Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853729700636.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-03a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853729700636
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 596K
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K 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 17K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 197K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K 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 42K 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-03a-LTLFireability-00
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-01
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-02
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-03
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-04
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-05
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-06
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-07
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-08
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-09
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-10
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-11
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-12
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-13
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-14
FORMULA_NAME AutonomousCar-PT-03a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748648116188

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-03a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 23:35:17] [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 23:35:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 23:35:17] [INFO ] Load time of PNML (sax parser for PT used): 58 ms
[2025-05-30 23:35:17] [INFO ] Transformed 41 places.
[2025-05-30 23:35:17] [INFO ] Transformed 121 transitions.
[2025-05-30 23:35:17] [INFO ] Found NUPN structural information;
[2025-05-30 23:35:17] [INFO ] Parsed PT model containing 41 places and 121 transitions and 745 arcs in 140 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 45 transitions
Reduce redundant transitions removed 45 transitions.
FORMULA AutonomousCar-PT-03a-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-03a-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 76/76 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 40 transition count 75
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 40 transition count 75
Applied a total of 2 rules in 13 ms. Remains 40 /41 variables (removed 1) and now considering 75/76 (removed 1) transitions.
// Phase 1: matrix 75 rows 40 cols
[2025-05-30 23:35:17] [INFO ] Computed 7 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:17] [INFO ] Implicit Places using invariants in 142 ms returned []
[2025-05-30 23:35:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:17] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-05-30 23:35:17] [INFO ] Implicit Places using invariants and state equation in 86 ms returned [38]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 269 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 39/41 places, 75/76 transitions.
Applied a total of 0 rules in 2 ms. Remains 39 /39 variables (removed 0) and now considering 75/75 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 296 ms. Remains : 39/41 places, 75/76 transitions.
Support contains 26 out of 39 places after structural reductions.
[2025-05-30 23:35:18] [INFO ] Flatten gal took : 32 ms
[2025-05-30 23:35:18] [INFO ] Flatten gal took : 11 ms
[2025-05-30 23:35:18] [INFO ] Input system was already deterministic with 75 transitions.
RANDOM walk for 40000 steps (2325 resets) in 1066 ms. (37 steps per ms) remains 1/27 properties
BEST_FIRST walk for 40004 steps (552 resets) in 259 ms. (153 steps per ms) remains 1/1 properties
// Phase 1: matrix 75 rows 39 cols
[2025-05-30 23:35:18] [INFO ] Computed 6 invariants in 1 ms
[2025-05-30 23:35:18] [INFO ] State equation strengthened by 39 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 AtomicPropp8 is UNSAT
After SMT solving in domain Real declared 22/114 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 4/6 constraints, State Equation: 0/39 constraints, ReadFeed: 0/39 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
FORMULA AutonomousCar-PT-03a-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 2 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' '!(X(X(X(((p0 U p1)&&X(X(X(p2))))))))'
Support contains 7 out of 39 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 39/39 places, 75/75 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 37 transition count 67
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 37 transition count 67
Applied a total of 4 rules in 3 ms. Remains 37 /39 variables (removed 2) and now considering 67/75 (removed 8) transitions.
// Phase 1: matrix 67 rows 37 cols
[2025-05-30 23:35:19] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:19] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-05-30 23:35:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:19] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-05-30 23:35:19] [INFO ] Implicit Places using invariants and state equation in 67 ms returned [34]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 105 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/39 places, 67/75 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 67/67 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 109 ms. Remains : 36/39 places, 67/75 transitions.
Stuttering acceptance computed with spot in 469 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), true, (NOT p1), (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-00
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 2 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-03a-LTLFireability-00 finished in 641 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(F(p0))||F((p1&&F(p2)))))))'
Support contains 9 out of 39 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 39/39 places, 75/75 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 36 transition count 63
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 36 transition count 63
Applied a total of 6 rules in 5 ms. Remains 36 /39 variables (removed 3) and now considering 63/75 (removed 12) transitions.
// Phase 1: matrix 63 rows 36 cols
[2025-05-30 23:35:19] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:19] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-05-30 23:35:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:19] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-05-30 23:35:19] [INFO ] Implicit Places using invariants and state equation in 55 ms returned [33]
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 : 35/39 places, 63/75 transitions.
