Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853729300460.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is AutoFlight-PT-02a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853729300460
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K 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 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 123K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 16K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1748621944721

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-02a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 16:19:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-30 16:19:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 16:19:06] [INFO ] Load time of PNML (sax parser for PT used): 41 ms
[2025-05-30 16:19:06] [INFO ] Transformed 57 places.
[2025-05-30 16:19:06] [INFO ] Transformed 55 transitions.
[2025-05-30 16:19:06] [INFO ] Found NUPN structural information;
[2025-05-30 16:19:06] [INFO ] Parsed PT model containing 57 places and 55 transitions and 180 arcs in 133 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 10 transitions
Reduce redundant transitions removed 10 transitions.
FORMULA AutoFlight-PT-02a-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-02a-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 57 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 57/57 places, 45/45 transitions.
Applied a total of 0 rules in 8 ms. Remains 57 /57 variables (removed 0) and now considering 45/45 (removed 0) transitions.
// Phase 1: matrix 45 rows 57 cols
[2025-05-30 16:19:06] [INFO ] Computed 16 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:06] [INFO ] Implicit Places using invariants in 188 ms returned [17, 54]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 219 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 55/57 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 55 /55 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 242 ms. Remains : 55/57 places, 45/45 transitions.
Support contains 31 out of 55 places after structural reductions.
[2025-05-30 16:19:06] [INFO ] Flatten gal took : 28 ms
[2025-05-30 16:19:06] [INFO ] Flatten gal took : 7 ms
[2025-05-30 16:19:06] [INFO ] Input system was already deterministic with 45 transitions.
Support contains 30 out of 55 places (down from 31) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 27 to 24
RANDOM walk for 40000 steps (1627 resets) in 875 ms. (45 steps per ms) remains 1/24 properties
BEST_FIRST walk for 29265 steps (373 resets) in 144 ms. (201 steps per ms) remains 0/1 properties
Computed a total of 4 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 55 transition count 41
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 51 transition count 41
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 8 place count 51 transition count 36
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 18 place count 46 transition count 36
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 26 place count 42 transition count 32
Applied a total of 26 rules in 21 ms. Remains 42 /55 variables (removed 13) and now considering 32/45 (removed 13) transitions.
// Phase 1: matrix 32 rows 42 cols
[2025-05-30 16:19:07] [INFO ] Computed 14 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:07] [INFO ] Implicit Places using invariants in 80 ms returned [5, 11, 12, 13, 21, 29, 34, 41]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 85 ms to find 8 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 34/55 places, 32/45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 34 transition count 27
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 29 transition count 27
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 10 place count 29 transition count 25
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 14 place count 27 transition count 25
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 17 place count 24 transition count 22
Iterating global reduction 2 with 3 rules applied. Total rules applied 20 place count 24 transition count 22
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 21 place count 23 transition count 21
Iterating global reduction 2 with 1 rules applied. Total rules applied 22 place count 23 transition count 21
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 24 place count 22 transition count 20
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -8
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 26 place count 21 transition count 28
Applied a total of 26 rules in 11 ms. Remains 21 /34 variables (removed 13) and now considering 28/32 (removed 4) transitions.
// Phase 1: matrix 28 rows 21 cols
[2025-05-30 16:19:07] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:07] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-05-30 16:19:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:07] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-05-30 16:19:07] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/55 places, 28/45 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 213 ms. Remains : 21/55 places, 28/45 transitions.
Stuttering acceptance computed with spot in 151 ms :[(NOT p0)]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-00
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 2 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02a-LTLFireability-00 finished in 427 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) U ((X(!p0)&&G(!p1))||X(G(!p0)))))'
Support contains 3 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 55 /55 variables (removed 0) and now considering 45/45 (removed 0) transitions.
// Phase 1: matrix 45 rows 55 cols
[2025-05-30 16:19:08] [INFO ] Computed 14 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:08] [INFO ] Implicit Places using invariants in 68 ms returned [7, 14, 19, 31, 41, 47]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 68 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 49/55 places, 45/45 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 48 transition count 44
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 48 transition count 44
Applied a total of 2 rules in 3 ms. Remains 48 /49 variables (removed 1) and now considering 44/45 (removed 1) transitions.
// Phase 1: matrix 44 rows 48 cols
[2025-05-30 16:19:08] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:08] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-05-30 16:19:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:08] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 48/55 places, 44/45 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 165 ms. Remains : 48/55 places, 44/45 transitions.
Stuttering acceptance computed with spot in 222 ms :[true, p0, (AND p1 p0), p1, p0, p0]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-01
Product exploration explored 100000 steps with 4008 reset in 234 ms.
Product exploration explored 100000 steps with 3995 reset in 162 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p0))))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 122 ms. Reduced automaton from 6 states, 15 edges and 2 AP (stutter sensitive) to 6 states, 14 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 204 ms :[true, p0, p1, (AND p1 p0), p0, p0]
RANDOM walk for 40000 steps (1596 resets) in 368 ms. (108 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (529 resets) in 96 ms. (412 steps per ms) remains 1/3 properties
[2025-05-30 16:19:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Real declared 32/92 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 2/8 constraints, State Equation: 0/48 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 81ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p0)))), (G (OR (NOT p0) (NOT p1)))]
False Knowledge obtained : [(F p1), (F p0), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 12 factoid took 293 ms. Reduced automaton from 6 states, 14 edges and 2 AP (stutter sensitive) to 6 states, 13 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 210 ms :[true, p0, p1, (AND p1 p0), p0, p0]
Stuttering acceptance computed with spot in 228 ms :[true, p0, p1, (AND p1 p0), p0, p0]
Support contains 3 out of 48 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 44/44 transitions.
