 (NOT p1) p0)))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p1) p0 (NOT p3))))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 20 factoid took 19 ms. Reduced automaton from 3 states, 9 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutonomousCar-PT-02a-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutonomousCar-PT-02a-LTLFireability-03 finished in 586 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(X((X(X(p0))||G(p1)))))'
Support contains 5 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 45/45 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 42
Applied a total of 2 rules in 3 ms. Remains 30 /31 variables (removed 1) and now considering 42/45 (removed 3) transitions.
[2025-05-30 23:24:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:04] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-05-30 23:24:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:04] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-05-30 23:24:04] [INFO ] Implicit Places using invariants and state equation in 60 ms returned [28]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 93 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 29/31 places, 42/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 97 ms. Remains : 29/31 places, 42/45 transitions.
Stuttering acceptance computed with spot in 316 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p0), true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-02a-LTLFireability-04
Entered a terminal (fully accepting) state of product in 63 steps with 6 reset in 1 ms.
FORMULA AutonomousCar-PT-02a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02a-LTLFireability-04 finished in 430 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(((F(p0) U G(p1))&&G(F(p2)))))'
Support contains 5 out of 31 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 45/45 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 31 transition count 41
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 27 transition count 41
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 9 place count 26 transition count 38
Iterating global reduction 2 with 1 rules applied. Total rules applied 10 place count 26 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 2 with 2 rules applied. Total rules applied 12 place count 25 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
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 14 place count 24 transition count 37
Applied a total of 14 rules in 19 ms. Remains 24 /31 variables (removed 7) and now considering 37/45 (removed 8) transitions.
// Phase 1: matrix 37 rows 24 cols
[2025-05-30 23:24:04] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:04] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-05-30 23:24:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:04] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-05-30 23:24:04] [INFO ] Implicit Places using invariants and state equation in 52 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 86 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 23/31 places, 37/45 transitions.
Applied a total of 0 rules in 6 ms. Remains 23 /23 variables (removed 0) and now considering 37/37 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 111 ms. Remains : 23/31 places, 37/45 transitions.
Stuttering acceptance computed with spot in 108 ms :[(OR (NOT p2) (NOT p1)), (NOT p2), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-02a-LTLFireability-05
Stuttering criterion allowed to conclude after 15 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-02a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02a-LTLFireability-05 finished in 240 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) U p1)&&F(p2)&&F(p3)))'
Support contains 7 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 45/45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 31 transition count 42
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 28 transition count 42
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 8 place count 26 transition count 36
Iterating global reduction 2 with 2 rules applied. Total rules applied 10 place count 26 transition count 36
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 25 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
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 14 place count 24 transition count 35
Applied a total of 14 rules in 10 ms. Remains 24 /31 variables (removed 7) and now considering 35/45 (removed 10) transitions.
// Phase 1: matrix 35 rows 24 cols
[2025-05-30 23:24:05] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:05] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-05-30 23:24:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:05] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-05-30 23:24:05] [INFO ] Implicit Places using invariants and state equation in 45 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 75 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 23/31 places, 35/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 86 ms. Remains : 23/31 places, 35/45 transitions.
Stuttering acceptance computed with spot in 205 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), p0, (NOT p1), (NOT p2), (NOT p3)]
Running random walk in product with property : AutonomousCar-PT-02a-LTLFireability-07
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-02a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02a-LTLFireability-07 finished in 306 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(X(G(!p0))))'
Support contains 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 45/45 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 42
Applied a total of 2 rules in 2 ms. Remains 30 /31 variables (removed 1) and now considering 42/45 (removed 3) transitions.
// Phase 1: matrix 42 rows 30 cols
[2025-05-30 23:24:05] [INFO ] Computed 5 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:05] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-05-30 23:24:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:05] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-05-30 23:24:05] [INFO ] Implicit Places using invariants and state equation in 44 ms returned [28]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 87 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 29/31 places, 42/45 transitions.