Applied a total of 0 rules in 1 ms. Remains 35 /35 variables (removed 0) and now considering 63/63 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 93 ms. Remains : 35/39 places, 63/75 transitions.
Stuttering acceptance computed with spot in 247 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-01
Product exploration explored 100000 steps with 25000 reset in 385 ms.
Product exploration explored 100000 steps with 25000 reset in 186 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) (NOT p2) p0), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 94 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 165 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))]
RANDOM walk for 30467 steps (1777 resets) in 486 ms. (62 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR p0 p2))), (F (NOT p0)), (F p1), (F p2), (F (NOT (OR p0 p1))), (F (NOT (OR p0 p2 (NOT p1))))]
Knowledge based reduction with 4 factoid took 237 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 227 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))]
Stuttering acceptance computed with spot in 208 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))]
Support contains 9 out of 35 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 35/35 places, 63/63 transitions.
Applied a total of 0 rules in 2 ms. Remains 35 /35 variables (removed 0) and now considering 63/63 (removed 0) transitions.
// Phase 1: matrix 63 rows 35 cols
[2025-05-30 23:35:21] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:21] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-30 23:35:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:21] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-05-30 23:35:21] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
Running 62 sub problems to find dead transitions.
[2025-05-30 23:35:21] [INFO ] Invariant cache hit.
[2025-05-30 23:35:21] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (OVERLAPS) 62/97 variables, 35/40 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/97 variables, 29/69 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:22] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:22] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:22] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 3/72 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (OVERLAPS) 1/98 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/98 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (OVERLAPS) 0/98 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Real declared 98/98 variables, and 73 constraints, problems are : Problem set: 0 solved, 62 unsolved in 1941 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (OVERLAPS) 62/97 variables, 35/43 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 29/72 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 62/134 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:24] [INFO ] Deduced a trap along path composed of 2 places in 29 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:24] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/97 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/97 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (OVERLAPS) 1/98 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 11 (OVERLAPS) 0/98 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Int declared 98/98 variables, and 137 constraints, problems are : Problem set: 0 solved, 62 unsolved in 2821 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 4805ms problems are : Problem set: 0 solved, 62 unsolved
Search for dead transitions found 0 dead transitions in 4808ms
Finished structural reductions in LTL mode , in 1 iterations and 4899 ms. Remains : 35/35 places, 63/63 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 p0 (NOT p2) (NOT p1))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 86 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 227 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))]
RANDOM walk for 40000 steps (2298 resets) in 123 ms. (322 steps per ms) remains 1/6 properties
BEST_FIRST walk for 1164 steps (11 resets) in 15 ms. (72 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1))]
False Knowledge obtained : [(F (NOT (OR p0 p2))), (F (NOT p0)), (F p1), (F p2), (F (NOT (OR p0 p1))), (F (NOT (OR p0 (NOT p1) p2)))]
Knowledge based reduction with 1 factoid took 222 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 244 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))]
Stuttering acceptance computed with spot in 228 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))]
Stuttering acceptance computed with spot in 217 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))]
Product exploration explored 100000 steps with 25000 reset in 133 ms.
Product exploration explored 100000 steps with 25000 reset in 142 ms.
Applying partial POR strategy [true, true, false, false, false]
Stuttering acceptance computed with spot in 224 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))]
Support contains 9 out of 35 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 35/35 places, 63/63 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 35 transition count 63
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 35 transition count 63
Deduced a syphon composed of 4 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 35 transition count 63
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 5 place count 35 transition count 63
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 6 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 35 transition count 65
Deduced a syphon composed of 6 places in 0 ms
Applied a total of 6 rules in 15 ms. Remains 35 /35 variables (removed 0) and now considering 65/63 (removed -2) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:35:28] [INFO ] Redundant transitions in 14 ms returned []
Running 64 sub problems to find dead transitions.
// Phase 1: matrix 65 rows 35 cols
[2025-05-30 23:35:28] [INFO ] Computed 5 invariants in 1 ms
[2025-05-30 23:35:28] [INFO ] State equation strengthened by 32 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:28] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 2 ms to minimize.
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:28] [INFO ] Deduced a trap composed of 6 places in 37 ms of which 3 ms to minimize.
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:29] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 2 ms to minimize.
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:29] [INFO ] Deduced a trap composed of 5 places in 27 ms of which 2 ms to minimize.