Applied a total of 0 rules in 2 ms. Remains 48 /48 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2025-05-30 16:19:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:10] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-05-30 16:19:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:10] [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 43 sub problems to find dead transitions.
[2025-05-30 16:19:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (OVERLAPS) 1/48 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (OVERLAPS) 44/92 variables, 48/56 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (OVERLAPS) 0/92 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 56 constraints, problems are : Problem set: 0 solved, 43 unsolved in 784 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 48/48 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (OVERLAPS) 1/48 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (OVERLAPS) 44/92 variables, 48/56 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 43/99 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:11] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:11] [INFO ] Deduced a trap composed of 19 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 16:19:11] [INFO ] Deduced a trap composed of 24 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:11] [INFO ] Deduced a trap composed of 25 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:11] [INFO ] Deduced a trap composed of 26 places in 26 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 5/104 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (OVERLAPS) 0/92 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 92/92 variables, and 104 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1181 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 48/48 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1978ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 1979ms
Finished structural reductions in LTL mode , in 1 iterations and 2071 ms. Remains : 48/48 places, 44/44 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 89 ms. Reduced automaton from 6 states, 13 edges and 2 AP (stutter sensitive) to 6 states, 13 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 239 ms :[true, p0, p1, (AND p1 p0), p0, p0]
RANDOM walk for 36120 steps (1447 resets) in 148 ms. (242 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR (NOT p1) p0))), (F p0), (F (NOT (AND (NOT p1) (NOT p0))))]
Knowledge based reduction with 9 factoid took 240 ms. Reduced automaton from 6 states, 13 edges and 2 AP (stutter sensitive) to 6 states, 13 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 240 ms :[true, p0, p1, (AND p1 p0), p0, p0]
Stuttering acceptance computed with spot in 220 ms :[true, p0, p1, (AND p1 p0), p0, p0]
Stuttering acceptance computed with spot in 229 ms :[true, p0, p1, (AND p1 p0), p0, p0]
Product exploration explored 100000 steps with 4050 reset in 93 ms.
Product exploration explored 100000 steps with 3925 reset in 184 ms.
Applying partial POR strategy [true, false, true, false, false, false]
Stuttering acceptance computed with spot in 184 ms :[true, p0, p1, (AND p1 p0), p0, p0]
Support contains 3 out of 48 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 48/48 places, 44/44 transitions.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 48 transition count 44
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 5 Pre rules applied. Total rules applied 11 place count 48 transition count 46
Deduced a syphon composed of 16 places in 0 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 48 transition count 46
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 26 place count 38 transition count 36
Deduced a syphon composed of 6 places in 0 ms
Iterating global reduction 1 with 10 rules applied. Total rules applied 36 place count 38 transition count 36
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 11 places in 0 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 41 place count 38 transition count 36
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 42 place count 37 transition count 35
Deduced a syphon composed of 10 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 43 place count 37 transition count 35
Deduced a syphon composed of 10 places in 1 ms
Applied a total of 43 rules in 11 ms. Remains 37 /48 variables (removed 11) and now considering 35/44 (removed 9) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 16:19:14] [INFO ] Redundant transitions in 0 ms returned []
Running 34 sub problems to find dead transitions.
// Phase 1: matrix 35 rows 37 cols
[2025-05-30 16:19:14] [INFO ] Computed 8 invariants in 2 ms
[2025-05-30 16:19:14] [INFO ] State equation strengthened by 8 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, 34 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 34 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:14] [INFO ] Deduced a trap composed of 2 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:14] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 1 ms to minimize.
Problem TDEAD1 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:14] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 1 ms to minimize.
Problem TDEAD3 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:14] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 2 ms to minimize.
Problem TDEAD5 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:14] [INFO ] Deduced a trap composed of 3 places in 18 ms of which 2 ms to minimize.
Problem TDEAD7 is UNSAT
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:14] [INFO ] Deduced a trap composed of 16 places in 22 ms of which 2 ms to minimize.
Problem TDEAD10 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD27 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:14] [INFO ] Deduced a trap composed of 2 places in 21 ms of which 2 ms to minimize.
Problem TDEAD28 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 7/15 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/15 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 35/72 variables, 37/52 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 8/60 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/60 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 7 (OVERLAPS) 0/72 variables, 0/60 constraints. Problems are: Problem set: 12 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 72/72 variables, and 60 constraints, problems are : Problem set: 12 solved, 22 unsolved in 590 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 34/34 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 22 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 11/37 variables, 8/8 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 7/15 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/15 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 35/72 variables, 37/52 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 8/60 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 22/82 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/72 variables, 0/82 constraints. Problems are: Problem set: 12 solved, 22 unsolved
At refinement iteration 8 (OVERLAPS) 0/72 variables, 0/82 constraints. Problems are: Problem set: 12 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 72/72 variables, and 82 constraints, problems are : Problem set: 12 solved, 22 unsolved in 421 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 22/34 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1023ms problems are : Problem set: 12 solved, 22 unsolved
Search for dead transitions found 12 dead transitions in 1024ms
Found 12 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 12 transitions
Dead transitions reduction (with SMT) removed 12 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 37/48 places, 23/44 transitions.