Applied a total of 0 rules in 0 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 90 ms. Remains : 29/31 places, 42/45 transitions.
Stuttering acceptance computed with spot in 113 ms :[true, p0, p0, p0]
Running random walk in product with property : AutonomousCar-PT-02a-LTLFireability-09
Entered a terminal (fully accepting) state of product in 25 steps with 1 reset in 0 ms.
FORMULA AutonomousCar-PT-02a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02a-LTLFireability-09 finished in 222 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((F((X(F(X(p0))) U p1)) U X(p2))))'
Support contains 5 out of 31 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 45/45 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 42
Applied a total of 2 rules in 4 ms. Remains 30 /31 variables (removed 1) and now considering 42/45 (removed 3) transitions.
// Phase 1: matrix 42 rows 30 cols
[2025-05-30 23:24:05] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:05] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-30 23:24:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:05] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-05-30 23:24:05] [INFO ] Implicit Places using invariants and state equation in 50 ms returned [28]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 87 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 29/31 places, 42/45 transitions.
Applied a total of 0 rules in 0 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 91 ms. Remains : 29/31 places, 42/45 transitions.
Stuttering acceptance computed with spot in 147 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-02a-LTLFireability-10
Product exploration explored 100000 steps with 40055 reset in 194 ms.
Product exploration explored 100000 steps with 40014 reset in 145 ms.
Computed a total of 3 stabilizing places and 2 stable transitions
Computed a total of 3 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND (NOT p1) p2), (X p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 100 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 180 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
RANDOM walk for 428 steps (26 resets) in 8 ms. (47 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p1) p2), (X p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT p2)), (F (NOT (OR p2 p1))), (F p1)]
Knowledge based reduction with 7 factoid took 183 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 165 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 161 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Support contains 5 out of 29 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
// Phase 1: matrix 42 rows 29 cols
[2025-05-30 23:24:07] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:07] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-30 23:24:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:07] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-05-30 23:24:07] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Running 41 sub problems to find dead transitions.
[2025-05-30 23:24:07] [INFO ] Invariant cache hit.
[2025-05-30 23:24:07] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/29 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (OVERLAPS) 41/70 variables, 29/33 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 16/49 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:07] [INFO ] Deduced a trap composed of 8 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:07] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:07] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/70 variables, 3/52 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (OVERLAPS) 1/71 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/71 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 9 (OVERLAPS) 0/71 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 53 constraints, problems are : Problem set: 0 solved, 41 unsolved in 1209 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 29/29 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/29 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (OVERLAPS) 41/70 variables, 29/36 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/70 variables, 16/52 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 41/93 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:08] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/70 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 9 (OVERLAPS) 1/71 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/71 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 11 (OVERLAPS) 0/71 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 95 constraints, problems are : Problem set: 0 solved, 41 unsolved in 1459 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 29/29 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2693ms problems are : Problem set: 0 solved, 41 unsolved
Search for dead transitions found 0 dead transitions in 2695ms
Finished structural reductions in LTL mode , in 1 iterations and 2770 ms. Remains : 29/29 places, 42/42 transitions.
Computed a total of 3 stabilizing places and 2 stable transitions
Computed a total of 3 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND (NOT p1) p2), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT p1)), (X (X p2)), (X (X (NOT p1))), (X (X (NOT (AND (NOT p2) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 112 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 149 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
RANDOM walk for 502 steps (29 resets) in 8 ms. (55 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p1) p2), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT p1)), (X (X p2)), (X (X (NOT p1))), (X (X (NOT (AND (NOT p2) (NOT p1)))))]
False Knowledge obtained : [(F (NOT p2)), (F (NOT (OR p2 p1))), (F p1)]
Knowledge based reduction with 7 factoid took 210 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 164 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 158 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 171 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Product exploration explored 100000 steps with 39968 reset in 101 ms.
Product exploration explored 100000 steps with 39959 reset in 96 ms.