Problem TDEAD40 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 4/9 constraints. Problems are: Problem set: 4 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/9 constraints. Problems are: Problem set: 4 solved, 60 unsolved
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD54 is UNSAT
At refinement iteration 4 (OVERLAPS) 64/99 variables, 35/44 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 31/75 constraints. Problems are: Problem set: 7 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:29] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:29] [INFO ] Deduced a trap composed of 5 places in 29 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 2/77 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 0/77 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 1/100 variables, 1/78 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/100 variables, 0/78 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 10 (OVERLAPS) 0/100 variables, 0/78 constraints. Problems are: Problem set: 7 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 78 constraints, problems are : Problem set: 7 solved, 57 unsolved in 1914 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 57 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: 7 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 5/33 variables, 5/5 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 6/11 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 0/11 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 64/97 variables, 33/44 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 31/75 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 57/132 constraints. Problems are: Problem set: 7 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:31] [INFO ] Deduced a trap along path composed of 2 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:31] [INFO ] Deduced a trap along path composed of 2 places in 23 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/97 variables, 2/134 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/97 variables, 0/134 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 9 (OVERLAPS) 2/99 variables, 2/136 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/99 variables, 0/136 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 11 (OVERLAPS) 1/100 variables, 1/137 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/100 variables, 0/137 constraints. Problems are: Problem set: 7 solved, 57 unsolved
At refinement iteration 13 (OVERLAPS) 0/100 variables, 0/137 constraints. Problems are: Problem set: 7 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 137 constraints, problems are : Problem set: 7 solved, 57 unsolved in 3307 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 57/64 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 5254ms problems are : Problem set: 7 solved, 57 unsolved
Search for dead transitions found 7 dead transitions in 5255ms
Found 7 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 7 transitions
Dead transitions reduction (with SMT) removed 7 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 35/35 places, 58/63 transitions.
Graph (complete) has 182 edges and 35 vertex of which 29 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 9 ms. Remains 29 /35 variables (removed 6) and now considering 58/58 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 29/35 places, 58/63 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 5304 ms. Remains : 29/35 places, 58/63 transitions.
Built C files in :
/tmp/ltsmin13003877716942684432
[2025-05-30 23:35:33] [INFO ] Built C files in 17ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13003877716942684432
Running compilation step : cd /tmp/ltsmin13003877716942684432;'/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 278 ms.
Running link step : cd /tmp/ltsmin13003877716942684432;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin13003877716942684432;'/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/stateBased2924648647692684324.hoa' '--buchi-type=spotba'
LTSmin run took 155 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-03a-LTLFireability-01 finished in 14790 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 1 out of 39 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 39/39 places, 75/75 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 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 5 rules applied. Total rules applied 5 place count 37 transition count 70
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 33 transition count 70
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 12 place count 30 transition count 58
Iterating global reduction 2 with 3 rules applied. Total rules applied 15 place count 30 transition count 58
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 7 rules applied. Total rules applied 22 place count 26 transition count 55
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 23 place count 26 transition count 54
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 24 place count 25 transition count 54
Applied a total of 24 rules in 15 ms. Remains 25 /39 variables (removed 14) and now considering 54/75 (removed 21) transitions.
// Phase 1: matrix 54 rows 25 cols
[2025-05-30 23:35:34] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:34] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-05-30 23:35:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:34] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-30 23:35:34] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:35:34] [INFO ] Redundant transitions in 0 ms returned []
Running 53 sub problems to find dead transitions.
[2025-05-30 23:35:34] [INFO ] Invariant cache hit.
[2025-05-30 23:35:34] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (OVERLAPS) 53/78 variables, 25/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:34] [INFO ] Deduced a trap composed of 8 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:34] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:35] [INFO ] Deduced a trap along path composed of 2 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:35] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 2/33 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (OVERLAPS) 1/79 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 8 (OVERLAPS) 0/79 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Real declared 79/79 variables, and 34 constraints, problems are : Problem set: 0 solved, 53 unsolved in 1135 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 25/25 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 3 (OVERLAPS) 53/78 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 53/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 2/86 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:36] [INFO ] Deduced a trap along path composed of 2 places in 23 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 8 (OVERLAPS) 1/79 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/79 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (OVERLAPS) 0/79 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Int declared 79/79 variables, and 88 constraints, problems are : Problem set: 0 solved, 53 unsolved in 1938 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 25/25 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 3091ms problems are : Problem set: 0 solved, 53 unsolved
Search for dead transitions found 0 dead transitions in 3092ms
Starting structural reductions in SI_LTL mode, iteration 1 : 25/39 places, 54/75 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3190 ms. Remains : 25/39 places, 54/75 transitions.