Graph (complete) has 61 edges and 37 vertex of which 27 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 19 ms. Remains 27 /37 variables (removed 10) and now considering 23/23 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 27/48 places, 23/44 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1063 ms. Remains : 27/48 places, 23/44 transitions.
Built C files in :
/tmp/ltsmin12605426390338060250
[2025-05-30 16:19:15] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12605426390338060250
Running compilation step : cd /tmp/ltsmin12605426390338060250;'/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 242 ms.
Running link step : cd /tmp/ltsmin12605426390338060250;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin12605426390338060250;'/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/stateBased13654244180787717554.hoa' '--buchi-type=spotba'
LTSmin run took 417 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-01 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutoFlight-PT-02a-LTLFireability-01 finished in 7984 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)&&F(G(p1)))))'
Support contains 3 out of 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 3 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 15 rules applied. Total rules applied 15 place count 51 transition count 32
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 27 place count 39 transition count 32
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 27 place count 39 transition count 26
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 41 place count 31 transition count 26
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 41 place count 31 transition count 24
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 45 place count 29 transition count 24
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 51 place count 26 transition count 21
Applied a total of 51 rules in 6 ms. Remains 26 /55 variables (removed 29) and now considering 21/45 (removed 24) transitions.
// Phase 1: matrix 21 rows 26 cols
[2025-05-30 16:19:16] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:16] [INFO ] Implicit Places using invariants in 34 ms returned [12, 16, 20, 25]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 36 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 22/55 places, 21/45 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 19 transition count 18
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 19 transition count 18
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 8 place count 18 transition count 17
Applied a total of 8 rules in 3 ms. Remains 18 /22 variables (removed 4) and now considering 17/21 (removed 4) transitions.
// Phase 1: matrix 17 rows 18 cols
[2025-05-30 16:19:16] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:16] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-05-30 16:19:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:16] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/55 places, 17/45 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 116 ms. Remains : 18/55 places, 17/45 transitions.
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-02
Stuttering criterion allowed to conclude after 15 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02a-LTLFireability-02 finished in 222 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0&&X(F((p1 U (p2||G(p1))))))))))'
Support contains 3 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 45/45 (removed 0) transitions.
// Phase 1: matrix 45 rows 55 cols
[2025-05-30 16:19:16] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:16] [INFO ] Implicit Places using invariants in 57 ms returned [14, 19, 31, 41, 47, 54]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 58 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 49/55 places, 45/45 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 46 transition count 42
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 46 transition count 42
Applied a total of 6 rules in 3 ms. Remains 46 /49 variables (removed 3) and now considering 42/45 (removed 3) transitions.
// Phase 1: matrix 42 rows 46 cols
[2025-05-30 16:19:16] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:16] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-05-30 16:19:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:16] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 16:19:16] [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 structural reductions in LTL mode, iteration 2 : 46/55 places, 42/45 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 133 ms. Remains : 46/55 places, 42/45 transitions.
Stuttering acceptance computed with spot in 167 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-03
Product exploration explored 100000 steps with 14413 reset in 143 ms.
Product exploration explored 100000 steps with 14321 reset in 170 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p2 p1), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 73 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 117 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 160 steps (5 resets) in 4 ms. (32 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 p2 p1), (X (X p0))]
False Knowledge obtained : [(F (NOT (OR p1 p2))), (F (NOT p2)), (F (NOT p1)), (F (NOT (OR (NOT p1) p2)))]
Knowledge based reduction with 2 factoid took 155 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 147 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 130 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 3 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 42/42 transitions.
Applied a total of 0 rules in 0 ms. Remains 46 /46 variables (removed 0) and now considering 42/42 (removed 0) transitions.
[2025-05-30 16:19:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:17] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-05-30 16:19:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:17] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 16:19:17] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Running 41 sub problems to find dead transitions.
[2025-05-30 16:19:17] [INFO ] Invariant cache hit.
[2025-05-30 16:19:17] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/46 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (OVERLAPS) 42/88 variables, 46/54 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 4/58 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (OVERLAPS) 0/88 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 58 constraints, problems are : Problem set: 0 solved, 41 unsolved in 731 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 46/46 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/46 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (OVERLAPS) 42/88 variables, 46/54 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 4/58 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 41/99 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:18] [INFO ] Deduced a trap composed of 18 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 16:19:18] [INFO ] Deduced a trap composed of 23 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:18] [INFO ] Deduced a trap composed of 24 places in 31 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 3/102 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (OVERLAPS) 0/88 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Int declared 88/88 variables, and 102 constraints, problems are : Problem set: 0 solved, 41 unsolved in 988 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 46/46 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1728ms problems are : Problem set: 0 solved, 41 unsolved
Search for dead transitions found 0 dead transitions in 1728ms
Finished structural reductions in LTL mode , in 1 iterations and 1821 ms. Remains : 46/46 places, 42/42 transitions.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 p2)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 72 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 268 steps (9 resets) in 4 ms. (53 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p1 p2)]
False Knowledge obtained : [(F (NOT (OR p1 p2))), (F (NOT p2)), (F (NOT p1)), (F (NOT (OR (NOT p1) p2)))]
Knowledge based reduction with 1 factoid took 138 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 138 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 14313 reset in 87 ms.
Product exploration explored 100000 steps with 14348 reset in 90 ms.