Applying partial POR strategy [false, true, false, true]
Stuttering acceptance computed with spot in 164 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Support contains 5 out of 29 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 29 transition count 42
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 3 place count 29 transition count 44
Deduced a syphon composed of 4 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 29 transition count 44
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 28 transition count 41
Deduced a syphon composed of 4 places in 1 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 28 transition count 41
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 5 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 28 transition count 41
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 27 transition count 40
Deduced a syphon composed of 4 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 27 transition count 40
Deduced a syphon composed of 4 places in 0 ms
Applied a total of 9 rules in 13 ms. Remains 27 /29 variables (removed 2) and now considering 40/42 (removed 2) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:24:11] [INFO ] Redundant transitions in 0 ms returned []
Running 39 sub problems to find dead transitions.
// Phase 1: matrix 40 rows 27 cols
[2025-05-30 23:24:11] [INFO ] Computed 4 invariants in 1 ms
[2025-05-30 23:24:11] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/27 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:11] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 2 ms to minimize.
Problem TDEAD5 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 1/5 constraints. Problems are: Problem set: 1 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 38 unsolved
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD21 is UNSAT
At refinement iteration 4 (OVERLAPS) 39/66 variables, 27/32 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 15/47 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/66 variables, 0/47 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 7 (OVERLAPS) 1/67 variables, 1/48 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/67 variables, 0/48 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 9 (OVERLAPS) 0/67 variables, 0/48 constraints. Problems are: Problem set: 6 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Real declared 67/67 variables, and 48 constraints, problems are : Problem set: 6 solved, 33 unsolved in 652 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 27/27 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 33 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 1 (OVERLAPS) 2/24 variables, 4/4 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 1/5 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/5 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 4 (OVERLAPS) 38/62 variables, 24/29 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 15/44 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/62 variables, 33/77 constraints. Problems are: Problem set: 6 solved, 33 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:12] [INFO ] Deduced a trap along path composed of 2 places in 24 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/62 variables, 1/78 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/62 variables, 0/78 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 9 (OVERLAPS) 4/66 variables, 3/81 constraints. Problems are: Problem set: 6 solved, 33 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:12] [INFO ] Deduced a trap composed of 8 places in 37 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/66 variables, 1/82 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/66 variables, 0/82 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 12 (OVERLAPS) 1/67 variables, 1/83 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/67 variables, 0/83 constraints. Problems are: Problem set: 6 solved, 33 unsolved
At refinement iteration 14 (OVERLAPS) 0/67 variables, 0/83 constraints. Problems are: Problem set: 6 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Int declared 67/67 variables, and 83 constraints, problems are : Problem set: 6 solved, 33 unsolved in 1328 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 27/27 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 33/39 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1993ms problems are : Problem set: 6 solved, 33 unsolved
Search for dead transitions found 6 dead transitions in 1994ms
Found 6 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 6 transitions
Dead transitions reduction (with SMT) removed 6 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 27/29 places, 34/42 transitions.
Graph (complete) has 111 edges and 27 vertex of which 23 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.3 ms
Discarding 4 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 12 ms. Remains 23 /27 variables (removed 4) and now considering 34/34 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/29 places, 34/42 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2026 ms. Remains : 23/29 places, 34/42 transitions.
Built C files in :
/tmp/ltsmin9967089370020946959
[2025-05-30 23:24:13] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9967089370020946959
Running compilation step : cd /tmp/ltsmin9967089370020946959;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 217 ms.
Running link step : cd /tmp/ltsmin9967089370020946959;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 40 ms.
Running LTSmin : cd /tmp/ltsmin9967089370020946959;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased3366068941693875752.hoa' '--buchi-type=spotba'
LTSmin run took 130 ms.