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-02
Stuttering criterion allowed to conclude after 10 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-03a-LTLFireability-02 finished in 3250 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)||(!p0&&F(p1))))))'
Support contains 2 out of 39 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 39/39 places, 75/75 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 36 transition count 63
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 36 transition count 63
Applied a total of 6 rules in 2 ms. Remains 36 /39 variables (removed 3) and now considering 63/75 (removed 12) transitions.
// Phase 1: matrix 63 rows 36 cols
[2025-05-30 23:35:37] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:37] [INFO ] Implicit Places using invariants in 48 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 49 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 35/39 places, 63/75 transitions.
Applied a total of 0 rules in 1 ms. Remains 35 /35 variables (removed 0) and now considering 63/63 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 52 ms. Remains : 35/39 places, 63/75 transitions.
Stuttering acceptance computed with spot in 221 ms :[true, (NOT p1), p0, (AND (NOT p1) p0), p0, p0]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-03
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-03a-LTLFireability-03 finished in 293 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(G(p0))&&(G((p1||G((p2||F(p3)))))||F(p4))))'
Support contains 9 out of 39 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 39/39 places, 75/75 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 39 transition count 73
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 37 transition count 73
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 6 place count 35 transition count 65
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 35 transition count 65
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 33 transition count 63
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 32 transition count 63
Applied a total of 14 rules in 14 ms. Remains 32 /39 variables (removed 7) and now considering 63/75 (removed 12) transitions.
// Phase 1: matrix 63 rows 32 cols
[2025-05-30 23:35:38] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:38] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-05-30 23:35:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:38] [INFO ] State equation strengthened by 36 read => feed constraints.
[2025-05-30 23:35:38] [INFO ] Implicit Places using invariants and state equation in 47 ms returned [29]
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 : 31/39 places, 63/75 transitions.
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 0 with 2 rules applied. Total rules applied 2 place count 30 transition count 62
Applied a total of 2 rules in 6 ms. Remains 30 /31 variables (removed 1) and now considering 62/63 (removed 1) transitions.
// Phase 1: matrix 62 rows 30 cols
[2025-05-30 23:35:38] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:38] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-30 23:35:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:38] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-05-30 23:35:38] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 30/39 places, 62/75 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 179 ms. Remains : 30/39 places, 62/75 transitions.
Stuttering acceptance computed with spot in 211 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2) (NOT p3) (NOT p4))), (NOT p0), (AND (NOT p1) (NOT p4) (NOT p2) (NOT p3)), (AND (NOT p4) (NOT p3)), (AND (NOT p4) (NOT p3) (NOT p2))]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-05
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 1 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-03a-LTLFireability-05 finished in 410 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(p0)))'
Support contains 1 out of 39 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 39/39 places, 75/75 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 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 5 rules applied. Total rules applied 5 place count 37 transition count 70
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 33 transition count 70
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 12 place count 30 transition count 58
Iterating global reduction 2 with 3 rules applied. Total rules applied 15 place count 30 transition count 58
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 7 rules applied. Total rules applied 22 place count 26 transition count 55
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 23 place count 26 transition count 54
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 24 place count 25 transition count 54
Applied a total of 24 rules in 9 ms. Remains 25 /39 variables (removed 14) and now considering 54/75 (removed 21) transitions.
// Phase 1: matrix 54 rows 25 cols
[2025-05-30 23:35:38] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:38] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-05-30 23:35:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-30 23:35:38] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:35:38] [INFO ] Redundant transitions in 1 ms returned []
Running 53 sub problems to find dead transitions.
[2025-05-30 23:35:38] [INFO ] Invariant cache hit.