Applying partial POR strategy [false, false, false, true]
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 3 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 42/42 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 46 transition count 42
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 6 Pre rules applied. Total rules applied 7 place count 46 transition count 42
Deduced a syphon composed of 13 places in 0 ms
Iterating global reduction 1 with 6 rules applied. Total rules applied 13 place count 46 transition count 42
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 18 place count 41 transition count 37
Deduced a syphon composed of 8 places in 0 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 23 place count 41 transition count 37
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 12 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 27 place count 41 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -21
Deduced a syphon composed of 13 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 28 place count 41 transition count 58
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 29 place count 40 transition count 54
Deduced a syphon composed of 12 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 30 place count 40 transition count 54
Deduced a syphon composed of 12 places in 0 ms
Applied a total of 30 rules in 14 ms. Remains 40 /46 variables (removed 6) and now considering 54/42 (removed -12) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 16:19:20] [INFO ] Redundant transitions in 1 ms returned []
Running 50 sub problems to find dead transitions.
// Phase 1: matrix 54 rows 40 cols
[2025-05-30 16:19:20] [INFO ] Computed 8 invariants in 1 ms
[2025-05-30 16:19:20] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 1 (OVERLAPS) 1/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:20] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
Problem TDEAD0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:20] [INFO ] Deduced a trap composed of 3 places in 15 ms of which 2 ms to minimize.
Problem TDEAD2 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:20] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 2 ms to minimize.
Problem TDEAD4 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:20] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 2 ms to minimize.
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:20] [INFO ] Deduced a trap composed of 2 places in 19 ms of which 1 ms to minimize.
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD14 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:20] [INFO ] Deduced a trap composed of 2 places in 20 ms of which 1 ms to minimize.
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 6/14 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/14 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 4 (OVERLAPS) 54/94 variables, 40/54 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 24/78 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 0/78 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 7 (OVERLAPS) 0/94 variables, 0/78 constraints. Problems are: Problem set: 18 solved, 32 unsolved
No progress, stopping.
After SMT solving in domain Real declared 94/94 variables, and 78 constraints, problems are : Problem set: 18 solved, 32 unsolved in 817 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 50/50 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 18 solved, 32 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: 18 solved, 32 unsolved
At refinement iteration 1 (OVERLAPS) 13/40 variables, 8/8 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 6/14 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/14 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 4 (OVERLAPS) 54/94 variables, 40/54 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 24/78 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 32/110 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/94 variables, 0/110 constraints. Problems are: Problem set: 18 solved, 32 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:19:22] [INFO ] Deduced a trap along path composed of 14 places in 29 ms of which 4 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/94 variables, 1/111 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/94 variables, 0/111 constraints. Problems are: Problem set: 18 solved, 32 unsolved
At refinement iteration 10 (OVERLAPS) 0/94 variables, 0/111 constraints. Problems are: Problem set: 18 solved, 32 unsolved
No progress, stopping.
After SMT solving in domain Int declared 94/94 variables, and 111 constraints, problems are : Problem set: 18 solved, 32 unsolved in 1277 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 32/50 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2107ms problems are : Problem set: 18 solved, 32 unsolved
Search for dead transitions found 18 dead transitions in 2109ms
Found 18 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 18 transitions
Dead transitions reduction (with SMT) removed 18 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 40/46 places, 36/42 transitions.
Graph (complete) has 90 edges and 40 vertex of which 28 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.1 ms
Discarding 12 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 5 ms. Remains 28 /40 variables (removed 12) and now considering 36/36 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 28/46 places, 36/42 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2135 ms. Remains : 28/46 places, 36/42 transitions.
Built C files in :
/tmp/ltsmin15588539665543056802
[2025-05-30 16:19:22] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15588539665543056802
Running compilation step : cd /tmp/ltsmin15588539665543056802;'/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 114 ms.
Running link step : cd /tmp/ltsmin15588539665543056802;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin15588539665543056802;'/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/stateBased15424441039391579210.hoa' '--buchi-type=spotba'
LTSmin run took 48 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-03 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutoFlight-PT-02a-LTLFireability-03 finished in 6723 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) U ((G(p1) U p2) U X(p3)))&&F(p4)))'
Support contains 6 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 55 /55 variables (removed 0) and now considering 45/45 (removed 0) transitions.
// Phase 1: matrix 45 rows 55 cols
[2025-05-30 16:19:22] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:23] [INFO ] Implicit Places using invariants in 56 ms returned [7, 14, 19, 41, 47]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 57 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/55 places, 45/45 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 48 transition count 43
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 48 transition count 43
Applied a total of 4 rules in 2 ms. Remains 48 /50 variables (removed 2) and now considering 43/45 (removed 2) transitions.
// Phase 1: matrix 43 rows 48 cols
[2025-05-30 16:19:23] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:23] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-05-30 16:19:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:23] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 48/55 places, 43/45 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 127 ms. Remains : 48/55 places, 43/45 transitions.
Stuttering acceptance computed with spot in 530 ms :[(OR (NOT p3) (NOT p4)), (NOT p4), (AND (NOT p0) (NOT p3)), (NOT p3), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p2) (NOT p3))), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p0) p1 (NOT p3))), true, (NOT p1), (NOT p2), (AND p0 (NOT p3)), (OR (AND p0 (NOT p1) (NOT p3)) (AND p0 (NOT p2) (NOT p3))), (OR (AND p2 (NOT p3)) (AND p1 (NOT p3)) (AND p0 (NOT p3)))]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 90 ms.