FORMULA AutonomousCar-PT-02a-LTLFireability-10 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-02a-LTLFireability-10 finished in 8209 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&&X(p0)))&&X(p1)))'
Support contains 6 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 45/45 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 29 transition count 39
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 29 transition count 39
Applied a total of 4 rules in 1 ms. Remains 29 /31 variables (removed 2) and now considering 39/45 (removed 6) transitions.
// Phase 1: matrix 39 rows 29 cols
[2025-05-30 23:24:13] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:13] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-05-30 23:24:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:13] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-05-30 23:24:13] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Running 38 sub problems to find dead transitions.
[2025-05-30 23:24:13] [INFO ] Invariant cache hit.
[2025-05-30 23:24:13] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (OVERLAPS) 1/29 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:14] [INFO ] Deduced a trap composed of 5 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:14] [INFO ] Deduced a trap composed of 8 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:14] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:14] [INFO ] Deduced a trap composed of 7 places in 20 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 38/67 variables, 29/38 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 14/52 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:14] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 1/68 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/68 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 10 (OVERLAPS) 0/68 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 68/68 variables, and 54 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1008 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 29/29 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (OVERLAPS) 1/29 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 38/67 variables, 29/39 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 14/53 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 38/91 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:15] [INFO ] Deduced a trap along path composed of 2 places in 27 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/67 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 1/68 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/68 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 11 (OVERLAPS) 0/68 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 68/68 variables, and 93 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1685 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 29/29 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2709ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2710ms
Starting structural reductions in LTL mode, iteration 1 : 29/31 places, 39/45 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2798 ms. Remains : 29/31 places, 39/45 transitions.
Stuttering acceptance computed with spot in 193 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p0), true]
Running random walk in product with property : AutonomousCar-PT-02a-LTLFireability-11
Entered a terminal (fully accepting) state of product in 3 steps with 1 reset in 0 ms.
FORMULA AutonomousCar-PT-02a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02a-LTLFireability-11 finished in 3006 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((G(p1)||p0))))'
Support contains 5 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 45/45 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 29 transition count 39
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 29 transition count 39
Applied a total of 4 rules in 2 ms. Remains 29 /31 variables (removed 2) and now considering 39/45 (removed 6) transitions.
[2025-05-30 23:24:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:16] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-05-30 23:24:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:16] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-05-30 23:24:16] [INFO ] Implicit Places using invariants and state equation in 41 ms returned [27]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 72 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/31 places, 39/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 39/39 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 75 ms. Remains : 28/31 places, 39/45 transitions.
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AutonomousCar-PT-02a-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 93 ms.
Product exploration explored 100000 steps with 50000 reset in 114 ms.
Computed a total of 3 stabilizing places and 2 stable transitions
Computed a total of 3 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 15 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutonomousCar-PT-02a-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutonomousCar-PT-02a-LTLFireability-12 finished in 393 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||(X(G(p2))&&p1))))'
Support contains 5 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 45/45 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 29 transition count 39
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 29 transition count 39
Applied a total of 4 rules in 2 ms. Remains 29 /31 variables (removed 2) and now considering 39/45 (removed 6) transitions.
[2025-05-30 23:24:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:17] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-05-30 23:24:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:17] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-05-30 23:24:17] [INFO ] Implicit Places using invariants and state equation in 45 ms returned [27]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 80 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/31 places, 39/45 transitions.
Applied a total of 0 rules in 0 ms. Remains 28 /28 variables (removed 0) and now considering 39/39 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 82 ms. Remains : 28/31 places, 39/45 transitions.
Stuttering acceptance computed with spot in 87 ms :[true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : AutonomousCar-PT-02a-LTLFireability-15
Entered a terminal (fully accepting) state of product in 16 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-02a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-02a-LTLFireability-15 finished in 189 ms.
All properties solved by simple procedures.
Total runtime 16193 ms.

BK_STOP 1748647457471

--------------------
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="AutonomousCar-PT-02a"
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 AutonomousCar-PT-02a, 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-174853729600620"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-02a.tgz
mv AutonomousCar-PT-02a 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 ;