[2025-05-30 23:35:38] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (OVERLAPS) 53/78 variables, 25/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:38] [INFO ] Deduced a trap composed of 8 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:38] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:39] [INFO ] Deduced a trap along path composed of 2 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:39] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 2/33 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (OVERLAPS) 1/79 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 8 (OVERLAPS) 0/79 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Real declared 79/79 variables, and 34 constraints, problems are : Problem set: 0 solved, 53 unsolved in 1121 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 25/25 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 3 (OVERLAPS) 53/78 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 53/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 2/86 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:40] [INFO ] Deduced a trap along path composed of 2 places in 17 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 8 (OVERLAPS) 1/79 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/79 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (OVERLAPS) 0/79 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Int declared 79/79 variables, and 88 constraints, problems are : Problem set: 0 solved, 53 unsolved in 1840 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 25/25 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 2983ms problems are : Problem set: 0 solved, 53 unsolved
Search for dead transitions found 0 dead transitions in 2984ms
Starting structural reductions in SI_LTL mode, iteration 1 : 25/39 places, 54/75 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3066 ms. Remains : 25/39 places, 54/75 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-06
Stuttering criterion allowed to conclude after 15 steps with 0 reset in 1 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-03a-LTLFireability-06 finished in 3158 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(G(p0)))'
Support contains 4 out of 39 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 39/39 places, 75/75 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 39 transition count 72
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 36 transition count 71
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 8 place count 35 transition count 71
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 11 place count 32 transition count 59
Iterating global reduction 3 with 3 rules applied. Total rules applied 14 place count 32 transition count 59
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 20 place count 29 transition count 56
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 22 place count 28 transition count 56
Applied a total of 22 rules in 11 ms. Remains 28 /39 variables (removed 11) and now considering 56/75 (removed 19) transitions.
// Phase 1: matrix 56 rows 28 cols
[2025-05-30 23:35:41] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:41] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-05-30 23:35:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:41] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-05-30 23:35:41] [INFO ] Implicit Places using invariants and state equation in 42 ms returned [25]
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 : 27/39 places, 56/75 transitions.
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 0 with 2 rules applied. Total rules applied 2 place count 26 transition count 55
Applied a total of 2 rules in 3 ms. Remains 26 /27 variables (removed 1) and now considering 55/56 (removed 1) transitions.
// Phase 1: matrix 55 rows 26 cols
[2025-05-30 23:35:41] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:41] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-05-30 23:35:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:41] [INFO ] State equation strengthened by 32 read => feed constraints.
[2025-05-30 23:35:41] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 26/39 places, 55/75 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 165 ms. Remains : 26/39 places, 55/75 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-07
Stuttering criterion allowed to conclude after 20 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-03a-LTLFireability-07 finished in 219 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)||F(p1)) U G(p2)) U (p1&&X(X(X(p1))))))'
Support contains 6 out of 39 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 39/39 places, 75/75 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 37 transition count 67
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 37 transition count 67
Applied a total of 4 rules in 4 ms. Remains 37 /39 variables (removed 2) and now considering 67/75 (removed 8) transitions.
// Phase 1: matrix 67 rows 37 cols
[2025-05-30 23:35:41] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:41] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-05-30 23:35:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:41] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-05-30 23:35:41] [INFO ] Implicit Places using invariants and state equation in 51 ms returned [34]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 79 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/39 places, 67/75 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 67/67 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 84 ms. Remains : 36/39 places, 67/75 transitions.
Stuttering acceptance computed with spot in 570 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-09
Stuttering criterion allowed to conclude after 10 steps with 0 reset in 1 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-03a-LTLFireability-09 finished in 682 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(X(p0)))||G(p1)))))'
Support contains 6 out of 39 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 39/39 places, 75/75 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 37 transition count 67
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 37 transition count 67
Applied a total of 4 rules in 3 ms. Remains 37 /39 variables (removed 2) and now considering 67/75 (removed 8) transitions.
// Phase 1: matrix 67 rows 37 cols
[2025-05-30 23:35:42] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:42] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-30 23:35:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:42] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-05-30 23:35:42] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Running 66 sub problems to find dead transitions.
[2025-05-30 23:35:42] [INFO ] Invariant cache hit.
[2025-05-30 23:35:42] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 66/103 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 32/75 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:43] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:43] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:43] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 3/78 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (OVERLAPS) 1/104 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 9 (OVERLAPS) 0/104 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 79 constraints, problems are : Problem set: 0 solved, 66 unsolved in 1767 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 37/37 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (OVERLAPS) 66/103 variables, 37/46 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 32/78 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 66/144 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:44] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:45] [INFO ] Deduced a trap along path composed of 2 places in 18 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/103 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/103 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 9 (OVERLAPS) 1/104 variables, 1/147 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/104 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 11 (OVERLAPS) 0/104 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 147 constraints, problems are : Problem set: 0 solved, 66 unsolved in 2713 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 37/37 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 4499ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 4499ms
Starting structural reductions in LTL mode, iteration 1 : 37/39 places, 67/75 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4584 ms. Remains : 37/39 places, 67/75 transitions.