Product exploration explored 100000 steps with 50000 reset in 98 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p4 (NOT p2) (NOT p1) (NOT p0) (NOT p3)), (X p2), (X p3), (X (NOT (AND (NOT p0) (NOT p3)))), (X (NOT (AND p1 (NOT p0) (NOT p3)))), (X (NOT (AND (NOT p2) p1 (NOT p3)))), (X (NOT (OR (AND p2 (NOT p0) (NOT p3)) (AND p1 (NOT p0) (NOT p3))))), (X (NOT (AND (NOT p1) (NOT p0) (NOT p3)))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3)))), (X (NOT (OR (AND p2 (NOT p3)) (AND p1 (NOT p3))))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p3)))), (X (NOT (AND (NOT p2) p1 (NOT p0) (NOT p3)))), (X (NOT p4)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT (AND p1 (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p2) p1 p0 (NOT p3))))), (X (X (NOT (AND (NOT p2) p1 (NOT p3))))), (X (X (NOT (AND p1 p0 (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p2) p1 (NOT p0) (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT p3))), (X (X (AND (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (OR (AND p2 (NOT p0) (NOT p3)) (AND p1 (NOT p0) (NOT p3))))), (X (X (NOT (OR (AND p2 (NOT p0) (NOT p3)) (AND p1 (NOT p0) (NOT p3)))))), (X (X (AND (NOT p1) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p3))))), (X (X (OR (AND p2 (NOT p3)) (AND p1 (NOT p3))))), (X (X (NOT (OR (AND p2 (NOT p3)) (AND p1 (NOT p3)))))), (X (X (NOT p4))), (X (X p4))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 27 factoid took 21 ms. Reduced automaton from 12 states, 30 edges and 5 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutoFlight-PT-02a-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutoFlight-PT-02a-LTLFireability-04 finished in 901 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(F(p0))&&(X(G(p1))||G(p2)))))'
Support contains 4 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 45/45 (removed 0) transitions.
// Phase 1: matrix 45 rows 55 cols
[2025-05-30 16:19:23] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:23] [INFO ] Implicit Places using invariants in 66 ms returned [7, 14, 19, 31, 54]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 67 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/55 places, 45/45 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 49 transition count 44
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 49 transition count 44
Applied a total of 2 rules in 2 ms. Remains 49 /50 variables (removed 1) and now considering 44/45 (removed 1) transitions.
// Phase 1: matrix 44 rows 49 cols
[2025-05-30 16:19:23] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:23] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-05-30 16:19:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:24] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 49/55 places, 44/45 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 161 ms. Remains : 49/55 places, 44/45 transitions.
Stuttering acceptance computed with spot in 240 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-05
Entered a terminal (fully accepting) state of product in 29193 steps with 1997 reset in 28 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02a-LTLFireability-05 finished in 444 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(((p0 U X(p1))&&((p2 U G(p0))||X(p0))))))'
Support contains 4 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 55 /55 variables (removed 0) and now considering 45/45 (removed 0) transitions.
// Phase 1: matrix 45 rows 55 cols
[2025-05-30 16:19:24] [INFO ] Computed 14 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:24] [INFO ] Implicit Places using invariants in 51 ms returned [7, 19, 31, 41, 47, 54]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 53 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 49/55 places, 45/45 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 46 transition count 42
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 46 transition count 42
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 45 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 45 transition count 41
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 44 transition count 40
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 44 transition count 40
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 43 transition count 39
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 43 transition count 39
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 42 transition count 38
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 42 transition count 38
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 41 transition count 37
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 41 transition count 37
Applied a total of 16 rules in 5 ms. Remains 41 /49 variables (removed 8) and now considering 37/45 (removed 8) transitions.
// Phase 1: matrix 37 rows 41 cols
[2025-05-30 16:19:24] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:24] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-05-30 16:19:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:24] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 16:19:24] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 41/55 places, 37/45 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 122 ms. Remains : 41/55 places, 37/45 transitions.
Stuttering acceptance computed with spot in 360 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p0), (NOT p1), true, (NOT p0), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-06
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02a-LTLFireability-06 finished in 508 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!(G(p0) U X(G((X(p2)&&p1))))&&!(p2 U p3))))'
Support contains 6 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Applied a total of 0 rules in 4 ms. Remains 55 /55 variables (removed 0) and now considering 45/45 (removed 0) transitions.
// Phase 1: matrix 45 rows 55 cols
[2025-05-30 16:19:24] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:24] [INFO ] Implicit Places using invariants in 54 ms returned [7, 19, 31, 41, 47]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 55 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/55 places, 45/45 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 48 transition count 43
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 48 transition count 43
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 47 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 47 transition count 42
Applied a total of 6 rules in 2 ms. Remains 47 /50 variables (removed 3) and now considering 42/45 (removed 3) transitions.
// Phase 1: matrix 42 rows 47 cols
[2025-05-30 16:19:24] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:24] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-05-30 16:19:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:24] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 16:19:24] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 47/55 places, 42/45 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 132 ms. Remains : 47/55 places, 42/45 transitions.
Stuttering acceptance computed with spot in 364 ms :[(OR p3 (AND p1 p2)), (OR p3 (AND p1 p2)), true, (AND p1 p2), p3, (AND p0 p1 p2), (AND p2 p1), (AND p0 p1 p2), (AND p2 p0 p1)]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-07
Product exploration explored 100000 steps with 20579 reset in 125 ms.
Product exploration explored 100000 steps with 20506 reset in 141 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), (X p2), (X (NOT p3)), (X (NOT (AND p0 (NOT p3)))), (X (AND p2 (NOT p3))), (X (NOT p0)), (X (X (NOT p3))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p2 (NOT p3)))), (X (X (NOT (AND p2 (NOT p3)))))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 9 factoid took 196 ms. Reduced automaton from 9 states, 14 edges and 4 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 176 ms :[true, p3, p3, p3]
RANDOM walk for 32379 steps (1278 resets) in 52 ms. (610 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), (X p2), (X (NOT p3)), (X (NOT (AND p0 (NOT p3)))), (X (AND p2 (NOT p3))), (X (NOT p0)), (X (X (NOT p3))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p2 (NOT p3)))), (X (X (NOT (AND p2 (NOT p3))))), (F (NOT (AND (NOT p3) (NOT p2)))), (F p2), (F (NOT (OR p3 (NOT p2)))), (F p3)]
Knowledge based reduction with 9 factoid took 296 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 128 ms :[true, p3, p3, p3]
Stuttering acceptance computed with spot in 113 ms :[true, p3, p3, p3]
Support contains 3 out of 47 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 : 47/47 places, 42/42 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 47 transition count 37
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 42 transition count 37
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 10 place count 42 transition count 31
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 22 place count 36 transition count 31
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 28 place count 33 transition count 28
Applied a total of 28 rules in 8 ms. Remains 33 /47 variables (removed 14) and now considering 28/42 (removed 14) transitions.
// Phase 1: matrix 28 rows 33 cols
[2025-05-30 16:19:26] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:26] [INFO ] Implicit Places using invariants in 26 ms returned [12, 13]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 27 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 31/47 places, 28/42 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 31 transition count 26
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 29 transition count 26
Applied a total of 4 rules in 2 ms. Remains 29 /31 variables (removed 2) and now considering 26/28 (removed 2) transitions.
// Phase 1: matrix 26 rows 29 cols
[2025-05-30 16:19:26] [INFO ] Computed 7 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:26] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-05-30 16:19:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:26] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-30 16:19:26] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 29/47 places, 26/42 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 89 ms. Remains : 29/47 places, 26/42 transitions.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p3) (NOT p2)), (X p2), (X (NOT p3)), (X (AND (NOT p3) p2)), (X (NOT (AND (NOT p3) (NOT p2)))), (X (X (NOT p3)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p3) p2))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT (AND (NOT p3) (NOT p2)))))]
Knowledge based reduction with 6 factoid took 246 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 136 ms :[true, p3, p3, p3]
RANDOM walk for 4018 steps (248 resets) in 10 ms. (365 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p3) (NOT p2)), (X p2), (X (NOT p3)), (X (AND (NOT p3) p2)), (X (NOT (AND (NOT p3) (NOT p2)))), (X (X (NOT p3)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p3) p2))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (F (NOT (AND (NOT p2) (NOT p3)))), (F p2), (F (NOT (OR (NOT p2) p3))), (F p3)]
Knowledge based reduction with 6 factoid took 378 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 131 ms :[true, p3, p3, p3]
Stuttering acceptance computed with spot in 114 ms :[true, p3, p3, p3]
Stuttering acceptance computed with spot in 135 ms :[true, p3, p3, p3]
Product exploration explored 100000 steps with 18323 reset in 85 ms.
Product exploration explored 100000 steps with 18427 reset in 88 ms.
Built C files in :
/tmp/ltsmin16347838615759979776
[2025-05-30 16:19:28] [INFO ] Computing symmetric may disable matrix : 26 transitions.
[2025-05-30 16:19:28] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 16:19:28] [INFO ] Computing symmetric may enable matrix : 26 transitions.
[2025-05-30 16:19:28] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 16:19:28] [INFO ] Computing Do-Not-Accords matrix : 26 transitions.
[2025-05-30 16:19:28] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 16:19:28] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16347838615759979776
Running compilation step : cd /tmp/ltsmin16347838615759979776;'/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 87 ms.
Running link step : cd /tmp/ltsmin16347838615759979776;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 29 ms.
Running LTSmin : cd /tmp/ltsmin16347838615759979776;'/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/stateBased12738519973757393782.hoa' '--buchi-type=spotba'
LTSmin run took 105 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-07 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property AutoFlight-PT-02a-LTLFireability-07 finished in 3452 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 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 3 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 15 rules applied. Total rules applied 15 place count 51 transition count 32
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 27 place count 39 transition count 32
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 27 place count 39 transition count 26
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 41 place count 31 transition count 26
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 41 place count 31 transition count 24
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 45 place count 29 transition count 24
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 51 place count 26 transition count 21
Applied a total of 51 rules in 3 ms. Remains 26 /55 variables (removed 29) and now considering 21/45 (removed 24) transitions.
// Phase 1: matrix 21 rows 26 cols
[2025-05-30 16:19:28] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:28] [INFO ] Implicit Places using invariants in 31 ms returned [12, 16, 20, 25]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 31 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 22/55 places, 21/45 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 19 transition count 18
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 19 transition count 18
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 8 place count 18 transition count 17
Applied a total of 8 rules in 2 ms. Remains 18 /22 variables (removed 4) and now considering 17/21 (removed 4) transitions.