Stuttering acceptance computed with spot in 382 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), true, (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-10
Product exploration explored 100000 steps with 2 reset in 91 ms.
Product exploration explored 100000 steps with 0 reset in 83 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 p0) p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 81 ms. Reduced automaton from 11 states, 16 edges and 2 AP (stutter sensitive) to 10 states, 14 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 292 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)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 307 steps (13 resets) in 7 ms. (38 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) p1), (X (X p1))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) p1))), (F p0), (F (NOT (OR p0 p1))), (F (NOT p1))]
Knowledge based reduction with 2 factoid took 165 ms. Reduced automaton from 10 states, 14 edges and 2 AP (stutter sensitive) to 10 states, 14 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 320 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)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 359 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)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 6 out of 37 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 37/37 places, 67/67 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 67/67 (removed 0) transitions.
[2025-05-30 23:35:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:48] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-05-30 23:35:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:48] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-05-30 23:35:48] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Running 66 sub problems to find dead transitions.
[2025-05-30 23:35:48] [INFO ] Invariant cache hit.
[2025-05-30 23:35:48] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 66/103 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 32/75 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:49] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:49] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:49] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 3/78 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (OVERLAPS) 1/104 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 9 (OVERLAPS) 0/104 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 79 constraints, problems are : Problem set: 0 solved, 66 unsolved in 1807 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 37/37 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (OVERLAPS) 66/103 variables, 37/46 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 32/78 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 66/144 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:51] [INFO ] Deduced a trap along path composed of 2 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:51] [INFO ] Deduced a trap along path composed of 2 places in 13 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/103 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/103 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 9 (OVERLAPS) 1/104 variables, 1/147 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/104 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 11 (OVERLAPS) 0/104 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 147 constraints, problems are : Problem set: 0 solved, 66 unsolved in 2730 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 37/37 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 4555ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 4555ms
Finished structural reductions in LTL mode , in 1 iterations and 4646 ms. Remains : 37/37 places, 67/67 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 p0) p1)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 72 ms. Reduced automaton from 10 states, 14 edges and 2 AP (stutter sensitive) to 10 states, 14 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 348 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)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 280 steps (11 resets) in 7 ms. (35 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) p1)]
False Knowledge obtained : [(F (NOT (AND (NOT p0) p1))), (F p0), (F (NOT (OR p0 p1))), (F (NOT p1))]
Knowledge based reduction with 1 factoid took 181 ms. Reduced automaton from 10 states, 14 edges and 2 AP (stutter sensitive) to 10 states, 14 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 354 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)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 345 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)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 347 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)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 50 ms.
Entered a terminal (fully accepting) state of product in 63 steps with 2 reset in 0 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-03a-LTLFireability-10 finished in 12773 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 6 out of 39 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 39/39 places, 75/75 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 37 transition count 67
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 37 transition count 67
Applied a total of 4 rules in 3 ms. Remains 37 /39 variables (removed 2) and now considering 67/75 (removed 8) transitions.
// Phase 1: matrix 67 rows 37 cols
[2025-05-30 23:35:55] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:55] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-05-30 23:35:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:55] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-05-30 23:35:55] [INFO ] Implicit Places using invariants and state equation in 52 ms returned [34]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 92 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/39 places, 67/75 transitions.
Applied a total of 0 rules in 0 ms. Remains 36 /36 variables (removed 0) and now considering 67/67 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 96 ms. Remains : 36/39 places, 67/75 transitions.
Stuttering acceptance computed with spot in 124 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-03a-LTLFireability-11 finished in 231 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(p0)))'
Support contains 1 out of 39 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 39/39 places, 75/75 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 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 4 rules applied. Total rules applied 4 place count 37 transition count 71
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 34 transition count 70
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 9 place count 33 transition count 70
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 12 place count 30 transition count 58
Iterating global reduction 3 with 3 rules applied. Total rules applied 15 place count 30 transition count 58
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 7 rules applied. Total rules applied 22 place count 26 transition count 55
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 1 rules applied. Total rules applied 23 place count 26 transition count 54
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 24 place count 25 transition count 54
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 5 with 2 rules applied. Total rules applied 26 place count 24 transition count 54
Applied a total of 26 rules in 8 ms. Remains 24 /39 variables (removed 15) and now considering 54/75 (removed 21) transitions.