// Phase 1: matrix 17 rows 18 cols
[2025-05-30 16:19:28] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:28] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-05-30 16:19:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:28] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/55 places, 17/45 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 89 ms. Remains : 18/55 places, 17/45 transitions.
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-10
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02a-LTLFireability-10 finished in 172 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(((p0 U p1)||X(X(p2))) U (X(p0)&&p3)))'
Support contains 6 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 55 /55 variables (removed 0) and now considering 45/45 (removed 0) transitions.
// Phase 1: matrix 45 rows 55 cols
[2025-05-30 16:19:28] [INFO ] Computed 14 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:28] [INFO ] Implicit Places using invariants in 56 ms returned [7, 19, 31, 41, 47, 54]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 58 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 49/55 places, 45/45 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 46 transition count 42
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 46 transition count 42
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 45 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 45 transition count 41
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 44 transition count 40
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 44 transition count 40
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 43 transition count 39
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 43 transition count 39
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 42 transition count 38
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 42 transition count 38
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 41 transition count 37
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 41 transition count 37
Applied a total of 16 rules in 3 ms. Remains 41 /49 variables (removed 8) and now considering 37/45 (removed 8) transitions.
// Phase 1: matrix 37 rows 41 cols
[2025-05-30 16:19:28] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:28] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-05-30 16:19:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:28] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 16:19:28] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 41/55 places, 37/45 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 130 ms. Remains : 41/55 places, 37/45 transitions.
Stuttering acceptance computed with spot in 486 ms :[(AND p0 p3), p0, (AND p0 p2 p3), (AND p0 p1 p3), true, (AND p0 p2 p3), (AND p0 p2), (AND p0 p2 p3), (AND p1 p3 p0 p2), (AND p1 p0), p1]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-11
Product exploration explored 100000 steps with 33333 reset in 87 ms.
Product exploration explored 100000 steps with 33333 reset in 96 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p3) (NOT p0) (NOT p2)), (X (NOT p3)), (X (NOT (AND p0 (NOT p1) p3))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X p1), (X (NOT (AND p1 p3))), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1) p3)))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p1) p3 p2)))), (X (X (NOT (AND p3 p2)))), (X (X (NOT (AND p1 p2)))), (X (X (NOT (AND p1 p3 p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT (AND p1 p3))))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 21 factoid took 132 ms. Reduced automaton from 11 states, 31 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutoFlight-PT-02a-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutoFlight-PT-02a-LTLFireability-11 finished in 957 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((G(!p1)||p0))))'
Support contains 3 out of 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 55 transition count 41
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 51 transition count 41
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 8 place count 51 transition count 36
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 18 place count 46 transition count 36
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 24 place count 43 transition count 33
Applied a total of 24 rules in 10 ms. Remains 43 /55 variables (removed 12) and now considering 33/45 (removed 12) transitions.
// Phase 1: matrix 33 rows 43 cols
[2025-05-30 16:19:29] [INFO ] Computed 14 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:29] [INFO ] Implicit Places using invariants in 53 ms returned [6, 11, 12, 13, 22, 30, 35, 42]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 55 ms to find 8 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 35/55 places, 33/45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 35 transition count 24
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 18 place count 26 transition count 24
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 18 place count 26 transition count 23
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 20 place count 25 transition count 23
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 23 place count 22 transition count 20
Iterating global reduction 2 with 3 rules applied. Total rules applied 26 place count 22 transition count 20
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 28 place count 21 transition count 19
Applied a total of 28 rules in 2 ms. Remains 21 /35 variables (removed 14) and now considering 19/33 (removed 14) transitions.
// Phase 1: matrix 19 rows 21 cols
[2025-05-30 16:19:29] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:29] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-05-30 16:19:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:29] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 16:19:29] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/55 places, 19/45 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 117 ms. Remains : 21/55 places, 19/45 transitions.
Stuttering acceptance computed with spot in 65 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0))]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-12
Product exploration explored 100000 steps with 7736 reset in 79 ms.
Product exploration explored 100000 steps with 7696 reset in 73 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0)))))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 6 factoid took 262 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
RANDOM walk for 203 steps (15 resets) in 5 ms. (33 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0)))))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p0 p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 344 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 63 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Support contains 3 out of 21 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 21/21 places, 19/19 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 19/19 (removed 0) transitions.
[2025-05-30 16:19:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:30] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-05-30 16:19:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:30] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 16:19:30] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 16:19:30] [INFO ] Redundant transitions in 0 ms returned []
Running 18 sub problems to find dead transitions.
[2025-05-30 16:19:30] [INFO ] Invariant cache hit.
[2025-05-30 16:19:30] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 1/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 19/40 variables, 21/27 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (OVERLAPS) 0/40 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 31 constraints, problems are : Problem set: 0 solved, 18 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 21/21 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 1/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 19/40 variables, 21/27 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 18/49 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 0/40 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 49 constraints, problems are : Problem set: 0 solved, 18 unsolved in 216 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 21/21 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 415ms problems are : Problem set: 0 solved, 18 unsolved
Search for dead transitions found 0 dead transitions in 417ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 484 ms. Remains : 21/21 places, 19/19 transitions.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 6 factoid took 254 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
RANDOM walk for 215 steps (18 resets) in 4 ms. (43 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p0 p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 360 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 84 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 59 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 84 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Product exploration explored 100000 steps with 7719 reset in 73 ms.