// Phase 1: matrix 54 rows 24 cols
[2025-05-30 23:35:55] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:55] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-05-30 23:35:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:55] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 23:35:55] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:35:55] [INFO ] Redundant transitions in 11 ms returned []
Running 53 sub problems to find dead transitions.
[2025-05-30 23:35:55] [INFO ] Invariant cache hit.
[2025-05-30 23:35:55] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (OVERLAPS) 53/77 variables, 24/28 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/77 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:55] [INFO ] Deduced a trap composed of 8 places in 36 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:56] [INFO ] Deduced a trap along path composed of 2 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:56] [INFO ] Deduced a trap along path composed of 2 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:35:56] [INFO ] Deduced a trap along path composed of 2 places in 15 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (OVERLAPS) 1/78 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 9 (OVERLAPS) 0/78 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 34 constraints, problems are : Problem set: 0 solved, 53 unsolved in 1207 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 24/24 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 3 (OVERLAPS) 53/77 variables, 24/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 53/83 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 3/86 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/77 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 8 (OVERLAPS) 1/78 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/78 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (OVERLAPS) 0/78 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 87 constraints, problems are : Problem set: 0 solved, 53 unsolved in 1856 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 24/24 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 3095ms problems are : Problem set: 0 solved, 53 unsolved
Search for dead transitions found 0 dead transitions in 3095ms
Starting structural reductions in SI_LTL mode, iteration 1 : 24/39 places, 54/75 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3208 ms. Remains : 24/39 places, 54/75 transitions.
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-12
Stuttering criterion allowed to conclude after 14 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-03a-LTLFireability-12 finished in 3307 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)&&X(G(p1)))))'
Support contains 6 out of 39 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 39/39 places, 75/75 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 39 transition count 72
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 36 transition count 72
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 8 place count 34 transition count 64
Iterating global reduction 2 with 2 rules applied. Total rules applied 10 place count 34 transition count 64
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 16 place count 31 transition count 61
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 18 place count 30 transition count 61
Applied a total of 18 rules in 13 ms. Remains 30 /39 variables (removed 9) and now considering 61/75 (removed 14) transitions.
// Phase 1: matrix 61 rows 30 cols
[2025-05-30 23:35:58] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:58] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-05-30 23:35:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:58] [INFO ] State equation strengthened by 36 read => feed constraints.
[2025-05-30 23:35:58] [INFO ] Implicit Places using invariants and state equation in 46 ms returned [27]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 74 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 29/39 places, 61/75 transitions.
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 0 with 2 rules applied. Total rules applied 2 place count 28 transition count 60
Applied a total of 2 rules in 3 ms. Remains 28 /29 variables (removed 1) and now considering 60/61 (removed 1) transitions.
// Phase 1: matrix 60 rows 28 cols
[2025-05-30 23:35:58] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:58] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-05-30 23:35:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:58] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-05-30 23:35:58] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 28/39 places, 60/75 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 162 ms. Remains : 28/39 places, 60/75 transitions.
Stuttering acceptance computed with spot in 116 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 67 ms.
Product exploration explored 100000 steps with 12 reset in 78 ms.
Computed a total of 5 stabilizing places and 6 stable transitions
Computed a total of 5 stabilizing places and 6 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 91 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 86 ms :[(NOT p1), (NOT p0)]
RANDOM walk for 40000 steps (3141 resets) in 125 ms. (317 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40002 steps (610 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
[2025-05-30 23:35:59] [INFO ] Invariant cache hit.
[2025-05-30 23:35:59] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/14 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/24 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 57/81 variables, 24/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 34/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/87 variables, 4/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/87 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/88 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/88 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/88 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 68 constraints, problems are : Problem set: 0 solved, 1 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 28/28 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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 apf0 is UNSAT
After SMT solving in domain Int declared 14/88 variables, and 3 constraints, problems are : Problem set: 1 solved, 0 unsolved in 20 ms.