Product exploration explored 100000 steps with 7787 reset in 77 ms.
Built C files in :
/tmp/ltsmin3795368058424304440
[2025-05-30 16:19:32] [INFO ] Computing symmetric may disable matrix : 19 transitions.
[2025-05-30 16:19:32] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 16:19:32] [INFO ] Computing symmetric may enable matrix : 19 transitions.
[2025-05-30 16:19:32] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 16:19:32] [INFO ] Computing Do-Not-Accords matrix : 19 transitions.
[2025-05-30 16:19:32] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 16:19:32] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3795368058424304440
Running compilation step : cd /tmp/ltsmin3795368058424304440;'/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 90 ms.
Running link step : cd /tmp/ltsmin3795368058424304440;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin3795368058424304440;'/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/stateBased3982316802225664029.hoa' '--buchi-type=spotba'
LTSmin run took 144 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-12 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property AutoFlight-PT-02a-LTLFireability-12 finished in 3087 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 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 55 transition count 41
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 51 transition count 41
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 8 place count 51 transition count 36
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 18 place count 46 transition count 36
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 24 place count 43 transition count 33
Applied a total of 24 rules in 5 ms. Remains 43 /55 variables (removed 12) and now considering 33/45 (removed 12) transitions.
// Phase 1: matrix 33 rows 43 cols
[2025-05-30 16:19:32] [INFO ] Computed 14 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:32] [INFO ] Implicit Places using invariants in 54 ms returned [6, 11, 12, 13, 14, 22, 30, 35, 42]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 68 ms to find 9 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 34/55 places, 33/45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 34 transition count 22
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 22 place count 23 transition count 22
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 25 place count 20 transition count 19
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 20 transition count 19
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 19 transition count 18
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
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 32 place count 18 transition count 29
Applied a total of 32 rules in 2 ms. Remains 18 /34 variables (removed 16) and now considering 29/33 (removed 4) transitions.
// Phase 1: matrix 29 rows 18 cols
[2025-05-30 16:19:32] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:32] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-05-30 16:19:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:32] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-30 16:19:32] [INFO ] Implicit Places using invariants and state equation in 28 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 : 18/55 places, 29/45 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 147 ms. Remains : 18/55 places, 29/45 transitions.
Stuttering acceptance computed with spot in 27 ms :[p0]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-13
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02a-LTLFireability-13 finished in 183 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 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 55 transition count 41
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 51 transition count 41
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 8 place count 51 transition count 36
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 18 place count 46 transition count 36
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 24 place count 43 transition count 33
Applied a total of 24 rules in 4 ms. Remains 43 /55 variables (removed 12) and now considering 33/45 (removed 12) transitions.
// Phase 1: matrix 33 rows 43 cols
[2025-05-30 16:19:32] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:32] [INFO ] Implicit Places using invariants in 54 ms returned [5, 11, 12, 13, 14, 22, 30, 35, 42]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 55 ms to find 9 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 34/55 places, 33/45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 34 transition count 22
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 22 place count 23 transition count 22
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 25 place count 20 transition count 19
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 20 transition count 19
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 19 transition count 18
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
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 32 place count 18 transition count 29
Applied a total of 32 rules in 4 ms. Remains 18 /34 variables (removed 16) and now considering 29/33 (removed 4) transitions.
// Phase 1: matrix 29 rows 18 cols
[2025-05-30 16:19:32] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:32] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-05-30 16:19:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:32] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-30 16:19:32] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/55 places, 29/45 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 128 ms. Remains : 18/55 places, 29/45 transitions.
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-14
Product exploration explored 100000 steps with 8813 reset in 72 ms.
Stack based approach found an accepted trace after 14 steps with 1 reset with depth 8 and stack size 8 in 1 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property AutoFlight-PT-02a-LTLFireability-14 finished in 234 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 U X(p1)))))'
Support contains 2 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 55 /55 variables (removed 0) and now considering 45/45 (removed 0) transitions.
// Phase 1: matrix 45 rows 55 cols
[2025-05-30 16:19:32] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:32] [INFO ] Implicit Places using invariants in 53 ms returned [7, 14, 19, 31, 41, 47, 54]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 54 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 48/55 places, 45/45 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 45 transition count 42
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 45 transition count 42
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 44 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 44 transition count 41
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 43 transition count 40
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 43 transition count 40
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 42 transition count 39
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 42 transition count 39
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 41 transition count 38
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 41 transition count 38
Applied a total of 14 rules in 2 ms. Remains 41 /48 variables (removed 7) and now considering 38/45 (removed 7) transitions.
// Phase 1: matrix 38 rows 41 cols
[2025-05-30 16:19:32] [INFO ] Computed 7 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:32] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-05-30 16:19:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:19:33] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 41/55 places, 38/45 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 137 ms. Remains : 41/55 places, 38/45 transitions.
Stuttering acceptance computed with spot in 84 ms :[(NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : AutoFlight-PT-02a-LTLFireability-15
Stuttering criterion allowed to conclude after 45 steps with 2 reset in 0 ms.
FORMULA AutoFlight-PT-02a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02a-LTLFireability-15 finished in 241 ms.
All properties solved by simple procedures.
Total runtime 27172 ms.

BK_STOP 1748621973183

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="AutoFlight-PT-02a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is AutoFlight-PT-02a, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r002-tall-174853729300460"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-02a.tgz
mv AutoFlight-PT-02a execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;