Refiners :[Positive P Invariants (semi-flows): 3/5 constraints, State Equation: 0/28 constraints, ReadFeed: 0/35 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 80ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 8 factoid took 146 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p1)]
Support contains 4 out of 28 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 : 28/28 places, 60/60 transitions.
Applied a total of 0 rules in 5 ms. Remains 28 /28 variables (removed 0) and now considering 60/60 (removed 0) transitions.
[2025-05-30 23:35:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:59] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-05-30 23:35:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:35:59] [INFO ] State equation strengthened by 35 read => feed constraints.
[2025-05-30 23:35:59] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:35:59] [INFO ] Redundant transitions in 13 ms returned []
Running 59 sub problems to find dead transitions.
[2025-05-30 23:35:59] [INFO ] Invariant cache hit.
[2025-05-30 23:35:59] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 1/28 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 3 (OVERLAPS) 59/87 variables, 28/33 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 34/67 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:00] [INFO ] Deduced a trap composed of 9 places in 35 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 7 (OVERLAPS) 1/88 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 9 (OVERLAPS) 0/88 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 69 constraints, problems are : Problem set: 0 solved, 59 unsolved in 1499 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 28/28 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 1/28 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/28 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (OVERLAPS) 59/87 variables, 28/34 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 34/68 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 59/127 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:02] [INFO ] Deduced a trap along path composed of 2 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:02] [INFO ] Deduced a trap along path composed of 2 places in 17 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/87 variables, 2/129 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/87 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 9 (OVERLAPS) 1/88 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/88 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 11 (OVERLAPS) 0/88 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Int declared 88/88 variables, and 130 constraints, problems are : Problem set: 0 solved, 59 unsolved in 3654 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 28/28 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 5176ms problems are : Problem set: 0 solved, 59 unsolved
Search for dead transitions found 0 dead transitions in 5177ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 5285 ms. Remains : 28/28 places, 60/60 transitions.
Computed a total of 5 stabilizing places and 6 stable transitions
Computed a total of 5 stabilizing places and 6 stable transitions
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 75 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p1)]
RANDOM walk for 2399 steps (181 resets) in 9 ms. (239 steps per ms) remains 0/1 properties
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 3 factoid took 93 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 42 ms :[(NOT p1)]
Product exploration explored 100000 steps with 9 reset in 52 ms.
Product exploration explored 100000 steps with 4 reset in 56 ms.
Built C files in :
/tmp/ltsmin8806576860150708069
[2025-05-30 23:36:05] [INFO ] Computing symmetric may disable matrix : 60 transitions.
[2025-05-30 23:36:05] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:36:05] [INFO ] Computing symmetric may enable matrix : 60 transitions.
[2025-05-30 23:36:05] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:36:05] [INFO ] Computing Do-Not-Accords matrix : 60 transitions.
[2025-05-30 23:36:05] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:36:05] [INFO ] Built C files in 17ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8806576860150708069
Running compilation step : cd /tmp/ltsmin8806576860150708069;'/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 167 ms.
Running link step : cd /tmp/ltsmin8806576860150708069;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 27 ms.
Running LTSmin : cd /tmp/ltsmin8806576860150708069;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased4171671117252963148.hoa' '--buchi-type=spotba'
LTSmin run took 91 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-03a-LTLFireability-14 finished in 7095 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(X(p0)) U p1))'
Support contains 6 out of 39 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 39/39 places, 75/75 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 37 transition count 67
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 37 transition count 67
Applied a total of 4 rules in 2 ms. Remains 37 /39 variables (removed 2) and now considering 67/75 (removed 8) transitions.
// Phase 1: matrix 67 rows 37 cols
[2025-05-30 23:36:05] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:36:05] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-05-30 23:36:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:36:05] [INFO ] State equation strengthened by 33 read => feed constraints.
[2025-05-30 23:36:05] [INFO ] Implicit Places using invariants and state equation in 45 ms returned [34]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 73 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/39 places, 67/75 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 67/67 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 76 ms. Remains : 36/39 places, 67/75 transitions.
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), true, (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : AutonomousCar-PT-03a-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-03a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-03a-LTLFireability-15 finished in 198 ms.
All properties solved by simple procedures.
Total runtime 48744 ms.

BK_STOP 1748648166147

--------------------
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-03a"
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-03a, 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-174853729700636"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-03a.tgz
mv AutonomousCar-PT-03a 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 ;